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a10a2c40-2c4d-49f8-b557-1a946bc55d9d
Uncommon File Created In Office Startup Folder
Detects the creation of a file with an uncommon extension in an Office application startup folder
windows
file_event
title: Uncommon File Created In Office Startup Folder id: a10a2c40-2c4d-49f8-b557-1a946bc55d9d status: test description: Detects the creation of a file with an uncommon extension in an Office application startup folder references: - https://app.any.run/tasks/d6fe6624-6ef8-485d-aa75-3d1bdda2a08c/ - http://addbalance.com...
[ "T1587.001" ]
[ "resource-development" ]
high
test
[ "False positive might stem from rare extensions used by other Office utilities." ]
[ "https://app.any.run/tasks/d6fe6624-6ef8-485d-aa75-3d1bdda2a08c/", "http://addbalance.com/word/startup.htm", "https://answers.microsoft.com/en-us/msoffice/forum/all/document-in-word-startup-folder-doesnt-open-when/44ab0932-2917-4150-8cdc-2f2cf39e86f3", "https://en.wikipedia.org/wiki/List_of_Microsoft_Office_f...
(TargetFilename="*\\Microsoft\\Word\\STARTUP*" OR (TargetFilename="*\\Office*" TargetFilename="*\\Program Files*" TargetFilename="*\\STARTUP*") NOT (TargetFilename IN ("*.docb", "*.docm", "*.docx", "*.dotm", "*.mdb", "*.mdw", "*.pdf", "*.wll", "*.wwl"))) OR (TargetFilename="*\\Microsoft\\Excel\\XLSTART*" OR (TargetFile...
(((TargetFilename:*\\Microsoft\\Word\\STARTUP* OR (TargetFilename:*\\Office* AND TargetFilename:*\\Program\ Files* AND TargetFilename:*\\STARTUP*)) AND (NOT (TargetFilename:(*.docb OR *.docm OR *.docx OR *.dotm OR *.mdb OR *.mdw OR *.pdf OR *.wll OR *.wwl)))) OR ((TargetFilename:*\\Microsoft\\Excel\\XLSTART* OR (Target...
DeviceFileEvents | where (((FolderPath contains "\\Microsoft\\Word\\STARTUP" or (FolderPath contains "\\Office" and FolderPath contains "\\Program Files" and FolderPath contains "\\STARTUP")) and (not((FolderPath endswith ".docb" or FolderPath endswith ".docm" or FolderPath endswith ".docx" or FolderPath endswith ".dot...
windows/file/file_event/file_event_win_office_uncommon_file_startup.yml
c72aca44-8d52-45ad-8f81-f96c4d3c755e
Invoke-Obfuscation Via Stdin - PowerShell Module
Detects Obfuscated Powershell via Stdin in Scripts
windows
ps_module
title: Invoke-Obfuscation Via Stdin - PowerShell Module id: c72aca44-8d52-45ad-8f81-f96c4d3c755e related: - id: 86b896ba-ffa1-4fea-83e3-ee28a4c915c7 type: derived status: test description: Detects Obfuscated Powershell via Stdin in Scripts references: - https://github.com/SigmaHQ/sigma/issues/1009 author: Nikita Naza...
[ "T1027", "T1059.001" ]
[ "stealth", "execution" ]
high
test
[ "Unknown" ]
[ "https://github.com/SigmaHQ/sigma/issues/1009" ]
* | regex Payload="(?i)(set).*&&\\s?set.*(environment|invoke|\\$?\\{?input).*&&.*\""
Payload:/(?i)(set).*&&\s?set.*(environment|invoke|\$?\{?input).*&&.*"/
null
windows/powershell/powershell_module/posh_pm_invoke_obfuscation_via_stdin.yml
bae2865c-5565-470d-b505-9496c87d0c30
SMB Spoolss Name Piped Usage
Detects the use of the spoolss named pipe over SMB. This can be used to trigger the authentication via NTLM of any machine that has the spoolservice enabled.
zeek
smb_files
title: SMB Spoolss Name Piped Usage id: bae2865c-5565-470d-b505-9496c87d0c30 status: test description: Detects the use of the spoolss named pipe over SMB. This can be used to trigger the authentication via NTLM of any machine that has the spoolservice enabled. references: - https://posts.specterops.io/hunting-in-acti...
[ "T1021.002" ]
[ "lateral-movement" ]
medium
test
[ "Domain Controllers that are sometimes, commonly although should not be, acting as printer servers too" ]
[ "https://posts.specterops.io/hunting-in-active-directory-unconstrained-delegation-forests-trusts-71f2b33688e1", "https://dirkjanm.io/a-different-way-of-abusing-zerologon/", "https://twitter.com/_dirkjan/status/1309214379003588608" ]
path="*IPC$" name="spoolss"
path:*IPC$ AND name:spoolss
null
network/zeek/zeek_dce_rpc_smb_spoolss_named_pipe.yml
42c575ea-e41e-41f1-b248-8093c3e82a28
PsExec Service Installation
Detects PsExec service installation and execution events
windows
system
title: PsExec Service Installation id: 42c575ea-e41e-41f1-b248-8093c3e82a28 status: test description: Detects PsExec service installation and execution events references: - https://www.jpcert.or.jp/english/pub/sr/ir_research.html - https://jpcertcc.github.io/ToolAnalysisResultSheet author: Thomas Patzke date: 2017-06-1...
[ "T1569.002" ]
[ "execution" ]
medium
test
[ "Unknown" ]
[ "https://www.jpcert.or.jp/english/pub/sr/ir_research.html", "https://jpcertcc.github.io/ToolAnalysisResultSheet" ]
Provider_Name="Service Control Manager" EventID=7045 ServiceName="PSEXESVC" OR ImagePath="*\\PSEXESVC.exe"
(Provider_Name:"Service Control Manager" AND EventID:7045) AND (ServiceName:PSEXESVC OR ImagePath:*\\PSEXESVC.exe)
null
windows/builtin/system/service_control_manager/win_system_service_install_sysinternals_psexec.yml
9bd012ee-0dff-44d7-84a0-aa698cfd87a3
LSASS Memory Access by Tool With Dump Keyword In Name
Detects LSASS process access requests from a source process with the "dump" keyword in its image name.
windows
process_access
title: LSASS Memory Access by Tool With Dump Keyword In Name id: 9bd012ee-0dff-44d7-84a0-aa698cfd87a3 status: test description: Detects LSASS process access requests from a source process with the "dump" keyword in its image name. references: - https://twitter.com/_xpn_/status/1491557187168178176 - https://www.ired.tea...
[ "T1003.001" ]
[ "credential-access" ]
high
test
[ "Rare programs that contain the word dump in their name and access lsass" ]
[ "https://twitter.com/_xpn_/status/1491557187168178176", "https://www.ired.team/offensive-security/credential-access-and-credential-dumping/dump-credentials-from-lsass-process-without-mimikatz" ]
TargetImage="*\\lsass.exe" SourceImage="*dump*" GrantedAccess IN ("*10", "*30", "*50", "*70", "*90", "*B0", "*D0", "*F0", "*18", "*38", "*58", "*78", "*98", "*B8", "*D8", "*F8", "*1A", "*3A", "*5A", "*7A", "*9A", "*BA", "*DA", "*FA", "*0x14C2", "*FF")
TargetImage:*\\lsass.exe AND SourceImage:*dump* AND (GrantedAccess:(*10 OR *30 OR *50 OR *70 OR *90 OR *B0 OR *D0 OR *F0 OR *18 OR *38 OR *58 OR *78 OR *98 OR *B8 OR *D8 OR *F8 OR *1A OR *3A OR *5A OR *7A OR *9A OR *BA OR *DA OR *FA OR *0x14C2 OR *FF))
null
windows/process_access/proc_access_win_lsass_dump_keyword_image.yml
ccd6a6c8-bb4e-4a91-9d2a-07e632819374
AWS SAML Provider Deletion Activity
Detects the deletion of an AWS SAML provider, potentially indicating malicious intent to disrupt administrative or security team access. An attacker can remove the SAML provider for the information security team or a team of system administrators, to make it difficult for them to work and investigate at the time of the...
aws
cloudtrail
title: AWS SAML Provider Deletion Activity id: ccd6a6c8-bb4e-4a91-9d2a-07e632819374 status: experimental description: 'Detects the deletion of an AWS SAML provider, potentially indicating malicious intent to disrupt administrative or security team access. An attacker can remove the SAML provider for the informatio...
[ "T1078.004", "T1531" ]
[ "stealth", "privilege-escalation", "initial-access", "persistence", "impact" ]
medium
experimental
[ "Automated processes using tools like Terraform may trigger this alert.", "Legitimate administrative actions by authorized system administrators could cause this alert. Verify the user identity, user agent, and hostname to ensure they are expected.", "Deletions by unfamiliar users should be investigated. If the...
[ "https://docs.aws.amazon.com/IAM/latest/APIReference/API_DeleteSAMLProvider.html" ]
eventSource="iam.amazonaws.com" eventName="DeleteSAMLProvider" status="success"
eventSource:iam.amazonaws.com AND eventName:DeleteSAMLProvider AND status:success
null
cloud/aws/cloudtrail/aws_delete_saml_provider.yml
1a31b18a-f00c-4061-9900-f735b96c99fc
Remote Access Tool Services Have Been Installed - System
Detects service installation of different remote access tools software. These software are often abused by threat actors to perform
windows
system
title: Remote Access Tool Services Have Been Installed - System id: 1a31b18a-f00c-4061-9900-f735b96c99fc related: - id: c8b00925-926c-47e3-beea-298fd563728e type: similar status: test description: Detects service installation of different remote access tools software. These software are often abused by threat actor...
[ "T1543.003", "T1569.002" ]
[ "privilege-escalation", "persistence", "execution" ]
medium
test
[ "Unknown" ]
[ "https://redcanary.com/blog/misbehaving-rats/" ]
Provider_Name="Service Control Manager" EventID IN (7045, 7036) ServiceName IN ("*AmmyyAdmin*", "*Atera*", "*BASupportExpressSrvcUpdater*", "*BASupportExpressStandaloneService*", "*chromoting*", "*GoToAssist*", "*GoToMyPC*", "*jumpcloud*", "*LMIGuardianSvc*", "*LogMeIn*", "*monblanking*", "*Parsec*", "*RManService*", "...
Provider_Name:"Service Control Manager" AND (EventID:(7045 OR 7036)) AND (ServiceName:(*AmmyyAdmin* OR *Atera* OR *BASupportExpressSrvcUpdater* OR *BASupportExpressStandaloneService* OR *chromoting* OR *GoToAssist* OR *GoToMyPC* OR *jumpcloud* OR *LMIGuardianSvc* OR *LogMeIn* OR *monblanking* OR *Parsec* OR *RManServic...
null
windows/builtin/system/service_control_manager/win_system_service_install_remote_access_software.yml
092bc4b9-3d1d-43b4-a6b4-8c8acd83522f
PowerShell Core DLL Loaded By Non PowerShell Process
Detects loading of essential DLLs used by PowerShell by non-PowerShell process. Detects behavior similar to meterpreter's "load powershell" extension.
windows
image_load
title: PowerShell Core DLL Loaded By Non PowerShell Process id: 092bc4b9-3d1d-43b4-a6b4-8c8acd83522f related: - id: 867613fb-fa60-4497-a017-a82df74a172c type: obsolete - id: fe6e002f-f244-4278-9263-20e4b593827f type: obsolete status: test description: 'Detects loading of essential DLLs used by PowerShell by non-Pow...
[ "T1059.001" ]
[ "execution" ]
medium
test
[ "Used by some .NET binaries, minimal on user workstation.", "Used by Microsoft SQL Server Management Studio" ]
[ "https://adsecurity.org/?p=2921", "https://github.com/p3nt4/PowerShdll" ]
Description="System.Management.Automation" OR OriginalFileName="System.Management.Automation.dll" OR ImageLoaded IN ("*\\System.Management.Automation.dll", "*\\System.Management.Automation.ni.dll") NOT (Image IN ("C:\\Program Files\\PowerShell\\7-preview\\pwsh.exe", "C:\\Program Files\\PowerShell\\7\\pwsh.exe", "C:\\Wi...
(Description:System.Management.Automation OR OriginalFileName:System.Management.Automation.dll OR (ImageLoaded:(*\\System.Management.Automation.dll OR *\\System.Management.Automation.ni.dll))) AND (NOT ((Image:("C\:\\Program Files\\PowerShell\\7\-preview\\pwsh.exe" OR "C\:\\Program Files\\PowerShell\\7\\pwsh.exe" OR C\...
DeviceImageLoadEvents | where (InitiatingProcessVersionInfoFileDescription =~ "System.Management.Automation" or InitiatingProcessVersionInfoOriginalFileName =~ "System.Management.Automation.dll" or (FolderPath endswith "\\System.Management.Automation.dll" or FolderPath endswith "\\System.Management.Automation.ni.dll"))...
windows/image_load/image_load_dll_system_management_automation_susp_load.yml
b7bc7038-638b-4ffd-880c-292c692209ef
Certificate Request Export to Exchange Webserver
Detects a write of an Exchange CSR to an untypical directory or with aspx name suffix which can be used to place a webshell
windows
msexchange-management
title: Certificate Request Export to Exchange Webserver id: b7bc7038-638b-4ffd-880c-292c692209ef status: test description: Detects a write of an Exchange CSR to an untypical directory or with aspx name suffix which can be used to place a webshell references: - https://twitter.com/GossiTheDog/status/142917590890512793...
[ "T1505.003" ]
[ "persistence" ]
critical
test
[ "Unlikely" ]
[ "https://twitter.com/GossiTheDog/status/1429175908905127938" ]
"New-ExchangeCertificate" " -GenerateRequest" " -BinaryEncoded" " -RequestFile" "\\\\localhost\\C$" OR "\\\\127.0.0.1\\C$" OR "C:\\inetpub" OR ".aspx"
(*New\-ExchangeCertificate* AND *\ \-GenerateRequest* AND *\ \-BinaryEncoded* AND *\ \-RequestFile*) AND (*\\\\localhost\\C$* OR *\\\\127.0.0.1\\C$* OR *C\:\\inetpub* OR *.aspx*)
null
windows/builtin/msexchange/win_exchange_proxyshell_certificate_generation.yml
811f459f-9231-45d4-959a-0266c6311987
Suspicious Child Process Of BgInfo.EXE
Detects suspicious child processes of "BgInfo.exe" which could be a sign of potential abuse of the binary to proxy execution via external VBScript
windows
process_creation
title: Suspicious Child Process Of BgInfo.EXE id: 811f459f-9231-45d4-959a-0266c6311987 related: - id: aaf46cdc-934e-4284-b329-34aa701e3771 type: similar status: test description: Detects suspicious child processes of "BgInfo.exe" which could be a sign of potential abuse of the binary to proxy execution via external...
[ "T1059.005", "T1218", "T1202" ]
[ "execution", "stealth" ]
high
test
[ "Unknown" ]
[ "https://lolbas-project.github.io/lolbas/OtherMSBinaries/Bginfo/", "https://oddvar.moe/2017/05/18/bypassing-application-whitelisting-with-bginfo/" ]
ParentImage IN ("*\\bginfo.exe", "*\\bginfo64.exe") Image IN ("*\\calc.exe", "*\\cmd.exe", "*\\cscript.exe", "*\\mshta.exe", "*\\notepad.exe", "*\\powershell.exe", "*\\pwsh.exe", "*\\wscript.exe") OR Image IN ("*\\AppData\\Local\\*", "*\\AppData\\Roaming\\*", "*:\\Users\\Public\\*", "*:\\Temp\\*", "*:\\Windows\\Temp\\*...
(ParentImage:(*\\bginfo.exe OR *\\bginfo64.exe)) AND ((Image:(*\\calc.exe OR *\\cmd.exe OR *\\cscript.exe OR *\\mshta.exe OR *\\notepad.exe OR *\\powershell.exe OR *\\pwsh.exe OR *\\wscript.exe)) OR (Image:(*\\AppData\\Local\\* OR *\\AppData\\Roaming\\* OR *\:\\Users\\Public\\* OR *\:\\Temp\\* OR *\:\\Windows\\Temp\\* ...
DeviceProcessEvents | where (InitiatingProcessFolderPath endswith "\\bginfo.exe" or InitiatingProcessFolderPath endswith "\\bginfo64.exe") and ((FolderPath endswith "\\calc.exe" or FolderPath endswith "\\cmd.exe" or FolderPath endswith "\\cscript.exe" or FolderPath endswith "\\mshta.exe" or FolderPath endswith "\\notep...
windows/process_creation/proc_creation_win_bginfo_suspicious_child_process.yml
6ec86d9e-912e-4726-91a2-209359b999b9
Amsi.DLL Loaded Via LOLBIN Process
Detects loading of "Amsi.dll" by a living of the land process. This could be an indication of a "PowerShell without PowerShell" attack
windows
image_load
title: Amsi.DLL Loaded Via LOLBIN Process id: 6ec86d9e-912e-4726-91a2-209359b999b9 status: test description: Detects loading of "Amsi.dll" by a living of the land process. This could be an indication of a "PowerShell without PowerShell" attack references: - Internal Research - https://www.paloaltonetworks.com/blog/se...
[]
[ "defense-impairment" ]
medium
test
[ "Unknown" ]
[ "Internal Research", "https://www.paloaltonetworks.com/blog/security-operations/stopping-powershell-without-powershell/" ]
ImageLoaded="*\\amsi.dll" Image IN ("*\\ExtExport.exe", "*\\odbcconf.exe", "*\\rundll32.exe")
ImageLoaded:*\\amsi.dll AND (Image:(*\\ExtExport.exe OR *\\odbcconf.exe OR *\\rundll32.exe))
DeviceImageLoadEvents | where FolderPath endswith "\\amsi.dll" and (InitiatingProcessFolderPath endswith "\\ExtExport.exe" or InitiatingProcessFolderPath endswith "\\odbcconf.exe" or InitiatingProcessFolderPath endswith "\\rundll32.exe")
windows/image_load/image_load_dll_amsi_suspicious_process.yml
e9f55347-2928-4c06-88e5-1a7f8169942e
Invoke-Obfuscation VAR++ LAUNCHER OBFUSCATION
Detects Obfuscated Powershell via VAR++ LAUNCHER
windows
process_creation
title: Invoke-Obfuscation VAR++ LAUNCHER OBFUSCATION id: e9f55347-2928-4c06-88e5-1a7f8169942e status: test description: Detects Obfuscated Powershell via VAR++ LAUNCHER references: - https://github.com/SigmaHQ/sigma/issues/1009 author: Timur Zinniatullin, oscd.community date: 2020-10-13 modified: 2022-11-16 tags: - att...
[ "T1027", "T1059.001" ]
[ "stealth", "execution" ]
high
test
[ "Unknown" ]
[ "https://github.com/SigmaHQ/sigma/issues/1009" ]
CommandLine="*&&set*" CommandLine="*cmd*" CommandLine="*/c*" CommandLine="*-f*" CommandLine IN ("*{0}*", "*{1}*", "*{2}*", "*{3}*", "*{4}*", "*{5}*")
(CommandLine:*\&\&set* AND CommandLine:*cmd* AND CommandLine:*\/c* AND CommandLine:*\-f*) AND (CommandLine:(*\{0\}* OR *\{1\}* OR *\{2\}* OR *\{3\}* OR *\{4\}* OR *\{5\}*))
DeviceProcessEvents | where (ProcessCommandLine contains "&&set" and ProcessCommandLine contains "cmd" and ProcessCommandLine contains "/c" and ProcessCommandLine contains "-f") and (ProcessCommandLine contains "{0}" or ProcessCommandLine contains "{1}" or ProcessCommandLine contains "{2}" or ProcessCommandLine contain...
windows/process_creation/proc_creation_win_hktl_invoke_obfuscation_via_var.yml
a5a30a6e-75ca-4233-8b8c-42e0f2037d3b
Invoke-Obfuscation Via Use Rundll32 - PowerShell
Detects Obfuscated Powershell via use Rundll32 in Scripts
windows
ps_script
title: Invoke-Obfuscation Via Use Rundll32 - PowerShell id: a5a30a6e-75ca-4233-8b8c-42e0f2037d3b status: test description: Detects Obfuscated Powershell via use Rundll32 in Scripts references: - https://github.com/SigmaHQ/sigma/issues/1009 author: Nikita Nazarov, oscd.community date: 2019-10-08 modified: 2022-11-29 tag...
[ "T1027", "T1059.001" ]
[ "stealth", "execution" ]
high
test
[ "Unknown" ]
[ "https://github.com/SigmaHQ/sigma/issues/1009" ]
ScriptBlockText="*&&*" ScriptBlockText="*rundll32*" ScriptBlockText="*shell32.dll*" ScriptBlockText="*shellexec_rundll*" ScriptBlockText IN ("*value*", "*invoke*", "*comspec*", "*iex*")
(ScriptBlockText:*\&\&* AND ScriptBlockText:*rundll32* AND ScriptBlockText:*shell32.dll* AND ScriptBlockText:*shellexec_rundll*) AND (ScriptBlockText:(*value* OR *invoke* OR *comspec* OR *iex*))
null
windows/powershell/powershell_script/posh_ps_invoke_obfuscation_via_use_rundll32.yml
3d0ed417-3d94-4963-a562-4a92c940656a
Creation of a Diagcab
Detects the creation of diagcab file, which could be caused by some legitimate installer or is a sign of exploitation (review the filename and its location)
windows
file_event
title: Creation of a Diagcab id: 3d0ed417-3d94-4963-a562-4a92c940656a status: test description: Detects the creation of diagcab file, which could be caused by some legitimate installer or is a sign of exploitation (review the filename and its location) references: - https://threadreaderapp.com/thread/1533879688141086...
[]
[ "resource-development" ]
medium
test
[ "Legitimate microsoft diagcab" ]
[ "https://threadreaderapp.com/thread/1533879688141086720.html" ]
TargetFilename="*.diagcab"
TargetFilename:*.diagcab
DeviceFileEvents | where FolderPath endswith ".diagcab"
windows/file/file_event/file_event_win_susp_diagcab.yml
90fb5e62-ca1f-4e22-b42e-cc521874c938
Suspicious Shells Spawn by Java Utility Keytool
Detects suspicious shell spawn from Java utility keytool process (e.g. adselfservice plus exploitation)
windows
process_creation
title: Suspicious Shells Spawn by Java Utility Keytool id: 90fb5e62-ca1f-4e22-b42e-cc521874c938 status: test description: Detects suspicious shell spawn from Java utility keytool process (e.g. adselfservice plus exploitation) references: - https://redcanary.com/blog/intelligence-insights-december-2021 - https://www.syn...
[]
[ "initial-access", "persistence", "privilege-escalation" ]
high
test
[ "Unknown" ]
[ "https://redcanary.com/blog/intelligence-insights-december-2021", "https://www.synacktiv.com/en/publications/how-to-exploit-cve-2021-40539-on-manageengine-adselfservice-plus.html" ]
ParentImage="*\\keytool.exe" Image IN ("*\\cmd.exe", "*\\sh.exe", "*\\bash.exe", "*\\powershell.exe", "*\\pwsh.exe", "*\\schtasks.exe", "*\\certutil.exe", "*\\whoami.exe", "*\\bitsadmin.exe", "*\\wscript.exe", "*\\cscript.exe", "*\\scrcons.exe", "*\\regsvr32.exe", "*\\hh.exe", "*\\wmic.exe", "*\\mshta.exe", "*\\rundll3...
ParentImage:*\\keytool.exe AND (Image:(*\\cmd.exe OR *\\sh.exe OR *\\bash.exe OR *\\powershell.exe OR *\\pwsh.exe OR *\\schtasks.exe OR *\\certutil.exe OR *\\whoami.exe OR *\\bitsadmin.exe OR *\\wscript.exe OR *\\cscript.exe OR *\\scrcons.exe OR *\\regsvr32.exe OR *\\hh.exe OR *\\wmic.exe OR *\\mshta.exe OR *\\rundll32...
DeviceProcessEvents | where InitiatingProcessFolderPath endswith "\\keytool.exe" and (FolderPath endswith "\\cmd.exe" or FolderPath endswith "\\sh.exe" or FolderPath endswith "\\bash.exe" or FolderPath endswith "\\powershell.exe" or FolderPath endswith "\\pwsh.exe" or FolderPath endswith "\\schtasks.exe" or FolderPath ...
windows/process_creation/proc_creation_win_java_keytool_susp_child_process.yml
e54f5149-6ba3-49cf-b153-070d24679126
Invoke-Obfuscation VAR++ LAUNCHER OBFUSCATION - PowerShell
Detects Obfuscated Powershell via VAR++ LAUNCHER
windows
ps_script
title: Invoke-Obfuscation VAR++ LAUNCHER OBFUSCATION - PowerShell id: e54f5149-6ba3-49cf-b153-070d24679126 status: test description: Detects Obfuscated Powershell via VAR++ LAUNCHER references: - https://github.com/SigmaHQ/sigma/issues/1009 author: Timur Zinniatullin, oscd.community date: 2020-10-13 modified: 2024-04-0...
[ "T1027", "T1059.001" ]
[ "stealth", "execution" ]
high
test
[ "Unknown" ]
[ "https://github.com/SigmaHQ/sigma/issues/1009" ]
* | regex ScriptBlockText="(?i)&&set.*(\\{\\d\\}){2,}\\\\\"\\s+?-f.*&&.*cmd.*/c"
ScriptBlockText:/(?i)&&set.*(\{\d\}){2,}\\"\s+?-f.*&&.*cmd.*\/c/
null
windows/powershell/powershell_script/posh_ps_invoke_obfuscation_via_var.yml
c8da0dfd-4ed0-4b68-962d-13c9c884384e
Potential Credential Dumping Via LSASS Process Clone
Detects a suspicious LSASS process process clone that could be a sign of credential dumping activity
windows
process_creation
title: Potential Credential Dumping Via LSASS Process Clone id: c8da0dfd-4ed0-4b68-962d-13c9c884384e status: test description: Detects a suspicious LSASS process process clone that could be a sign of credential dumping activity references: - https://www.matteomalvica.com/blog/2019/12/02/win-defender-atp-cred-bypass/ - ...
[ "T1003", "T1003.001" ]
[ "credential-access" ]
critical
test
[ "Unknown" ]
[ "https://www.matteomalvica.com/blog/2019/12/02/win-defender-atp-cred-bypass/", "https://twitter.com/Hexacorn/status/1420053502554951689", "https://twitter.com/SBousseaden/status/1464566846594691073?s=20" ]
ParentImage="*\\Windows\\System32\\lsass.exe" Image="*\\Windows\\System32\\lsass.exe"
ParentImage:*\\Windows\\System32\\lsass.exe AND Image:*\\Windows\\System32\\lsass.exe
DeviceProcessEvents | where InitiatingProcessFolderPath endswith "\\Windows\\System32\\lsass.exe" and FolderPath endswith "\\Windows\\System32\\lsass.exe"
windows/process_creation/proc_creation_win_lsass_process_clone.yml
778ba9a8-45e4-4b80-8e3e-34a419f0b85e
TeamViewer Domain Query By Non-TeamViewer Application
Detects DNS queries to a TeamViewer domain only resolved by a TeamViewer client by an image that isn't named TeamViewer (sometimes used by threat actors for obfuscation)
windows
dns_query
title: TeamViewer Domain Query By Non-TeamViewer Application id: 778ba9a8-45e4-4b80-8e3e-34a419f0b85e status: test description: Detects DNS queries to a TeamViewer domain only resolved by a TeamViewer client by an image that isn't named TeamViewer (sometimes used by threat actors for obfuscation) references: - https:...
[ "T1219.002" ]
[ "command-and-control" ]
medium
test
[ "Unknown binary names of TeamViewer", "Depending on the environment the rule might require some initial tuning before usage to avoid FP with third party applications" ]
[ "https://www.teamviewer.com/en-us/" ]
QueryName IN ("taf.teamviewer.com", "udp.ping.teamviewer.com") NOT Image="*TeamViewer*"
(QueryName:(taf.teamviewer.com OR udp.ping.teamviewer.com)) AND (NOT Image:*TeamViewer*)
null
windows/dns_query/dns_query_win_teamviewer_domain_query_by_uncommon_app.yml
5498fc09-adc6-4804-b9d9-5cca1f0b8760
OpenCanary - HTTPPROXY Login Attempt
Detects instances where an HTTPPROXY service on an OpenCanary node has had an attempt to proxy another page.
opencanary
application
title: OpenCanary - HTTPPROXY Login Attempt id: 5498fc09-adc6-4804-b9d9-5cca1f0b8760 status: test description: 'Detects instances where an HTTPPROXY service on an OpenCanary node has had an attempt to proxy another page. ' references: - https://opencanary.readthedocs.io/en/latest/starting/configuration.html#services...
[ "T1090" ]
[ "initial-access", "command-and-control" ]
high
test
[ "Unlikely" ]
[ "https://opencanary.readthedocs.io/en/latest/starting/configuration.html#services-configuration", "https://github.com/thinkst/opencanary/blob/a0896adfcaf0328cfd5829fe10d2878c7445138e/opencanary/logger.py#L52" ]
logtype=7001
logtype:7001
null
application/opencanary/opencanary_httpproxy_login_attempt.yml
69ca006d-b9a9-47f5-80ff-ecd4d25d481a
HackTool - TruffleSnout Execution
Detects the use of TruffleSnout.exe an iterative AD discovery toolkit for offensive operators, situational awareness and targeted low noise enumeration.
windows
process_creation
title: HackTool - TruffleSnout Execution id: 69ca006d-b9a9-47f5-80ff-ecd4d25d481a status: test description: Detects the use of TruffleSnout.exe an iterative AD discovery toolkit for offensive operators, situational awareness and targeted low noise enumeration. references: - https://github.com/redcanaryco/atomic-red-t...
[ "T1482" ]
[ "discovery" ]
high
test
[ "Unknown" ]
[ "https://github.com/redcanaryco/atomic-red-team/blob/40b77d63808dd4f4eafb83949805636735a1fd15/atomics/T1482/T1482.md", "https://github.com/dsnezhkov/TruffleSnout", "https://github.com/dsnezhkov/TruffleSnout/blob/7c2f22e246ef704bc96c396f66fa854e9ca742b9/TruffleSnout/Docs/USAGE.md" ]
OriginalFileName="TruffleSnout.exe" OR Image="*\\TruffleSnout.exe"
OriginalFileName:TruffleSnout.exe OR Image:*\\TruffleSnout.exe
DeviceProcessEvents | where ProcessVersionInfoOriginalFileName =~ "TruffleSnout.exe" or FolderPath endswith "\\TruffleSnout.exe"
windows/process_creation/proc_creation_win_hktl_trufflesnout.yml
c74d7efc-8826-45d9-b8bb-f04fac9e4eff
Run Once Task Configuration in Registry
Rule to detect the configuration of Run Once registry key. Configured payload can be run by runonce.exe /AlternateShellStartup
windows
registry_event
title: Run Once Task Configuration in Registry id: c74d7efc-8826-45d9-b8bb-f04fac9e4eff status: test description: Rule to detect the configuration of Run Once registry key. Configured payload can be run by runonce.exe /AlternateShellStartup references: - https://twitter.com/pabraeken/status/990717080805789697 - https:/...
[ "T1112" ]
[ "persistence", "defense-impairment" ]
medium
test
[ "Legitimate modification of the registry key by legitimate program" ]
[ "https://twitter.com/pabraeken/status/990717080805789697", "https://lolbas-project.github.io/lolbas/Binaries/Runonce/" ]
TargetObject="*\\Microsoft\\Active Setup\\Installed Components*" TargetObject="*\\StubPath" NOT ((Details="*C:\\Program Files\\Google\\Chrome\\Application\\*" Details="*\\Installer\\chrmstp.exe\" --configure-user-settings --verbose-logging --system-level*") OR (Details IN ("*C:\\Program Files (x86)\\Microsoft\\Edge\\Ap...
(TargetObject:*\\Microsoft\\Active\ Setup\\Installed\ Components* AND TargetObject:*\\StubPath) AND (NOT ((Details:*C\:\\Program\ Files\\Google\\Chrome\\Application\\* AND Details:*\\Installer\\chrmstp.exe\"\ \-\-configure\-user\-settings\ \-\-verbose\-logging\ \-\-system\-level*) OR ((Details:(*C\:\\Program\ Files\ \(...
DeviceRegistryEvents | where (RegistryKey contains "\\Microsoft\\Active Setup\\Installed Components" and RegistryKey endswith "\\StubPath") and (not(((RegistryValueData contains "C:\\Program Files\\Google\\Chrome\\Application\\" and RegistryValueData contains "\\Installer\\chrmstp.exe\" --configure-user-settings --verb...
windows/registry/registry_event/registry_event_runonce_persistence.yml
1fb76ab8-fa60-4b01-bddd-71e89bf555da
Pubprn.vbs Proxy Execution
Detects the use of the 'Pubprn.vbs' Microsoft signed script to execute commands.
windows
process_creation
title: Pubprn.vbs Proxy Execution id: 1fb76ab8-fa60-4b01-bddd-71e89bf555da status: test description: Detects the use of the 'Pubprn.vbs' Microsoft signed script to execute commands. references: - https://lolbas-project.github.io/lolbas/Scripts/Pubprn/ author: frack113 date: 2022-05-28 tags: - attack.stealth - attack.t1...
[ "T1216.001" ]
[ "stealth" ]
medium
test
[ "Unknown" ]
[ "https://lolbas-project.github.io/lolbas/Scripts/Pubprn/" ]
CommandLine="*\\pubprn.vbs*" CommandLine="*script:*"
CommandLine:*\\pubprn.vbs* AND CommandLine:*script\:*
DeviceProcessEvents | where ProcessCommandLine contains "\\pubprn.vbs" and ProcessCommandLine contains "script:"
windows/process_creation/proc_creation_win_lolbin_pubprn.yml
c7d16cae-aaf3-42e5-9c1c-fb8553faa6fa
Failed MSExchange Transport Agent Installation
Detects a failed installation of a Exchange Transport Agent
windows
msexchange-management
title: Failed MSExchange Transport Agent Installation id: c7d16cae-aaf3-42e5-9c1c-fb8553faa6fa status: test description: Detects a failed installation of a Exchange Transport Agent references: - https://speakerdeck.com/heirhabarov/hunting-for-persistence-via-microsoft-exchange-server-or-outlook?slide=8 author: Tobias M...
[ "T1505.002" ]
[ "persistence" ]
high
test
[ "Legitimate installations of exchange TransportAgents. AssemblyPath is a good indicator for this." ]
[ "https://speakerdeck.com/heirhabarov/hunting-for-persistence-via-microsoft-exchange-server-or-outlook?slide=8" ]
EventID=6 Data="*Install-TransportAgent*"
EventID:6 AND Data:*Install\-TransportAgent*
null
windows/builtin/msexchange/win_exchange_transportagent_failed.yml
d13c43f0-f66b-4279-8b2c-5912077c1780
CLR DLL Loaded Via Office Applications
Detects CLR DLL being loaded by an Office Product
windows
image_load
title: CLR DLL Loaded Via Office Applications id: d13c43f0-f66b-4279-8b2c-5912077c1780 status: test description: Detects CLR DLL being loaded by an Office Product references: - https://medium.com/threatpunter/detecting-adversary-tradecraft-with-image-load-event-logging-and-eql-8de93338c16 author: Antonlovesdnb date: 20...
[ "T1204.002" ]
[ "execution" ]
medium
test
[ "Unknown" ]
[ "https://medium.com/threatpunter/detecting-adversary-tradecraft-with-image-load-event-logging-and-eql-8de93338c16" ]
Image IN ("*\\excel.exe", "*\\mspub.exe", "*\\outlook.exe", "*\\onenote.exe", "*\\onenoteim.exe", "*\\powerpnt.exe", "*\\winword.exe") ImageLoaded="*\\clr.dll*"
(Image:(*\\excel.exe OR *\\mspub.exe OR *\\outlook.exe OR *\\onenote.exe OR *\\onenoteim.exe OR *\\powerpnt.exe OR *\\winword.exe)) AND ImageLoaded:*\\clr.dll*
DeviceImageLoadEvents | where (InitiatingProcessFolderPath endswith "\\excel.exe" or InitiatingProcessFolderPath endswith "\\mspub.exe" or InitiatingProcessFolderPath endswith "\\outlook.exe" or InitiatingProcessFolderPath endswith "\\onenote.exe" or InitiatingProcessFolderPath endswith "\\onenoteim.exe" or InitiatingP...
windows/image_load/image_load_office_dotnet_clr_dll_load.yml
9257c05b-4a4a-48e5-a670-b7b073cf401b
Binary Proxy Execution Via Dotnet-Trace.EXE
Detects commandline arguments for executing a child process via dotnet-trace.exe
windows
process_creation
title: Binary Proxy Execution Via Dotnet-Trace.EXE id: 9257c05b-4a4a-48e5-a670-b7b073cf401b status: test description: Detects commandline arguments for executing a child process via dotnet-trace.exe references: - https://twitter.com/bohops/status/1740022869198037480 author: Jimmy Bayne (@bohops) date: 2024-01-02 tags: ...
[ "T1218" ]
[ "execution", "stealth" ]
medium
test
[ "Legitimate usage of the utility in order to debug and trace a program." ]
[ "https://twitter.com/bohops/status/1740022869198037480" ]
Image="*\\dotnet-trace.exe" OR OriginalFileName="dotnet-trace.dll" CommandLine="*-- *" CommandLine="*collect*"
(Image:*\\dotnet\-trace.exe OR OriginalFileName:dotnet\-trace.dll) AND (CommandLine:*\-\-\ * AND CommandLine:*collect*)
DeviceProcessEvents | where (FolderPath endswith "\\dotnet-trace.exe" or ProcessVersionInfoOriginalFileName =~ "dotnet-trace.dll") and (ProcessCommandLine contains "-- " and ProcessCommandLine contains "collect")
windows/process_creation/proc_creation_win_dotnet_trace_lolbin_execution.yml
413d4a81-6c98-4479-9863-014785fd579c
Okta Admin Role Assigned to an User or Group
Detects when an the Administrator role is assigned to an user or group.
okta
okta
title: Okta Admin Role Assigned to an User or Group id: 413d4a81-6c98-4479-9863-014785fd579c status: test description: Detects when an the Administrator role is assigned to an user or group. references: - https://developer.okta.com/docs/reference/api/system-log/ - https://developer.okta.com/docs/reference/api/event-typ...
[ "T1098.003" ]
[ "privilege-escalation", "persistence" ]
medium
test
[ "Administrator roles could be assigned to users or group by other admin users." ]
[ "https://developer.okta.com/docs/reference/api/system-log/", "https://developer.okta.com/docs/reference/api/event-types/" ]
eventType IN ("group.privilege.grant", "user.account.privilege.grant")
eventType:(group.privilege.grant OR user.account.privilege.grant)
null
identity/okta/okta_admin_role_assigned_to_user_or_group.yml
4eec988f-7bf0-49f1-8675-1e6a510b3a2a
Potential PendingFileRenameOperations Tampering
Detect changes to the "PendingFileRenameOperations" registry key from uncommon or suspicious images locations to stage currently used files for rename or deletion after reboot.
windows
registry_set
title: Potential PendingFileRenameOperations Tampering id: 4eec988f-7bf0-49f1-8675-1e6a510b3a2a status: test description: 'Detect changes to the "PendingFileRenameOperations" registry key from uncommon or suspicious images locations to stage currently used files for rename or deletion after reboot. ' references: -...
[ "T1036.003" ]
[ "stealth" ]
medium
test
[ "Installers and updaters may set currently in use files for rename or deletion after a reboot." ]
[ "https://any.run/report/3ecd4763ffc944fdc67a9027e459cd4f448b1a8d1b36147977afaf86bbf2a261/64b0ba45-e7ce-423b-9a1d-5b4ea59521e6", "https://devblogs.microsoft.com/scripting/determine-pending-reboot-statuspowershell-style-part-1/", "https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-2000-ser...
TargetObject="*\\CurrentControlSet\\Control\\Session Manager\\PendingFileRenameOperations*" Image="*\\Users\\Public\\*" OR Image IN ("*\\reg.exe", "*\\regedit.exe")
TargetObject:*\\CurrentControlSet\\Control\\Session\ Manager\\PendingFileRenameOperations* AND (Image:*\\Users\\Public\\* OR (Image:(*\\reg.exe OR *\\regedit.exe)))
DeviceRegistryEvents | where RegistryKey contains "\\CurrentControlSet\\Control\\Session Manager\\PendingFileRenameOperations" and (InitiatingProcessFolderPath contains "\\Users\\Public\\" or (InitiatingProcessFolderPath endswith "\\reg.exe" or InitiatingProcessFolderPath endswith "\\regedit.exe"))
windows/registry/registry_set/registry_set_susp_pendingfilerenameoperations.yml
2f77047c-e6e9-4c11-b088-a3de399524cd
Potential Persistence Via Security Descriptors - ScriptBlock
Detects usage of certain functions and keywords that are used to manipulate security descriptors in order to potentially set a backdoor. As seen used in the DAMP project.
windows
ps_script
title: Potential Persistence Via Security Descriptors - ScriptBlock id: 2f77047c-e6e9-4c11-b088-a3de399524cd status: test description: Detects usage of certain functions and keywords that are used to manipulate security descriptors in order to potentially set a backdoor. As seen used in the DAMP project. references: ...
[]
[ "persistence", "privilege-escalation", "defense-impairment" ]
high
test
[ "Unknown" ]
[ "https://github.com/HarmJ0y/DAMP" ]
ScriptBlockText="*win32_Trustee*" ScriptBlockText="*win32_Ace*" ScriptBlockText="*.AccessMask*" ScriptBlockText="*.AceType*" ScriptBlockText="*.SetSecurityDescriptor*" ScriptBlockText IN ("*\\Lsa\\JD*", "*\\Lsa\\Skew1*", "*\\Lsa\\Data*", "*\\Lsa\\GBG*")
(ScriptBlockText:*win32_Trustee* AND ScriptBlockText:*win32_Ace* AND ScriptBlockText:*.AccessMask* AND ScriptBlockText:*.AceType* AND ScriptBlockText:*.SetSecurityDescriptor*) AND (ScriptBlockText:(*\\Lsa\\JD* OR *\\Lsa\\Skew1* OR *\\Lsa\\Data* OR *\\Lsa\\GBG*))
null
windows/powershell/powershell_script/posh_ps_susp_ace_tampering.yml
472159c5-31b9-4f56-b794-b766faa8b0a7
Suspicious LSASS Access Via MalSecLogon
Detects suspicious access to LSASS handle via a call trace to "seclogon.dll" with a suspicious access right.
windows
process_access
title: Suspicious LSASS Access Via MalSecLogon id: 472159c5-31b9-4f56-b794-b766faa8b0a7 status: test description: Detects suspicious access to LSASS handle via a call trace to "seclogon.dll" with a suspicious access right. references: - https://twitter.com/SBousseaden/status/1541920424635912196 - https://github.com/ela...
[ "T1003.001" ]
[ "credential-access" ]
high
test
[ "Unknown" ]
[ "https://twitter.com/SBousseaden/status/1541920424635912196", "https://github.com/elastic/detection-rules/blob/2bc1795f3d7bcc3946452eb4f07ae799a756d94e/rules/windows/credential_access_lsass_handle_via_malseclogon.toml", "https://splintercod3.blogspot.com/p/the-hidden-side-of-seclogon-part-3.html" ]
TargetImage="*\\lsass.exe" SourceImage="*\\svchost.exe" GrantedAccess="0x14c0" CallTrace="*seclogon.dll*"
TargetImage:*\\lsass.exe AND SourceImage:*\\svchost.exe AND GrantedAccess:0x14c0 AND CallTrace:*seclogon.dll*
null
windows/process_access/proc_access_win_lsass_seclogon_access.yml
7692f583-bd30-4008-8615-75dab3f08a99
Enable BPF Kprobes Tracing
Detects common command used to enable bpf kprobes tracing
linux
process_creation
title: Enable BPF Kprobes Tracing id: 7692f583-bd30-4008-8615-75dab3f08a99 status: test description: Detects common command used to enable bpf kprobes tracing references: - https://embracethered.com/blog/posts/2021/offensive-bpf-bpftrace/ - https://bpftrace.org/ - https://www.kernel.org/doc/html/v5.0/trace/kprobetrace....
[]
[ "execution", "stealth" ]
medium
test
[ "Unknown" ]
[ "https://embracethered.com/blog/posts/2021/offensive-bpf-bpftrace/", "https://bpftrace.org/", "https://www.kernel.org/doc/html/v5.0/trace/kprobetrace.html" ]
CommandLine="*echo 1 >*" CommandLine="*/sys/kernel/debug/tracing/events/kprobes/*" CommandLine IN ("*/myprobe/enable*", "*/myretprobe/enable*")
(CommandLine:*echo\ 1\ \>* AND CommandLine:*\/sys\/kernel\/debug\/tracing\/events\/kprobes\/*) AND (CommandLine:(*\/myprobe\/enable* OR *\/myretprobe\/enable*))
DeviceProcessEvents | where (ProcessCommandLine contains "echo 1 >" and ProcessCommandLine contains "/sys/kernel/debug/tracing/events/kprobes/") and (ProcessCommandLine contains "/myprobe/enable" or ProcessCommandLine contains "/myretprobe/enable")
linux/process_creation/proc_creation_lnx_bpf_kprob_tracing_enabled.yml
9f2cc74d-78af-4eb2-bb64-9cd1d292b87b
Microsoft Sync Center Suspicious Network Connections
Detects suspicious connections from Microsoft Sync Center to non-private IPs.
windows
network_connection
title: Microsoft Sync Center Suspicious Network Connections id: 9f2cc74d-78af-4eb2-bb64-9cd1d292b87b status: test description: Detects suspicious connections from Microsoft Sync Center to non-private IPs. references: - https://redcanary.com/blog/intelligence-insights-november-2021/ author: elhoim date: 2022-04-28 modif...
[ "T1055", "T1218" ]
[ "privilege-escalation", "stealth", "execution" ]
medium
test
[ "Unknown" ]
[ "https://redcanary.com/blog/intelligence-insights-november-2021/" ]
Image="*\\mobsync.exe" NOT (DestinationIp="127.0.0.0/8" OR DestinationIp="10.0.0.0/8" OR DestinationIp="172.16.0.0/12" OR DestinationIp="192.168.0.0/16" OR DestinationIp="169.254.0.0/16" OR DestinationIp="::1/128" OR DestinationIp="fe80::/10" OR DestinationIp="fc00::/7")
Image:*\\mobsync.exe AND (NOT (DestinationIp:127.0.0.0\/8 OR DestinationIp:10.0.0.0\/8 OR DestinationIp:172.16.0.0\/12 OR DestinationIp:192.168.0.0\/16 OR DestinationIp:169.254.0.0\/16 OR DestinationIp:\:\:1\/128 OR DestinationIp:fe80\:\:\/10 OR DestinationIp:fc00\:\:\/7))
DeviceNetworkEvents | where InitiatingProcessFolderPath endswith "\\mobsync.exe" and (not((ipv4_is_in_range(RemoteIP, "127.0.0.0/8") or ipv4_is_in_range(RemoteIP, "10.0.0.0/8") or ipv4_is_in_range(RemoteIP, "172.16.0.0/12") or ipv4_is_in_range(RemoteIP, "192.168.0.0/16") or ipv4_is_in_range(RemoteIP, "169.254.0.0/16") ...
windows/network_connection/net_connection_win_susp_outbound_mobsync_connection.yml
b222df08-0e07-11eb-adc1-0242ac120002
Invoke-Obfuscation CLIP+ Launcher
Detects Obfuscated use of Clip.exe to execute PowerShell
windows
process_creation
title: Invoke-Obfuscation CLIP+ Launcher id: b222df08-0e07-11eb-adc1-0242ac120002 status: test description: Detects Obfuscated use of Clip.exe to execute PowerShell references: - https://github.com/SigmaHQ/sigma/issues/1009 author: Jonathan Cheong, oscd.community date: 2020-10-13 modified: 2022-11-17 tags: - attack.ste...
[ "T1027", "T1059.001" ]
[ "stealth", "execution" ]
high
test
[ "Unknown" ]
[ "https://github.com/SigmaHQ/sigma/issues/1009" ]
CommandLine="*cmd*" CommandLine="*&&*" CommandLine="*clipboard]::*" CommandLine="*-f*" CommandLine IN ("*/c*", "*/r*")
(CommandLine:*cmd* AND CommandLine:*\&\&* AND CommandLine:*clipboard\]\:\:* AND CommandLine:*\-f*) AND (CommandLine:(*\/c* OR *\/r*))
DeviceProcessEvents | where (ProcessCommandLine contains "cmd" and ProcessCommandLine contains "&&" and ProcessCommandLine contains "clipboard]::" and ProcessCommandLine contains "-f") and (ProcessCommandLine contains "/c" or ProcessCommandLine contains "/r")
windows/process_creation/proc_creation_win_hktl_invoke_obfuscation_clip.yml
dd3ee8cc-f751-41c9-ba53-5a32ed47e563
Registry Modification of MS-settings Protocol Handler
Detects registry modifications to the 'ms-settings' protocol handler, which is frequently targeted for UAC bypass or persistence. Attackers can modify this registry to execute malicious code with elevated privileges by hijacking the command execution path.
windows
process_creation
title: Registry Modification of MS-settings Protocol Handler id: dd3ee8cc-f751-41c9-ba53-5a32ed47e563 related: - id: 152f3630-77c1-4284-bcc0-4cc68ab2f6e7 type: similar status: test description: 'Detects registry modifications to the ''ms-settings'' protocol handler, which is frequently targeted for UAC bypass or pe...
[ "T1548.002", "T1546.001", "T1112" ]
[ "privilege-escalation", "persistence", "defense-impairment" ]
medium
test
[ "Unknown" ]
[ "https://thedfirreport.com/2021/12/13/diavol-ransomware/", "https://www.trendmicro.com/en_us/research/25/f/water-curse.html" ]
(Image="*\\reg.exe" OR OriginalFileName="reg.exe" CommandLine="*add*") OR (Image IN ("*\\powershell.exe", "*\\pwsh.exe") OR OriginalFileName IN ("powershell.exe", "pwsh.dll") CommandLine IN ("*New-ItemProperty*", "*Set-ItemProperty*", "*ni *", "*sp *")) CommandLine="*\\ms-settings\\shell\\open\\command*"
(((Image:*\\reg.exe OR OriginalFileName:reg.exe) AND CommandLine:*add*) OR (((Image:(*\\powershell.exe OR *\\pwsh.exe)) OR (OriginalFileName:(powershell.exe OR pwsh.dll))) AND (CommandLine:(*New\-ItemProperty* OR *Set\-ItemProperty* OR *ni\ * OR *sp\ *)))) AND CommandLine:*\\ms\-settings\\shell\\open\\command*
DeviceProcessEvents | where (((FolderPath endswith "\\reg.exe" or ProcessVersionInfoOriginalFileName =~ "reg.exe") and ProcessCommandLine contains "add") or (((FolderPath endswith "\\powershell.exe" or FolderPath endswith "\\pwsh.exe") or (ProcessVersionInfoOriginalFileName in~ ("powershell.exe", "pwsh.dll"))) and (Pro...
windows/process_creation/proc_creation_win_susp_registry_modification_of_ms_setting_protocol_handler.yml
d9047477-0359-48c9-b8c7-792cedcdc9c4
PUA - NirCmd Execution As LOCAL SYSTEM
Detects the use of NirCmd tool for command execution as SYSTEM user
windows
process_creation
title: PUA - NirCmd Execution As LOCAL SYSTEM id: d9047477-0359-48c9-b8c7-792cedcdc9c4 status: test description: Detects the use of NirCmd tool for command execution as SYSTEM user references: - https://www.nirsoft.net/utils/nircmd.html - https://www.winhelponline.com/blog/run-program-as-system-localsystem-account-wind...
[ "T1569.002" ]
[ "execution" ]
high
test
[ "Legitimate use by administrators" ]
[ "https://www.nirsoft.net/utils/nircmd.html", "https://www.winhelponline.com/blog/run-program-as-system-localsystem-account-windows/", "https://www.nirsoft.net/utils/nircmd2.html#using" ]
CommandLine="* runassystem *"
CommandLine:*\ runassystem\ *
DeviceProcessEvents | where ProcessCommandLine contains " runassystem "
windows/process_creation/proc_creation_win_pua_nircmd_as_system.yml
90ae0469-0cee-4509-b67f-e5efcef040f7
Aruba Network Service Potential DLL Sideloading
Detects potential DLL sideloading activity via the Aruba Networks Virtual Intranet Access "arubanetsvc.exe" process using DLL Search Order Hijacking
windows
image_load
title: Aruba Network Service Potential DLL Sideloading id: 90ae0469-0cee-4509-b67f-e5efcef040f7 status: test description: Detects potential DLL sideloading activity via the Aruba Networks Virtual Intranet Access "arubanetsvc.exe" process using DLL Search Order Hijacking references: - https://twitter.com/wdormann/stat...
[ "T1574.001" ]
[ "privilege-escalation", "persistence", "execution", "stealth" ]
high
test
[ "Unknown" ]
[ "https://twitter.com/wdormann/status/1616581559892545537?t=XLCBO9BziGzD7Bmbt8oMEQ&s=09" ]
Image="*\\arubanetsvc.exe" ImageLoaded IN ("*\\wtsapi32.dll", "*\\msvcr100.dll", "*\\msvcp100.dll", "*\\dbghelp.dll", "*\\dbgcore.dll", "*\\wininet.dll", "*\\iphlpapi.dll", "*\\version.dll", "*\\cryptsp.dll", "*\\cryptbase.dll", "*\\wldp.dll", "*\\profapi.dll", "*\\sspicli.dll", "*\\winsta.dll", "*\\dpapi.dll") NOT (Im...
(Image:*\\arubanetsvc.exe AND (ImageLoaded:(*\\wtsapi32.dll OR *\\msvcr100.dll OR *\\msvcp100.dll OR *\\dbghelp.dll OR *\\dbgcore.dll OR *\\wininet.dll OR *\\iphlpapi.dll OR *\\version.dll OR *\\cryptsp.dll OR *\\cryptbase.dll OR *\\wldp.dll OR *\\profapi.dll OR *\\sspicli.dll OR *\\winsta.dll OR *\\dpapi.dll))) AND (N...
DeviceImageLoadEvents | where (InitiatingProcessFolderPath endswith "\\arubanetsvc.exe" and (FolderPath endswith "\\wtsapi32.dll" or FolderPath endswith "\\msvcr100.dll" or FolderPath endswith "\\msvcp100.dll" or FolderPath endswith "\\dbghelp.dll" or FolderPath endswith "\\dbgcore.dll" or FolderPath endswith "\\winine...
windows/image_load/image_load_side_load_aruba_networks_virtual_intranet_access.yml
c74c0390-3e20-41fd-a69a-128f0275a5ea
Cab File Extraction Via Wusa.EXE From Potentially Suspicious Paths
Detects the execution of the "wusa.exe" (Windows Update Standalone Installer) utility to extract ".cab" files using the "/extract" argument from potentially suspicious paths.
windows
process_creation
title: Cab File Extraction Via Wusa.EXE From Potentially Suspicious Paths id: c74c0390-3e20-41fd-a69a-128f0275a5ea related: - id: 59b39960-5f9d-4a49-9cef-1e4d2c1d0cb9 type: derived status: test description: 'Detects the execution of the "wusa.exe" (Windows Update Standalone Installer) utility to extract ".cab" files ...
[]
[ "execution" ]
high
test
[ "Unknown" ]
[ "https://web.archive.org/web/20180331144337/https://www.fireeye.com/blog/threat-research/2018/03/sanny-malware-delivery-method-updated-in-recently-observed-attacks.html", "https://www.echotrail.io/insights/search/wusa.exe/" ]
Image="*\\wusa.exe" CommandLine="*/extract:*" CommandLine IN ("*:\\PerfLogs\\*", "*:\\Users\\Public\\*", "*:\\Windows\\Temp\\*", "*\\Appdata\\Local\\Temp\\*")
(Image:*\\wusa.exe AND CommandLine:*\/extract\:*) AND (CommandLine:(*\:\\PerfLogs\\* OR *\:\\Users\\Public\\* OR *\:\\Windows\\Temp\\* OR *\\Appdata\\Local\\Temp\\*))
DeviceProcessEvents | where (FolderPath endswith "\\wusa.exe" and ProcessCommandLine contains "/extract:") and (ProcessCommandLine contains ":\\PerfLogs\\" or ProcessCommandLine contains ":\\Users\\Public\\" or ProcessCommandLine contains ":\\Windows\\Temp\\" or ProcessCommandLine contains "\\Appdata\\Local\\Temp\\")
windows/process_creation/proc_creation_win_wusa_cab_files_extraction_from_susp_paths.yml
e2326866-609f-4015-aea9-7ec634e8aa04
Shell Execution via Rsync - Linux
Detects the use of the "rsync" utility to execute a shell. Such behavior may be associated with privilege escalation, unauthorized command execution, or to break out from restricted environments.
linux
process_creation
title: Shell Execution via Rsync - Linux id: e2326866-609f-4015-aea9-7ec634e8aa04 status: experimental description: 'Detects the use of the "rsync" utility to execute a shell. Such behavior may be associated with privilege escalation, unauthorized command execution, or to break out from restricted environments. ' ...
[ "T1059" ]
[ "execution" ]
high
experimental
[ "Legitimate cases in which \"rsync\" is used to execute a shell" ]
[ "https://gtfobins.github.io/gtfobins/rsync/#shell" ]
Image IN ("*/rsync", "*/rsyncd") CommandLine="* -e *" CommandLine IN ("*/ash *", "*/bash *", "*/dash *", "*/csh *", "*/sh *", "*/zsh *", "*/tcsh *", "*/ksh *", "*'ash *", "*'bash *", "*'dash *", "*'csh *", "*'sh *", "*'zsh *", "*'tcsh *", "*'ksh *")
((Image:(*\/rsync OR *\/rsyncd)) AND CommandLine:*\ \-e\ *) AND (CommandLine:(*\/ash\ * OR *\/bash\ * OR *\/dash\ * OR *\/csh\ * OR *\/sh\ * OR *\/zsh\ * OR *\/tcsh\ * OR *\/ksh\ * OR *'ash\ * OR *'bash\ * OR *'dash\ * OR *'csh\ * OR *'sh\ * OR *'zsh\ * OR *'tcsh\ * OR *'ksh\ *))
DeviceProcessEvents | where ((FolderPath endswith "/rsync" or FolderPath endswith "/rsyncd") and ProcessCommandLine contains " -e ") and (ProcessCommandLine contains "/ash " or ProcessCommandLine contains "/bash " or ProcessCommandLine contains "/dash " or ProcessCommandLine contains "/csh " or ProcessCommandLine conta...
linux/process_creation/proc_creation_lnx_rsync_shell_execution.yml
3883d9a0-fd0f-440f-afbb-445a2a799bb8
Github Secret Scanning Feature Disabled
Detects if the secret scanning feature is disabled for an enterprise or repository.
github
audit
title: Github Secret Scanning Feature Disabled id: 3883d9a0-fd0f-440f-afbb-445a2a799bb8 status: test description: Detects if the secret scanning feature is disabled for an enterprise or repository. references: - https://docs.github.com/en/enterprise-cloud@latest/code-security/secret-scanning/about-secret-scanning autho...
[ "T1685" ]
[ "defense-impairment" ]
high
test
[ "Allowed administrative activities." ]
[ "https://docs.github.com/en/enterprise-cloud@latest/code-security/secret-scanning/about-secret-scanning" ]
action IN ("business_secret_scanning.disable", "business_secret_scanning.disabled_for_new_repos", "repository_secret_scanning.disable", "secret_scanning_new_repos.disable", "secret_scanning.disable")
action:(business_secret_scanning.disable OR business_secret_scanning.disabled_for_new_repos OR repository_secret_scanning.disable OR secret_scanning_new_repos.disable OR secret_scanning.disable)
null
application/github/audit/github_secret_scanning_feature_disabled.yml
f6d1dd2f-b8ce-40ca-bc23-062efb686b34
Script Event Consumer Spawning Process
Detects a suspicious child process of Script Event Consumer (scrcons.exe).
windows
process_creation
title: Script Event Consumer Spawning Process id: f6d1dd2f-b8ce-40ca-bc23-062efb686b34 status: test description: Detects a suspicious child process of Script Event Consumer (scrcons.exe). references: - https://redcanary.com/blog/child-processes/ - https://docs.paloaltonetworks.com/cortex/cortex-xdr/cortex-xdr-analytics...
[ "T1047" ]
[ "execution" ]
high
test
[ "Unknown" ]
[ "https://redcanary.com/blog/child-processes/", "https://docs.paloaltonetworks.com/cortex/cortex-xdr/cortex-xdr-analytics-alert-reference/cortex-xdr-analytics-alert-reference/scrcons-exe-rare-child-process.html" ]
ParentImage="*\\scrcons.exe" Image IN ("*\\svchost.exe", "*\\dllhost.exe", "*\\powershell.exe", "*\\pwsh.exe", "*\\wscript.exe", "*\\cscript.exe", "*\\schtasks.exe", "*\\regsvr32.exe", "*\\mshta.exe", "*\\rundll32.exe", "*\\msiexec.exe", "*\\msbuild.exe")
ParentImage:*\\scrcons.exe AND (Image:(*\\svchost.exe OR *\\dllhost.exe OR *\\powershell.exe OR *\\pwsh.exe OR *\\wscript.exe OR *\\cscript.exe OR *\\schtasks.exe OR *\\regsvr32.exe OR *\\mshta.exe OR *\\rundll32.exe OR *\\msiexec.exe OR *\\msbuild.exe))
DeviceProcessEvents | where InitiatingProcessFolderPath endswith "\\scrcons.exe" and (FolderPath endswith "\\svchost.exe" or FolderPath endswith "\\dllhost.exe" or FolderPath endswith "\\powershell.exe" or FolderPath endswith "\\pwsh.exe" or FolderPath endswith "\\wscript.exe" or FolderPath endswith "\\cscript.exe" or ...
windows/process_creation/proc_creation_win_scrcons_susp_child_process.yml
0d34ed8b-1c12-4ff2-828c-16fc860b766d
Suspicious Processes Spawned by Java.EXE
Detects suspicious processes spawned from a Java host process which could indicate a sign of exploitation (e.g. log4j)
windows
process_creation
title: Suspicious Processes Spawned by Java.EXE id: 0d34ed8b-1c12-4ff2-828c-16fc860b766d related: - id: dff1e1cc-d3fd-47c8-bfc2-aeb878a754c0 type: similar status: test description: Detects suspicious processes spawned from a Java host process which could indicate a sign of exploitation (e.g. log4j) references: - ht...
[]
[ "initial-access", "persistence", "privilege-escalation" ]
high
test
[ "Legitimate calls to system binaries", "Company specific internal usage" ]
[ "https://web.archive.org/web/20231230220738/https://www.lunasec.io/docs/blog/log4j-zero-day/" ]
ParentImage="*\\java.exe" Image IN ("*\\AppVLP.exe", "*\\bitsadmin.exe", "*\\certutil.exe", "*\\cscript.exe", "*\\curl.exe", "*\\forfiles.exe", "*\\hh.exe", "*\\mftrace.exe", "*\\mshta.exe", "*\\net.exe", "*\\net1.exe", "*\\query.exe", "*\\reg.exe", "*\\regsvr32.exe", "*\\rundll32.exe", "*\\schtasks.exe", "*\\scrcons.e...
ParentImage:*\\java.exe AND (Image:(*\\AppVLP.exe OR *\\bitsadmin.exe OR *\\certutil.exe OR *\\cscript.exe OR *\\curl.exe OR *\\forfiles.exe OR *\\hh.exe OR *\\mftrace.exe OR *\\mshta.exe OR *\\net.exe OR *\\net1.exe OR *\\query.exe OR *\\reg.exe OR *\\regsvr32.exe OR *\\rundll32.exe OR *\\schtasks.exe OR *\\scrcons.ex...
DeviceProcessEvents | where InitiatingProcessFolderPath endswith "\\java.exe" and (FolderPath endswith "\\AppVLP.exe" or FolderPath endswith "\\bitsadmin.exe" or FolderPath endswith "\\certutil.exe" or FolderPath endswith "\\cscript.exe" or FolderPath endswith "\\curl.exe" or FolderPath endswith "\\forfiles.exe" or Fol...
windows/process_creation/proc_creation_win_java_susp_child_process.yml
ea61bb82-a5e0-42e6-8537-91d29500f1b9
Potential Abuse of Linux Magic System Request Key
Detects the potential abuse of the Linux Magic SysRq (System Request) key by adversaries with root or sufficient privileges to silently manipulate or destabilize a system. By writing to /proc/sysrq-trigger, they can crash the system, kill processes, or disrupt forensic analysis—all while bypassing standard logging. Tho...
linux
auditd
title: Potential Abuse of Linux Magic System Request Key id: ea61bb82-a5e0-42e6-8537-91d29500f1b9 status: experimental description: 'Detects the potential abuse of the Linux Magic SysRq (System Request) key by adversaries with root or sufficient privileges to silently manipulate or destabilize a system. By writing...
[ "T1059.004", "T1529", "T1489", "T1499" ]
[ "execution", "impact" ]
medium
experimental
[ "Legitimate administrative activity" ]
[ "https://www.kernel.org/doc/html/v4.10/_sources/admin-guide/sysrq.txt", "https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/4/html/reference_guide/s3-proc-sys-kernel", "https://www.splunk.com/en_us/blog/security/threat-update-awfulshred-script-wiper.html" ]
type="PATH" name IN ("*/sysrq", "*/sysctl.conf", "*/sysrq-trigger")
type:PATH AND (name:(*\/sysrq OR *\/sysctl.conf OR *\/sysrq\-trigger))
null
linux/auditd/path/lnx_auditd_magic_system_request_key.yml
fcc6d700-68d9-4241-9a1a-06874d621b06
Suspicious File Created Via OneNote Application
Detects suspicious files created via the OneNote application. This could indicate a potential malicious ".one"/".onepkg" file was executed as seen being used in malware activity in the wild
windows
file_event
title: Suspicious File Created Via OneNote Application id: fcc6d700-68d9-4241-9a1a-06874d621b06 status: test description: Detects suspicious files created via the OneNote application. This could indicate a potential malicious ".one"/".onepkg" file was executed as seen being used in malware activity in the wild refere...
[]
[ "stealth" ]
high
test
[ "False positives should be very low with the extensions list cited. Especially if you don't heavily utilize OneNote.", "Occasional FPs might occur if OneNote is used internally to share different embedded documents" ]
[ "https://www.bleepingcomputer.com/news/security/hackers-now-use-microsoft-onenote-attachments-to-spread-malware/", "https://blog.osarmor.com/319/onenote-attachment-delivers-asyncrat-malware/", "https://twitter.com/MaD_c4t/status/1623414582382567424", "https://labs.withsecure.com/publications/detecting-onenote...
Image IN ("*\\onenote.exe", "*\\onenotem.exe", "*\\onenoteim.exe") TargetFilename="*\\AppData\\Local\\Temp\\OneNote\\*" TargetFilename IN ("*.bat", "*.chm", "*.cmd", "*.dll", "*.exe", "*.hta", "*.htm", "*.html", "*.js", "*.lnk", "*.ps1", "*.vbe", "*.vbs", "*.wsf")
(Image:(*\\onenote.exe OR *\\onenotem.exe OR *\\onenoteim.exe)) AND TargetFilename:*\\AppData\\Local\\Temp\\OneNote\\* AND (TargetFilename:(*.bat OR *.chm OR *.cmd OR *.dll OR *.exe OR *.hta OR *.htm OR *.html OR *.js OR *.lnk OR *.ps1 OR *.vbe OR *.vbs OR *.wsf))
DeviceFileEvents | where (InitiatingProcessFolderPath endswith "\\onenote.exe" or InitiatingProcessFolderPath endswith "\\onenotem.exe" or InitiatingProcessFolderPath endswith "\\onenoteim.exe") and FolderPath contains "\\AppData\\Local\\Temp\\OneNote\\" and (FolderPath endswith ".bat" or FolderPath endswith ".chm" or ...
windows/file/file_event/file_event_win_office_onenote_susp_dropped_files.yml
894a8613-cf12-48b3-8e57-9085f54aa0c3
Potential Base64 Encoded User-Agent
Detects User Agent strings that end with an equal sign, which can be a sign of base64 encoding.
proxy
title: Potential Base64 Encoded User-Agent id: 894a8613-cf12-48b3-8e57-9085f54aa0c3 related: - id: d443095b-a221-4957-a2c4-cd1756c9b747 type: derived status: test description: Detects User Agent strings that end with an equal sign, which can be a sign of base64 encoding. references: - https://blogs.jpcert.or.jp/en/20...
[ "T1071.001" ]
[ "command-and-control" ]
medium
test
[ "Unknown" ]
[ "https://blogs.jpcert.or.jp/en/2022/07/yamabot.html", "https://deviceatlas.com/blog/list-of-user-agent-strings#desktop" ]
"c-useragent"="*="
c-useragent:*\=
null
web/proxy_generic/proxy_ua_susp_base64.yml
4281cb20-2994-4580-aa63-c8b86d019934
Hiding Files with Attrib.exe
Detects usage of attrib.exe to hide files from users.
windows
process_creation
title: Hiding Files with Attrib.exe id: 4281cb20-2994-4580-aa63-c8b86d019934 status: test description: Detects usage of attrib.exe to hide files from users. references: - https://unit42.paloaltonetworks.com/unit42-sure-ill-take-new-combojack-malware-alters-clipboards-steal-cryptocurrency/ - https://www.uptycs.com/blog/...
[ "T1564.001" ]
[ "stealth" ]
medium
test
[ "IgfxCUIService.exe hiding *.cui files via .bat script (attrib.exe a child of cmd.exe and igfxCUIService.exe is the parent of the cmd.exe)", "Msiexec.exe hiding desktop.ini" ]
[ "https://unit42.paloaltonetworks.com/unit42-sure-ill-take-new-combojack-malware-alters-clipboards-steal-cryptocurrency/", "https://www.uptycs.com/blog/lolbins-are-no-laughing-matter" ]
Image="*\\attrib.exe" OR OriginalFileName="ATTRIB.EXE" CommandLine="* +h *" NOT CommandLine="*\\desktop.ini *" NOT (ParentImage="*\\cmd.exe" CommandLine="+R +H +S +A \\\*.cui" ParentCommandLine="C:\\WINDOWS\\system32\\\*.bat")
((Image:*\\attrib.exe OR OriginalFileName:ATTRIB.EXE) AND CommandLine:*\ \+h\ *) AND (NOT CommandLine:*\\desktop.ini\ *) AND (NOT (ParentImage:*\\cmd.exe AND CommandLine:"\+R \+H \+S \+A \\\*.cui" AND ParentCommandLine:C\:\\WINDOWS\\system32\\\*.bat))
DeviceProcessEvents | where ((FolderPath endswith "\\attrib.exe" or ProcessVersionInfoOriginalFileName =~ "ATTRIB.EXE") and ProcessCommandLine contains " +h ") and (not(ProcessCommandLine contains "\\desktop.ini ")) and (not((InitiatingProcessFolderPath endswith "\\cmd.exe" and ProcessCommandLine =~ "+R +H +S +A \\*.cu...
windows/process_creation/proc_creation_win_attrib_hiding_files.yml
1d08ac94-400d-4469-a82f-daee9a908849
Communication To Ngrok Tunneling Service Initiated
Detects an executable initiating a network connection to "ngrok" tunneling domains. Attackers were seen using this "ngrok" in order to store their second stage payloads and malware. While communication with such domains can be legitimate, often times is a sign of either data exfiltration by malicious actors or addition...
windows
network_connection
title: Communication To Ngrok Tunneling Service Initiated id: 1d08ac94-400d-4469-a82f-daee9a908849 related: - id: 18249279-932f-45e2-b37a-8925f2597670 type: similar status: test description: 'Detects an executable initiating a network connection to "ngrok" tunneling domains. Attackers were seen using this "ngrok" ...
[ "T1567", "T1568.002", "T1572", "T1090", "T1102" ]
[ "exfiltration", "command-and-control" ]
high
test
[ "Legitimate use of the ngrok service." ]
[ "https://twitter.com/hakluke/status/1587733971814977537/photo/1", "https://ngrok.com/docs/secure-tunnels/tunnels/ssh-reverse-tunnel-agent" ]
DestinationHostname IN ("*tunnel.us.ngrok.com*", "*tunnel.eu.ngrok.com*", "*tunnel.ap.ngrok.com*", "*tunnel.au.ngrok.com*", "*tunnel.sa.ngrok.com*", "*tunnel.jp.ngrok.com*", "*tunnel.in.ngrok.com*")
DestinationHostname:(*tunnel.us.ngrok.com* OR *tunnel.eu.ngrok.com* OR *tunnel.ap.ngrok.com* OR *tunnel.au.ngrok.com* OR *tunnel.sa.ngrok.com* OR *tunnel.jp.ngrok.com* OR *tunnel.in.ngrok.com*)
DeviceNetworkEvents | where RemoteUrl contains "tunnel.us.ngrok.com" or RemoteUrl contains "tunnel.eu.ngrok.com" or RemoteUrl contains "tunnel.ap.ngrok.com" or RemoteUrl contains "tunnel.au.ngrok.com" or RemoteUrl contains "tunnel.sa.ngrok.com" or RemoteUrl contains "tunnel.jp.ngrok.com" or RemoteUrl contains "tunnel.i...
windows/network_connection/net_connection_win_domain_ngrok_tunnel.yml
b86d356d-6093-443d-971c-9b07db583c68
Suspicious Curl Change User Agents - Linux
Detects a suspicious curl process start on linux with set useragent options
linux
process_creation
title: Suspicious Curl Change User Agents - Linux id: b86d356d-6093-443d-971c-9b07db583c68 related: - id: 3286d37a-00fd-41c2-a624-a672dcd34e60 type: derived status: test description: Detects a suspicious curl process start on linux with set useragent options references: - https://curl.se/docs/manpage.html author: Nas...
[ "T1071.001" ]
[ "command-and-control" ]
medium
test
[ "Scripts created by developers and admins", "Administrative activity" ]
[ "https://curl.se/docs/manpage.html" ]
Image="*/curl" CommandLine IN ("* -A *", "* --user-agent *")
Image:*\/curl AND (CommandLine:(*\ \-A\ * OR *\ \-\-user\-agent\ *))
DeviceProcessEvents | where FolderPath endswith "/curl" and (ProcessCommandLine contains " -A " or ProcessCommandLine contains " --user-agent ")
linux/process_creation/proc_creation_lnx_susp_curl_useragent.yml
786cdae8-fefb-4eb2-9227-04e34060db01
Suspicious Wordpad Outbound Connections
Detects a network connection initiated by "wordpad.exe" over uncommon destination ports. This might indicate potential process injection activity from a beacon or similar mechanisms.
windows
network_connection
title: Suspicious Wordpad Outbound Connections id: 786cdae8-fefb-4eb2-9227-04e34060db01 status: test description: 'Detects a network connection initiated by "wordpad.exe" over uncommon destination ports. This might indicate potential process injection activity from a beacon or similar mechanisms. ' references: - ...
[]
[ "command-and-control", "stealth" ]
medium
test
[ "Other ports can be used, apply additional filters accordingly" ]
[ "https://blogs.blackberry.com/en/2023/07/romcom-targets-ukraine-nato-membership-talks-at-nato-summit" ]
Initiated="true" Image="*\\wordpad.exe" NOT (DestinationPort IN (80, 139, 443, 445, 465, 587, 993, 995))
(Initiated:true AND Image:*\\wordpad.exe) AND (NOT (DestinationPort:(80 OR 139 OR 443 OR 445 OR 465 OR 587 OR 993 OR 995)))
DeviceNetworkEvents | where InitiatingProcessFolderPath endswith "\\wordpad.exe" and (not((RemotePort in~ ("80", "139", "443", "445", "465", "587", "993", "995"))))
windows/network_connection/net_connection_win_wordpad_uncommon_ports.yml
8eef149c-bd26-49f2-9e5a-9b00e3af499b
Pass the Hash Activity 2
Detects the attack technique pass the hash which is used to move laterally inside the network
windows
security
title: Pass the Hash Activity 2 id: 8eef149c-bd26-49f2-9e5a-9b00e3af499b status: stable description: Detects the attack technique pass the hash which is used to move laterally inside the network references: - https://github.com/iadgov/Event-Forwarding-Guidance/tree/master/Events - https://web.archive.org/web/2017090909...
[ "T1550.002" ]
[ "lateral-movement" ]
medium
stable
[ "Administrator activity" ]
[ "https://github.com/iadgov/Event-Forwarding-Guidance/tree/master/Events", "https://web.archive.org/web/20170909091934/https://blog.binarydefense.com/reliably-detecting-pass-the-hash-through-event-log-analysis", "https://blog.stealthbits.com/how-to-detect-pass-the-hash-attacks/" ]
(EventID=4624 SubjectUserSid="S-1-0-0" LogonType=3 LogonProcessName="NtLmSsp" KeyLength=0) OR (EventID=4624 LogonType=9 LogonProcessName="seclogo") NOT TargetUserName="ANONYMOUS LOGON"
((EventID:4624 AND SubjectUserSid:S\-1\-0\-0 AND LogonType:3 AND LogonProcessName:NtLmSsp AND KeyLength:0) OR (EventID:4624 AND LogonType:9 AND LogonProcessName:seclogo)) AND (NOT TargetUserName:"ANONYMOUS LOGON")
null
windows/builtin/security/account_management/win_security_pass_the_hash_2.yml
c80e66d8-1780-48a9-b412-46663fd21ac0
Suspicious Autorun Registry Modified via WMI
Detects suspicious activity where the WMIC process is used to create an autorun registry entry via reg.exe, which is often indicative of persistence mechanisms employed by malware.
windows
process_creation
title: Suspicious Autorun Registry Modified via WMI id: c80e66d8-1780-48a9-b412-46663fd21ac0 status: experimental description: 'Detects suspicious activity where the WMIC process is used to create an autorun registry entry via reg.exe, which is often indicative of persistence mechanisms employed by malware. ' refe...
[ "T1547.001", "T1047" ]
[ "privilege-escalation", "execution", "persistence" ]
high
experimental
[ "Legitimate administrative activity or software installations" ]
[ "Internal Research", "https://github.com/HackTricks-wiki/hacktricks/blob/e4c7b21b8f36c97c35b7c622732b38a189ce18f7/src/windows-hardening/windows-local-privilege-escalation/privilege-escalation-with-autorun-binaries.md" ]
Image="*\\wmic.exe" OR OriginalFileName="wmic.exe" OR ParentImage="*\\wmiprvse.exe" CommandLine="*reg*" CommandLine="* add *" CommandLine IN ("*\\Software\\Microsoft\\Windows\\CurrentVersion\\Run*", "*\\Software\\WOW6432Node\\Microsoft\\Windows\\CurrentVersion\\Run*", "*\\Software\\Microsoft\\Windows\\CurrentVersion\\P...
((Image:*\\wmic.exe OR OriginalFileName:wmic.exe OR ParentImage:*\\wmiprvse.exe) AND ((CommandLine:*reg* AND CommandLine:*\ add\ *) AND (CommandLine:(*\\Software\\Microsoft\\Windows\\CurrentVersion\\Run* OR *\\Software\\WOW6432Node\\Microsoft\\Windows\\CurrentVersion\\Run* OR *\\Software\\Microsoft\\Windows\\CurrentVer...
DeviceProcessEvents | where ((FolderPath endswith "\\wmic.exe" or ProcessVersionInfoOriginalFileName =~ "wmic.exe" or InitiatingProcessFolderPath endswith "\\wmiprvse.exe") and ((ProcessCommandLine contains "reg" and ProcessCommandLine contains " add ") and (ProcessCommandLine contains "\\Software\\Microsoft\\Windows\\...
windows/process_creation/proc_creation_win_autorun_registry_modified_via_wmic.yml
b2572bf9-e20a-4594-b528-40bde666525a
Impossible Travel
Identifies user activities originating from geographically distant locations within a time period shorter than the time it takes to travel from the first location to the second.
azure
riskdetection
title: Impossible Travel id: b2572bf9-e20a-4594-b528-40bde666525a status: test description: Identifies user activities originating from geographically distant locations within a time period shorter than the time it takes to travel from the first location to the second. references: - https://learn.microsoft.com/en-us/...
[ "T1078" ]
[ "stealth", "persistence", "privilege-escalation", "initial-access" ]
high
test
[ "Connecting to a VPN, performing activity and then dropping and performing additional activity." ]
[ "https://learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-risks#impossible-travel", "https://learn.microsoft.com/en-us/entra/architecture/security-operations-user-accounts#unusual-sign-ins" ]
riskEventType="impossibleTravel"
riskEventType:impossibleTravel
null
cloud/azure/identity_protection/azure_identity_protection_impossible_travel.yml
43fa5350-db63-4b8f-9a01-789a427074e1
Potential Obfuscated Ordinal Call Via Rundll32
Detects execution of "rundll32" with potential obfuscated ordinal calls
windows
process_creation
title: Potential Obfuscated Ordinal Call Via Rundll32 id: 43fa5350-db63-4b8f-9a01-789a427074e1 status: test description: Detects execution of "rundll32" with potential obfuscated ordinal calls references: - Internal Research - https://www.youtube.com/watch?v=52tAmVLg1KM&t=2070s author: Nasreddine Bencherchali (Nextron ...
[ "T1027.010" ]
[ "stealth" ]
medium
test
[ "Unknown" ]
[ "Internal Research", "https://www.youtube.com/watch?v=52tAmVLg1KM&t=2070s" ]
Image="*\\rundll32.exe" OR OriginalFileName="RUNDLL32.EXE" OR CommandLine="*rundll32*" CommandLine IN ("*#+*", "*#-*", "*#0*", "*#655*", "*#656*")
(Image:*\\rundll32.exe OR OriginalFileName:RUNDLL32.EXE OR CommandLine:*rundll32*) AND (CommandLine:(*#\+* OR *#\-* OR *#0* OR *#655* OR *#656*))
DeviceProcessEvents | where (FolderPath endswith "\\rundll32.exe" or ProcessVersionInfoOriginalFileName =~ "RUNDLL32.EXE" or ProcessCommandLine contains "rundll32") and (ProcessCommandLine contains "#+" or ProcessCommandLine contains "#-" or ProcessCommandLine contains "#0" or ProcessCommandLine contains "#655" or Proc...
windows/process_creation/proc_creation_win_rundll32_obfuscated_ordinal_call.yml
90d50722-0483-4065-8e35-57efaadd354d
Arbitrary MSI Download Via Devinit.EXE
Detects a certain command line flag combination used by "devinit.exe", which can be abused as a LOLBIN to download arbitrary MSI packages on a Windows system
windows
process_creation
title: Arbitrary MSI Download Via Devinit.EXE id: 90d50722-0483-4065-8e35-57efaadd354d status: test description: Detects a certain command line flag combination used by "devinit.exe", which can be abused as a LOLBIN to download arbitrary MSI packages on a Windows system references: - https://twitter.com/mrd0x/status/...
[ "T1218" ]
[ "execution", "stealth" ]
medium
test
[ "Unknown" ]
[ "https://twitter.com/mrd0x/status/1460815932402679809", "https://lolbas-project.github.io/lolbas/OtherMSBinaries/Devinit/" ]
CommandLine="* -t msi-install *" CommandLine="* -i http*"
CommandLine:*\ \-t\ msi\-install\ * AND CommandLine:*\ \-i\ http*
DeviceProcessEvents | where ProcessCommandLine contains " -t msi-install " and ProcessCommandLine contains " -i http"
windows/process_creation/proc_creation_win_devinit_lolbin_usage.yml
448fd1ea-2116-4c62-9cde-a92d120e0f08
Azure Service Principal Removed
Identifies when a service principal was removed in Azure.
azure
auditlogs
title: Azure Service Principal Removed id: 448fd1ea-2116-4c62-9cde-a92d120e0f08 status: test description: Identifies when a service principal was removed in Azure. references: - https://learn.microsoft.com/en-us/entra/identity/monitoring-health/reference-audit-activities#core-directory - https://techcommunity.microsoft...
[]
[ "stealth" ]
medium
test
[ "Service principal being removed may be performed by a system administrator.", "Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.", "Service principal removed from unfamiliar users should be investigated. If known behavior is causing false positives, it ...
[ "https://learn.microsoft.com/en-us/entra/identity/monitoring-health/reference-audit-activities#core-directory", "https://techcommunity.microsoft.com/blog/microsoft-entra-blog/keeping-track-of-object-deletions-in-microsoft-entra-id/4053415" ]
operationName="Remove service principal"
operationName:"Remove service principal"
null
cloud/azure/audit_logs/azure_service_principal_removed.yml
693a44e9-7f26-4cb6-b787-214867672d3a
Sysmon File Executable Creation Detected
Triggers on any Sysmon "FileExecutableDetected" event, which triggers every time a PE that is monitored by the config is created.
windows
sysmon
title: Sysmon File Executable Creation Detected id: 693a44e9-7f26-4cb6-b787-214867672d3a status: test description: Triggers on any Sysmon "FileExecutableDetected" event, which triggers every time a PE that is monitored by the config is created. references: - https://learn.microsoft.com/en-us/sysinternals/downloads/sy...
[]
[ "defense-impairment" ]
medium
test
[ "Unlikely" ]
[ "https://learn.microsoft.com/en-us/sysinternals/downloads/sysmon", "https://medium.com/@olafhartong/sysmon-15-0-file-executable-detected-40fd64349f36" ]
EventID=29
EventID:29
null
windows/sysmon/sysmon_file_executable_detected.yml
83c17918-746e-4bd9-920b-8e098bf88c23
Azure Network Firewall Policy Modified or Deleted
Identifies when a Firewall Policy is Modified or Deleted.
azure
activitylogs
title: Azure Network Firewall Policy Modified or Deleted id: 83c17918-746e-4bd9-920b-8e098bf88c23 status: test description: Identifies when a Firewall Policy is Modified or Deleted. references: - https://learn.microsoft.com/en-us/azure/role-based-access-control/resource-provider-operations author: Austin Songer @austin...
[ "T1686.001" ]
[ "impact", "defense-impairment" ]
medium
test
[ "Firewall Policy being modified or deleted may be performed by a system administrator. Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.", "Firewall Policy modified or deleted from unfamiliar users should be investigated. If known behavior is causing false...
[ "https://learn.microsoft.com/en-us/azure/role-based-access-control/resource-provider-operations" ]
operationName IN ("MICROSOFT.NETWORK/FIREWALLPOLICIES/WRITE", "MICROSOFT.NETWORK/FIREWALLPOLICIES/JOIN/ACTION", "MICROSOFT.NETWORK/FIREWALLPOLICIES/CERTIFICATES/ACTION", "MICROSOFT.NETWORK/FIREWALLPOLICIES/DELETE")
operationName:(MICROSOFT.NETWORK\/FIREWALLPOLICIES\/WRITE OR MICROSOFT.NETWORK\/FIREWALLPOLICIES\/JOIN\/ACTION OR MICROSOFT.NETWORK\/FIREWALLPOLICIES\/CERTIFICATES\/ACTION OR MICROSOFT.NETWORK\/FIREWALLPOLICIES\/DELETE)
null
cloud/azure/activity_logs/azure_network_firewall_policy_modified_or_deleted.yml
1a4bd6e3-4c6e-405d-a9a3-53a116e341d4
USB Device Plugged
Detects plugged/unplugged USB devices
windows
driver-framework
title: USB Device Plugged id: 1a4bd6e3-4c6e-405d-a9a3-53a116e341d4 status: test description: Detects plugged/unplugged USB devices references: - https://df-stream.com/2014/01/the-windows-7-event-log-and-usb-device/ - https://www.techrepublic.com/article/how-to-track-down-usb-flash-drive-usage-in-windows-10s-event-viewe...
[ "T1200" ]
[ "initial-access" ]
low
test
[ "Legitimate administrative activity" ]
[ "https://df-stream.com/2014/01/the-windows-7-event-log-and-usb-device/", "https://www.techrepublic.com/article/how-to-track-down-usb-flash-drive-usage-in-windows-10s-event-viewer/" ]
EventID IN (2003, 2100, 2102)
EventID:(2003 OR 2100 OR 2102)
null
windows/builtin/driverframeworks/win_usb_device_plugged.yml
28ac00d6-22d9-4a3c-927f-bbd770104573
RestrictedAdminMode Registry Value Tampering - ProcCreation
Detects changes to the "DisableRestrictedAdmin" registry value in order to disable or enable RestrictedAdmin mode. RestrictedAdmin mode prevents the transmission of reusable credentials to the remote system to which you connect using Remote Desktop. This prevents your credentials from being harvested during the initial...
windows
process_creation
title: RestrictedAdminMode Registry Value Tampering - ProcCreation id: 28ac00d6-22d9-4a3c-927f-bbd770104573 related: - id: d6ce7ebd-260b-4323-9768-a9631c8d4db2 type: similar status: test description: 'Detects changes to the "DisableRestrictedAdmin" registry value in order to disable or enable RestrictedAdmin mode. ...
[ "T1112" ]
[ "persistence", "defense-impairment" ]
high
test
[ "Unknown" ]
[ "https://github.com/redcanaryco/atomic-red-team/blob/a8e3cf63e97b973a25903d3df9fd55da6252e564/atomics/T1112/T1112.md", "https://social.technet.microsoft.com/wiki/contents/articles/32905.remote-desktop-services-enable-restricted-admin-mode.aspx", "https://thedfirreport.com/2022/05/09/seo-poisoning-a-gootloader-s...
CommandLine="*\\System\\CurrentControlSet\\Control\\Lsa*" CommandLine="*DisableRestrictedAdmin*"
CommandLine:*\\System\\CurrentControlSet\\Control\\Lsa* AND CommandLine:*DisableRestrictedAdmin*
DeviceProcessEvents | where ProcessCommandLine contains "\\System\\CurrentControlSet\\Control\\Lsa" and ProcessCommandLine contains "DisableRestrictedAdmin"
windows/process_creation/proc_creation_win_reg_lsa_disable_restricted_admin.yml
459a2970-bb84-4e6a-a32e-ff0fbd99448d
Azure Key Vault Modified or Deleted
Identifies when a key vault is modified or deleted.
azure
activitylogs
title: Azure Key Vault Modified or Deleted id: 459a2970-bb84-4e6a-a32e-ff0fbd99448d status: test description: Identifies when a key vault is modified or deleted. references: - https://learn.microsoft.com/en-us/azure/role-based-access-control/resource-provider-operations author: Austin Songer @austinsonger date: 2021-08...
[ "T1552", "T1552.001" ]
[ "impact", "credential-access" ]
medium
test
[ "Key Vault being modified or deleted may be performed by a system administrator.", "Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.", "Key Vault modified or deleted from unfamiliar users should be investigated. If known behavior is causing false positi...
[ "https://learn.microsoft.com/en-us/azure/role-based-access-control/resource-provider-operations" ]
operationName IN ("MICROSOFT.KEYVAULT/VAULTS/WRITE", "MICROSOFT.KEYVAULT/VAULTS/DELETE", "MICROSOFT.KEYVAULT/VAULTS/DEPLOY/ACTION", "MICROSOFT.KEYVAULT/VAULTS/ACCESSPOLICIES/WRITE")
operationName:(MICROSOFT.KEYVAULT\/VAULTS\/WRITE OR MICROSOFT.KEYVAULT\/VAULTS\/DELETE OR MICROSOFT.KEYVAULT\/VAULTS\/DEPLOY\/ACTION OR MICROSOFT.KEYVAULT\/VAULTS\/ACCESSPOLICIES\/WRITE)
null
cloud/azure/activity_logs/azure_keyvault_modified_or_deleted.yml
2db93a3f-3249-4f73-9e68-0e77a0f8ae7e
Remote Access Tool - TacticalRMM Agent Registration to Potentially Attacker-Controlled Server
Detects TacticalRMM agent installations where the --api, --auth, and related flags are used on the command line. These parameters configure the agent to connect to a specific RMM server with authentication, client ID, and site ID. This technique could indicate a threat actor attempting to register the agent with an att...
windows
process_creation
title: Remote Access Tool - TacticalRMM Agent Registration to Potentially Attacker-Controlled Server id: 2db93a3f-3249-4f73-9e68-0e77a0f8ae7e status: experimental description: 'Detects TacticalRMM agent installations where the --api, --auth, and related flags are used on the command line. These parameters configure ...
[ "T1219", "T1105" ]
[ "command-and-control" ]
medium
experimental
[ "Legitimate system administrator deploying TacticalRMM" ]
[ "https://github.com/amidaware/tacticalrmm", "https://apophis133.medium.com/powershell-script-tactical-rmm-installation-45afb639eff3" ]
Image="*\\TacticalAgent\\tacticalrmm.exe*" CommandLine="*--api*" CommandLine="*--auth*" CommandLine="*--client-id*" CommandLine="*--site-id*" CommandLine="*--agent-type*"
Image:*\\TacticalAgent\\tacticalrmm.exe* AND (CommandLine:*\-\-api* AND CommandLine:*\-\-auth* AND CommandLine:*\-\-client\-id* AND CommandLine:*\-\-site\-id* AND CommandLine:*\-\-agent\-type*)
DeviceProcessEvents | where FolderPath contains "\\TacticalAgent\\tacticalrmm.exe" and (ProcessCommandLine contains "--api" and ProcessCommandLine contains "--auth" and ProcessCommandLine contains "--client-id" and ProcessCommandLine contains "--site-id" and ProcessCommandLine contains "--agent-type")
windows/process_creation/proc_creation_win_remote_access_tools_tacticalrmm_agent_registration_via_cli.yml
ec8c4047-fad9-416a-8c81-0f479353d7f6
Diagnostic Library Sdiageng.DLL Loaded By Msdt.EXE
Detects both of CVE-2022-30190 (Follina) and DogWalk vulnerabilities exploiting msdt.exe binary to load the "sdiageng.dll" library
windows
image_load
title: Diagnostic Library Sdiageng.DLL Loaded By Msdt.EXE id: ec8c4047-fad9-416a-8c81-0f479353d7f6 status: test description: Detects both of CVE-2022-30190 (Follina) and DogWalk vulnerabilities exploiting msdt.exe binary to load the "sdiageng.dll" library references: - https://www.securonix.com/blog/detecting-microso...
[ "T1202" ]
[ "stealth" ]
high
test
[ "Unknown" ]
[ "https://www.securonix.com/blog/detecting-microsoft-msdt-dogwalk/" ]
Image="*\\msdt.exe" ImageLoaded="*\\sdiageng.dll"
Image:*\\msdt.exe AND ImageLoaded:*\\sdiageng.dll
DeviceImageLoadEvents | where InitiatingProcessFolderPath endswith "\\msdt.exe" and FolderPath endswith "\\sdiageng.dll"
windows/image_load/image_load_dll_sdiageng_load_by_msdt.yml
1d2ab8ac-1a01-423b-9c39-001510eae8e8
Azure AD Health Service Agents Registry Keys Access
This detection uses Windows security events to detect suspicious access attempts to the registry key values and sub-keys of Azure AD Health service agents (e.g AD FS). Information from AD Health service agents can be used to potentially abuse some of the features provided by those services in the cloud (e.g. Federation...
windows
security
title: Azure AD Health Service Agents Registry Keys Access id: 1d2ab8ac-1a01-423b-9c39-001510eae8e8 status: test description: 'This detection uses Windows security events to detect suspicious access attempts to the registry key values and sub-keys of Azure AD Health service agents (e.g AD FS). Information from AD ...
[ "T1012" ]
[ "discovery" ]
medium
test
[ "Unknown" ]
[ "https://o365blog.com/post/hybridhealthagent/", "https://github.com/OTRF/Set-AuditRule/blob/c3dec5443414231714d850565d364ca73475ade5/rules/registry/aad_connect_health_service_agent.yml" ]
EventID IN (4656, 4663) ObjectType="Key" ObjectName="\\REGISTRY\\MACHINE\\SOFTWARE\\Microsoft\\ADHealthAgent" NOT (ProcessName IN ("*Microsoft.Identity.Health.Adfs.DiagnosticsAgent.exe*", "*Microsoft.Identity.Health.Adfs.InsightsService.exe*", "*Microsoft.Identity.Health.Adfs.MonitoringAgent.Startup.exe*", "*Microsoft....
((EventID:(4656 OR 4663)) AND ObjectType:Key AND ObjectName:\\REGISTRY\\MACHINE\\SOFTWARE\\Microsoft\\ADHealthAgent) AND (NOT (ProcessName:(*Microsoft.Identity.Health.Adfs.DiagnosticsAgent.exe* OR *Microsoft.Identity.Health.Adfs.InsightsService.exe* OR *Microsoft.Identity.Health.Adfs.MonitoringAgent.Startup.exe* OR *Mi...
DeviceRegistryEvents | where RegistryKey =~ "\\REGISTRY\\MACHINE\\SOFTWARE\\Microsoft\\ADHealthAgent" and (not((InitiatingProcessFolderPath contains "Microsoft.Identity.Health.Adfs.DiagnosticsAgent.exe" or InitiatingProcessFolderPath contains "Microsoft.Identity.Health.Adfs.InsightsService.exe" or InitiatingProcessFold...
windows/builtin/security/win_security_aadhealth_svc_agent_regkey_access.yml
b2309017-4235-44fe-b5af-b15363011957
Uncommon Child Process Of Defaultpack.EXE
Detects uncommon child processes of "DefaultPack.EXE" binary as a proxy to launch other programs
windows
process_creation
title: Uncommon Child Process Of Defaultpack.EXE id: b2309017-4235-44fe-b5af-b15363011957 status: test description: Detects uncommon child processes of "DefaultPack.EXE" binary as a proxy to launch other programs references: - https://lolbas-project.github.io/lolbas/OtherMSBinaries/DefaultPack/ - https://www.echotrail....
[ "T1218" ]
[ "stealth", "execution" ]
medium
test
[ "Unknown" ]
[ "https://lolbas-project.github.io/lolbas/OtherMSBinaries/DefaultPack/", "https://www.echotrail.io/insights/search/defaultpack.exe" ]
ParentImage="*\\DefaultPack.exe"
ParentImage:*\\DefaultPack.exe
DeviceProcessEvents | where InitiatingProcessFolderPath endswith "\\DefaultPack.exe"
windows/process_creation/proc_creation_win_defaultpack_uncommon_child_process.yml
e290b10b-1023-4452-a4a9-eb31a9013b3a
LOLBAS Data Exfiltration by DataSvcUtil.exe
Detects when a user performs data exfiltration by using DataSvcUtil.exe
windows
process_creation
title: LOLBAS Data Exfiltration by DataSvcUtil.exe id: e290b10b-1023-4452-a4a9-eb31a9013b3a status: test description: Detects when a user performs data exfiltration by using DataSvcUtil.exe references: - https://gist.github.com/teixeira0xfffff/837e5bfed0d1b0a29a7cb1e5dbdd9ca6 - https://learn.microsoft.com/en-us/previou...
[ "T1567" ]
[ "exfiltration" ]
medium
test
[ "DataSvcUtil.exe being used may be performed by a system administrator.", "Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.", "DataSvcUtil.exe being executed from unfamiliar users should be investigated. If known behavior is causing false positives, it ...
[ "https://gist.github.com/teixeira0xfffff/837e5bfed0d1b0a29a7cb1e5dbdd9ca6", "https://learn.microsoft.com/en-us/previous-versions/dotnet/framework/data/wcf/wcf-data-service-client-utility-datasvcutil-exe", "https://learn.microsoft.com/en-us/previous-versions/dotnet/framework/data/wcf/generating-the-data-service-...
CommandLine IN ("*/in:*", "*/out:*", "*/uri:*") Image="*\\DataSvcUtil.exe" OR OriginalFileName="DataSvcUtil.exe"
(CommandLine:(*\/in\:* OR *\/out\:* OR *\/uri\:*)) AND (Image:*\\DataSvcUtil.exe OR OriginalFileName:DataSvcUtil.exe)
DeviceProcessEvents | where (ProcessCommandLine contains "/in:" or ProcessCommandLine contains "/out:" or ProcessCommandLine contains "/uri:") and (FolderPath endswith "\\DataSvcUtil.exe" or ProcessVersionInfoOriginalFileName =~ "DataSvcUtil.exe")
windows/process_creation/proc_creation_win_lolbin_data_exfiltration_by_using_datasvcutil.yml
b3d57a5c-c92e-4b48-9a79-5f124b7cf964
MSSQL SPProcoption Set
Detects when the a stored procedure is set or cleared for automatic execution in MSSQL. A stored procedure that is set to automatic execution runs every time an instance of SQL Server is started
windows
application
title: MSSQL SPProcoption Set id: b3d57a5c-c92e-4b48-9a79-5f124b7cf964 status: test description: Detects when the a stored procedure is set or cleared for automatic execution in MSSQL. A stored procedure that is set to automatic execution runs every time an instance of SQL Server is started references: - https://www....
[]
[ "persistence" ]
high
test
[ "Legitimate use of the feature by administrators (rare)" ]
[ "https://www.netspi.com/blog/technical/network-penetration-testing/sql-server-persistence-part-1-startup-stored-procedures/", "https://learn.microsoft.com/en-us/sql/relational-databases/system-stored-procedures/sp-procoption-transact-sql?view=sql-server-ver16" ]
Provider_Name="*MSSQL*" EventID=33205 Data="*object_name:sp_procoption*" Data="*statement:EXEC*"
Provider_Name:*MSSQL* AND EventID:33205 AND (Data:*object_name\:sp_procoption* AND Data:*statement\:EXEC*)
null
windows/builtin/application/mssqlserver/win_mssql_sp_procoption_set.yml
04b60639-39c0-412a-9fbe-e82499c881a3
Windows Defender Firewall Has Been Reset To Its Default Configuration
Detects activity when Windows Defender Firewall has been reset to its default configuration
windows
firewall-as
title: Windows Defender Firewall Has Been Reset To Its Default Configuration id: 04b60639-39c0-412a-9fbe-e82499c881a3 status: test description: Detects activity when Windows Defender Firewall has been reset to its default configuration references: - https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/win...
[ "T1686.003" ]
[ "defense-impairment" ]
low
test
[]
[ "https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-r2-and-2008/dd364427(v=ws.10)" ]
EventID IN (2032, 2060)
EventID:(2032 OR 2060)
null
windows/builtin/firewall_as/win_firewall_as_reset_config.yml
9827ae57-3802-418f-994b-d5ecf5cd974b
Potential Registry Persistence Attempt Via DbgManagedDebugger
Detects the addition of the "Debugger" value to the "DbgManagedDebugger" key in order to achieve persistence. Which will get invoked when an application crashes
windows
registry_set
title: Potential Registry Persistence Attempt Via DbgManagedDebugger id: 9827ae57-3802-418f-994b-d5ecf5cd974b status: test description: Detects the addition of the "Debugger" value to the "DbgManagedDebugger" key in order to achieve persistence. Which will get invoked when an application crashes references: - https:/...
[ "T1574" ]
[ "privilege-escalation", "persistence", "execution", "stealth" ]
medium
test
[ "Legitimate use of the key to setup a debugger. Which is often the case on developers machines" ]
[ "https://www.hexacorn.com/blog/2013/09/19/beyond-good-ol-run-key-part-4/", "https://github.com/last-byte/PersistenceSniper" ]
TargetObject="*\\Microsoft\\.NETFramework\\DbgManagedDebugger" NOT Details="\"C:\\Windows\\system32\\vsjitdebugger.exe\" PID %d APPDOM %d EXTEXT \"%s\" EVTHDL %d"
TargetObject:*\\Microsoft\\.NETFramework\\DbgManagedDebugger AND (NOT Details:"\"C\:\\Windows\\system32\\vsjitdebugger.exe\" PID %d APPDOM %d EXTEXT \"%s\" EVTHDL %d")
DeviceRegistryEvents | where RegistryKey endswith "\\Microsoft\\.NETFramework\\DbgManagedDebugger" and (not(RegistryValueData =~ "\"C:\\Windows\\system32\\vsjitdebugger.exe\" PID %d APPDOM %d EXTEXT \"%s\" EVTHDL %d"))
windows/registry/registry_set/registry_set_dbgmanageddebugger_persistence.yml
c0aac16a-b1e7-4330-bab0-3c27bb4987c7
Remote Thread Creation In Mstsc.Exe From Suspicious Location
Detects remote thread creation in the "mstsc.exe" process by a process located in a potentially suspicious location. This technique is often used by attackers in order to hook some APIs used by DLLs loaded by "mstsc.exe" during RDP authentications in order to steal credentials.
windows
create_remote_thread
title: Remote Thread Creation In Mstsc.Exe From Suspicious Location id: c0aac16a-b1e7-4330-bab0-3c27bb4987c7 status: test description: 'Detects remote thread creation in the "mstsc.exe" process by a process located in a potentially suspicious location. This technique is often used by attackers in order to hook some ...
[]
[ "credential-access" ]
high
test
[ "Unknown" ]
[ "https://github.com/S12cybersecurity/RDPCredentialStealer/blob/1b8947cdd065a06c1b62e80967d3c7af895fcfed/APIHookInjectorBin/APIHookInjectorBin/Inject.h#L25" ]
TargetImage="*\\mstsc.exe" SourceImage IN ("*:\\Temp\\*", "*:\\Users\\Public\\*", "*:\\Windows\\PerfLogs\\*", "*:\\Windows\\Tasks\\*", "*:\\Windows\\Temp\\*", "*\\AppData\\Local\\Temp\\*")
TargetImage:*\\mstsc.exe AND (SourceImage:(*\:\\Temp\\* OR *\:\\Users\\Public\\* OR *\:\\Windows\\PerfLogs\\* OR *\:\\Windows\\Tasks\\* OR *\:\\Windows\\Temp\\* OR *\\AppData\\Local\\Temp\\*))
null
windows/create_remote_thread/create_remote_thread_win_mstsc_susp_location.yml
34979410-e4b5-4e5d-8cfb-389fdff05c12
Remove Immutable File Attribute
Detects usage of the 'chattr' utility to remove immutable file attribute.
linux
process_creation
title: Remove Immutable File Attribute id: 34979410-e4b5-4e5d-8cfb-389fdff05c12 related: - id: a5b977d6-8a81-4475-91b9-49dbfcd941f7 type: derived status: test description: Detects usage of the 'chattr' utility to remove immutable file attribute. references: - https://www.trendmicro.com/en_us/research/22/i/how-malicio...
[ "T1222.002" ]
[ "defense-impairment" ]
medium
test
[ "Administrator interacting with immutable files (e.g. for instance backups)." ]
[ "https://www.trendmicro.com/en_us/research/22/i/how-malicious-actors-abuse-native-linux-tools-in-their-attacks.html" ]
Image="*/chattr" CommandLine="* -i *"
Image:*\/chattr AND CommandLine:*\ \-i\ *
DeviceProcessEvents | where FolderPath endswith "/chattr" and ProcessCommandLine contains " -i "
linux/process_creation/proc_creation_lnx_chattr_immutable_removal.yml
686c0b4b-9dd3-4847-9077-d6c1bbe36fcb
Windows Defender Virus Scanning Feature Disabled
Detects disabling of the Windows Defender virus scanning feature
windows
windefend
title: Windows Defender Virus Scanning Feature Disabled id: 686c0b4b-9dd3-4847-9077-d6c1bbe36fcb related: - id: fe34868f-6e0e-4882-81f6-c43aa8f15b62 type: obsolete status: stable description: Detects disabling of the Windows Defender virus scanning feature references: - https://learn.microsoft.com/en-us/defender-endp...
[ "T1685" ]
[ "defense-impairment" ]
high
stable
[ "Unknown" ]
[ "https://learn.microsoft.com/en-us/defender-endpoint/troubleshoot-microsoft-defender-antivirus?view=o365-worldwide#event-id-5012", "https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.001/T1562.001.md", "https://craigclouditpro.wordpress.com/2020/03/04/hunt...
EventID=5012
EventID:5012
null
windows/builtin/windefend/win_defender_virus_scan_disabled.yml
95f0643a-ed40-467c-806b-aac9542ec5ab
Suspicious Get Information for SMB Share
Adversaries may look for folders and drives shared on remote systems as a means of identifying sources of information to gather as a precursor for Collection and to identify potential systems of interest for Lateral Movement. Networks often contain shared network drives and folders that enable users to access file dire...
windows
ps_script
title: Suspicious Get Information for SMB Share id: 95f0643a-ed40-467c-806b-aac9542ec5ab status: test description: 'Adversaries may look for folders and drives shared on remote systems as a means of identifying sources of information to gather as a precursor for Collection and to identify potential systems of inte...
[ "T1069.001" ]
[ "discovery" ]
low
test
[ "Unknown" ]
[ "https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1069.002/T1069.002.md" ]
ScriptBlockText="*get-smbshare*"
ScriptBlockText:*get\-smbshare*
null
windows/powershell/powershell_script/posh_ps_susp_smb_share_reco.yml
f17211f1-1f24-4d0c-829f-31e28dc93cdd
Uncommon Svchost Command Line Parameter
Detects instances of svchost.exe running with an unusual or uncommon command line parameter by excluding known legitimate or common patterns. This could point at a file masquerading as svchost, a process injection, or hollowing of a legitimate svchost instance.
windows
process_creation
title: Uncommon Svchost Command Line Parameter id: f17211f1-1f24-4d0c-829f-31e28dc93cdd status: experimental description: 'Detects instances of svchost.exe running with an unusual or uncommon command line parameter by excluding known legitimate or common patterns. This could point at a file masquerading as svchost...
[ "T1036.005", "T1055", "T1055.012" ]
[ "privilege-escalation", "stealth" ]
high
experimental
[ "Unlikely" ]
[ "https://cardinalops.com/blog/the-art-of-anomaly-hunting-patterns-detection/", "https://www.security.com/threat-intelligence/blackbyte-exbyte-ransomware", "https://cloud.google.com/blog/topics/threat-intelligence/apt41-initiates-global-intrusion-campaign-using-multiple-exploits/", "https://media.kasperskycont...
Image="*\\svchost.exe" | rex field=CommandLine "(?<CommandLineMatch>-k\\s\\w{1,64}(?:\\s?(?:-p|-s))?)" | eval CommandLineCondition=if(isnotnull(CommandLineMatch), "true", "false") | search NOT (CommandLineCondition="true" OR CommandLine="" OR NOT CommandLine=*) NOT ((ParentImage="*\\MsMpEng.exe" CommandLine="*svchost.e...
Image:*\\svchost.exe AND (NOT (CommandLine:/-k\s\w{1,64}(?:\s?(?:-p|-s))?/ OR CommandLine:"" OR (NOT _exists_:CommandLine))) AND (NOT ((ParentImage:*\\MsMpEng.exe AND CommandLine:*svchost.exe*) OR (ParentImage:*\\MRT.exe AND CommandLine:svchost.exe)))
DeviceProcessEvents | where FolderPath endswith "\\svchost.exe" and (not((ProcessCommandLine matches regex "-k\\s\\w{1,64}(?:\\s?(?:-p|-s))?" or ProcessCommandLine =~ "" or isnull(ProcessCommandLine)))) and (not(((InitiatingProcessFolderPath endswith "\\MsMpEng.exe" and ProcessCommandLine contains "svchost.exe") or (In...
windows/process_creation/proc_creation_win_svchost_uncommon_command_line_flags.yml
8622c92d-c00e-463c-b09d-fd06166f6794
Github High Risk Configuration Disabled
Detects when a user disables a critical security feature for an organization.
github
audit
title: Github High Risk Configuration Disabled id: 8622c92d-c00e-463c-b09d-fd06166f6794 status: test description: Detects when a user disables a critical security feature for an organization. references: - https://docs.github.com/en/organizations/managing-oauth-access-to-your-organizations-data/disabling-oauth-app-acce...
[ "T1556" ]
[ "credential-access", "persistence", "defense-impairment" ]
high
test
[ "Approved administrator/owner activities." ]
[ "https://docs.github.com/en/organizations/managing-oauth-access-to-your-organizations-data/disabling-oauth-app-access-restrictions-for-your-organization", "https://docs.github.com/en/organizations/keeping-your-organization-secure/managing-security-settings-for-your-organization/reviewing-the-audit-log-for-your-or...
action IN ("business_advanced_security.disabled_for_new_repos", "business_advanced_security.disabled_for_new_user_namespace_repos", "business_advanced_security.disabled", "business_advanced_security.user_namespace_repos_disabled", "org.advanced_security_disabled_for_new_repos", "org.advanced_security_disabled_on_all_re...
action:(business_advanced_security.disabled_for_new_repos OR business_advanced_security.disabled_for_new_user_namespace_repos OR business_advanced_security.disabled OR business_advanced_security.user_namespace_repos_disabled OR org.advanced_security_disabled_for_new_repos OR org.advanced_security_disabled_on_all_repos ...
null
application/github/audit/github_disable_high_risk_configuration.yml
b5de0c9a-6f19-43e0-af4e-55ad01f550af
Unsigned DLL Loaded by Windows Utility
Detects windows utilities loading an unsigned or untrusted DLL. Adversaries often abuse those programs to proxy execution of malicious code.
windows
image_load
title: Unsigned DLL Loaded by Windows Utility id: b5de0c9a-6f19-43e0-af4e-55ad01f550af status: test description: 'Detects windows utilities loading an unsigned or untrusted DLL. Adversaries often abuse those programs to proxy execution of malicious code. ' references: - https://www.elastic.co/security-labs/Huntin...
[ "T1218.011", "T1218.010" ]
[ "stealth" ]
medium
test
[ "Unknown" ]
[ "https://www.elastic.co/security-labs/Hunting-for-Suspicious-Windows-Libraries-for-Execution-and-Evasion", "https://akhere.hashnode.dev/hunting-unsigned-dlls-using-kql", "https://unit42.paloaltonetworks.com/unsigned-dlls/?web_view=true" ]
Image IN ("*\\InstallUtil.exe", "*\\RegAsm.exe", "*\\RegSvcs.exe", "*\\regsvr32.exe", "*\\rundll32.exe") NOT (Signed="true" OR SignatureStatus IN ("errorChaining", "errorCode_endpoint", "errorExpired", "trusted", "Valid") OR NOT Signed=* OR Signed IN ("", "-") OR NOT SignatureStatus=* OR SignatureStatus IN ("", "-") OR...
(Image:(*\\InstallUtil.exe OR *\\RegAsm.exe OR *\\RegSvcs.exe OR *\\regsvr32.exe OR *\\rundll32.exe)) AND (NOT (Signed:true OR (SignatureStatus:(errorChaining OR errorCode_endpoint OR errorExpired OR trusted OR Valid)) OR (NOT _exists_:Signed) OR (Signed:("" OR \-)) OR (NOT _exists_:SignatureStatus) OR (SignatureStatus...
null
windows/image_load/image_load_susp_unsigned_dll.yml
24c77512-782b-448a-8950-eddb0785fc71
SQLite Chromium Profile Data DB Access
Detect usage of the "sqlite" binary to query databases in Chromium-based browsers for potential data stealing.
windows
process_creation
title: SQLite Chromium Profile Data DB Access id: 24c77512-782b-448a-8950-eddb0785fc71 status: test description: Detect usage of the "sqlite" binary to query databases in Chromium-based browsers for potential data stealing. references: - https://github.com/redcanaryco/atomic-red-team/blob/84d9edaaaa2c5511144521b0e4af72...
[ "T1539", "T1555.003", "T1005" ]
[ "credential-access", "collection" ]
high
test
[ "Unknown" ]
[ "https://github.com/redcanaryco/atomic-red-team/blob/84d9edaaaa2c5511144521b0e4af726d1c7276ce/atomics/T1539/T1539.md#atomic-test-2---steal-chrome-cookies-windows", "https://blog.cyble.com/2022/04/21/prynt-stealer-a-new-info-stealer-performing-clipper-and-keylogger-activities/" ]
Product="SQLite" OR Image IN ("*\\sqlite.exe", "*\\sqlite3.exe") CommandLine IN ("*\\User Data\\*", "*\\Opera Software\\*", "*\\ChromiumViewer\\*") CommandLine IN ("*Login Data*", "*Cookies*", "*Web Data*", "*History*", "*Bookmarks*")
(Product:SQLite OR (Image:(*\\sqlite.exe OR *\\sqlite3.exe))) AND (CommandLine:(*\\User\ Data\\* OR *\\Opera\ Software\\* OR *\\ChromiumViewer\\*)) AND (CommandLine:(*Login\ Data* OR *Cookies* OR *Web\ Data* OR *History* OR *Bookmarks*))
DeviceProcessEvents | where (ProcessVersionInfoProductName =~ "SQLite" or (FolderPath endswith "\\sqlite.exe" or FolderPath endswith "\\sqlite3.exe")) and (ProcessCommandLine contains "\\User Data\\" or ProcessCommandLine contains "\\Opera Software\\" or ProcessCommandLine contains "\\ChromiumViewer\\") and (ProcessCom...
windows/process_creation/proc_creation_win_sqlite_chromium_profile_data.yml
c3edc6a5-d9d4-48d8-930e-aab518390917
Potential Persistence Via Outlook Form
Detects the creation of a new Outlook form which can contain malicious code
windows
file_event
title: Potential Persistence Via Outlook Form id: c3edc6a5-d9d4-48d8-930e-aab518390917 status: test description: Detects the creation of a new Outlook form which can contain malicious code references: - https://speakerdeck.com/heirhabarov/hunting-for-persistence-via-microsoft-exchange-server-or-outlook?slide=76 - https...
[ "T1137.003" ]
[ "persistence" ]
high
test
[ "Legitimate use of outlook forms" ]
[ "https://speakerdeck.com/heirhabarov/hunting-for-persistence-via-microsoft-exchange-server-or-outlook?slide=76", "https://speakerdeck.com/heirhabarov/hunting-for-persistence-via-microsoft-exchange-server-or-outlook?slide=79", "https://learn.microsoft.com/en-us/office/vba/outlook/concepts/outlook-forms/create-an...
Image="*\\outlook.exe" TargetFilename IN ("*\\AppData\\Local\\Microsoft\\FORMS\\IPM*", "*\\Local Settings\\Application Data\\Microsoft\\Forms*")
Image:*\\outlook.exe AND (TargetFilename:(*\\AppData\\Local\\Microsoft\\FORMS\\IPM* OR *\\Local\ Settings\\Application\ Data\\Microsoft\\Forms*))
DeviceFileEvents | where InitiatingProcessFolderPath endswith "\\outlook.exe" and (FolderPath contains "\\AppData\\Local\\Microsoft\\FORMS\\IPM" or FolderPath contains "\\Local Settings\\Application Data\\Microsoft\\Forms")
windows/file/file_event/file_event_win_office_outlook_newform.yml
aae1243f-d8af-40d8-ab20-33fc6d0c55bc
Suspicious Use of PsLogList
Detects usage of the PsLogList utility to dump event log in order to extract admin accounts and perform account discovery or delete events logs
windows
process_creation
title: Suspicious Use of PsLogList id: aae1243f-d8af-40d8-ab20-33fc6d0c55bc status: test description: Detects usage of the PsLogList utility to dump event log in order to extract admin accounts and perform account discovery or delete events logs references: - https://research.nccgroup.com/2021/01/12/abusing-cloud-ser...
[ "T1087", "T1087.001", "T1087.002" ]
[ "discovery" ]
medium
test
[ "Another tool that uses the command line switches of PsLogList", "Legitimate use of PsLogList by an administrator" ]
[ "https://research.nccgroup.com/2021/01/12/abusing-cloud-services-to-fly-under-the-radar/", "https://www.cybereason.com/blog/deadringer-exposing-chinese-threat-actors-targeting-major-telcos", "https://github.com/3CORESec/MAL-CL/tree/master/Descriptors/Sysinternals/PsLogList", "https://twitter.com/EricaZelic/st...
OriginalFileName="psloglist.exe" OR Image IN ("*\\psloglist.exe", "*\\psloglist64.exe", "*\\psloglist64a.exe") CommandLine IN ("* security*", "* application*", "* system*") CommandLine="* -d*" OR CommandLine="* /d*" OR CommandLine="* –d*" OR CommandLine="* —d*" OR CommandLine="* ―d*" OR CommandLine="* -x*" OR CommandLi...
(OriginalFileName:psloglist.exe OR (Image:(*\\psloglist.exe OR *\\psloglist64.exe OR *\\psloglist64a.exe))) AND (CommandLine:(*\ security* OR *\ application* OR *\ system*)) AND (CommandLine:(*\ \-d* OR *\ \/d* OR *\ –d* OR *\ —d* OR *\ ―d*) OR CommandLine:(*\ \-x* OR *\ \/x* OR *\ –x* OR *\ —x* OR *\ ―x*) OR CommandLi...
DeviceProcessEvents | where (ProcessVersionInfoOriginalFileName =~ "psloglist.exe" or (FolderPath endswith "\\psloglist.exe" or FolderPath endswith "\\psloglist64.exe" or FolderPath endswith "\\psloglist64a.exe")) and (ProcessCommandLine contains " security" or ProcessCommandLine contains " application" or ProcessComma...
windows/process_creation/proc_creation_win_sysinternals_psloglist.yml
3735d5ac-d770-4da0-99ff-156b180bc600
Potential CCleanerReactivator.DLL Sideloading
Detects potential DLL sideloading of "CCleanerReactivator.dll"
windows
image_load
title: Potential CCleanerReactivator.DLL Sideloading id: 3735d5ac-d770-4da0-99ff-156b180bc600 status: test description: Detects potential DLL sideloading of "CCleanerReactivator.dll" references: - https://lab52.io/blog/2344-2/ author: X__Junior date: 2023-07-13 tags: - attack.persistence - attack.privilege-escalation -...
[ "T1574.001" ]
[ "persistence", "privilege-escalation", "execution", "stealth" ]
medium
test
[ "False positives could occur from other custom installation paths. Apply additional filters accordingly." ]
[ "https://lab52.io/blog/2344-2/" ]
ImageLoaded="*\\CCleanerReactivator.dll" NOT (Image IN ("C:\\Program Files\\CCleaner\\*", "C:\\Program Files (x86)\\CCleaner\\*") Image="*\\CCleanerReactivator.exe")
ImageLoaded:*\\CCleanerReactivator.dll AND (NOT ((Image:(C\:\\Program\ Files\\CCleaner\\* OR C\:\\Program\ Files\ \(x86\)\\CCleaner\\*)) AND Image:*\\CCleanerReactivator.exe))
DeviceImageLoadEvents | where FolderPath endswith "\\CCleanerReactivator.dll" and (not(((InitiatingProcessFolderPath startswith "C:\\Program Files\\CCleaner\\" or InitiatingProcessFolderPath startswith "C:\\Program Files (x86)\\CCleaner\\") and InitiatingProcessFolderPath endswith "\\CCleanerReactivator.exe")))
windows/image_load/image_load_side_load_ccleaner_reactivator.yml
d7329412-13bd-44ba-a072-3387f804a106
Guest Account Enabled Via Sysadminctl
Detects attempts to enable the guest account using the sysadminctl utility
macos
process_creation
title: Guest Account Enabled Via Sysadminctl id: d7329412-13bd-44ba-a072-3387f804a106 status: test description: Detects attempts to enable the guest account using the sysadminctl utility references: - https://ss64.com/osx/sysadminctl.html author: Sohan G (D4rkCiph3r) date: 2023-02-18 tags: - attack.privilege-escalation...
[ "T1078", "T1078.001" ]
[ "privilege-escalation", "persistence", "initial-access", "stealth" ]
low
test
[ "Unknown" ]
[ "https://ss64.com/osx/sysadminctl.html" ]
Image="*/sysadminctl" CommandLine="* -guestAccount*" CommandLine="* on*"
Image:*\/sysadminctl AND (CommandLine:*\ \-guestAccount* AND CommandLine:*\ on*)
DeviceProcessEvents | where FolderPath endswith "/sysadminctl" and (ProcessCommandLine contains " -guestAccount" and ProcessCommandLine contains " on")
macos/process_creation/proc_creation_macos_sysadminctl_enable_guest_account.yml
84b1ecf9-6eff-4004-bafb-bae5c0e251b2
Potentially Suspicious GoogleUpdate Child Process
Detects potentially suspicious child processes of "GoogleUpdate.exe"
windows
process_creation
title: Potentially Suspicious GoogleUpdate Child Process id: 84b1ecf9-6eff-4004-bafb-bae5c0e251b2 related: - id: bdbab15a-3826-48fa-a1b7-723cd8f32fcc type: derived status: test description: Detects potentially suspicious child processes of "GoogleUpdate.exe" references: - https://www.ncsc.gov.uk/static-assets/documen...
[]
[ "stealth" ]
high
test
[ "Unknown" ]
[ "https://www.ncsc.gov.uk/static-assets/documents/malware-analysis-reports/goofy-guineapig/NCSC-MAR-Goofy-Guineapig.pdf" ]
ParentImage="*\\GoogleUpdate.exe" NOT (Image="*\\Google*" OR Image IN ("*\\setup.exe", "*chrome_updater.exe", "*chrome_installer.exe") OR NOT Image=*)
ParentImage:*\\GoogleUpdate.exe AND (NOT ((Image:*\\Google* OR (Image:(*\\setup.exe OR *chrome_updater.exe OR *chrome_installer.exe))) OR (NOT _exists_:Image)))
DeviceProcessEvents | where InitiatingProcessFolderPath endswith "\\GoogleUpdate.exe" and (not(((FolderPath contains "\\Google" or (FolderPath endswith "\\setup.exe" or FolderPath endswith "chrome_updater.exe" or FolderPath endswith "chrome_installer.exe")) or isnull(FolderPath))))
windows/process_creation/proc_creation_win_googleupdate_susp_child_process.yml
ebea773c-a8f1-42ad-a856-00cb221966e8
DLL Sideloading by VMware Xfer Utility
Detects execution of VMware Xfer utility (VMwareXferlogs.exe) from the non-default directory which may be an attempt to sideload arbitrary DLL
windows
process_creation
title: DLL Sideloading by VMware Xfer Utility id: ebea773c-a8f1-42ad-a856-00cb221966e8 status: test description: Detects execution of VMware Xfer utility (VMwareXferlogs.exe) from the non-default directory which may be an attempt to sideload arbitrary DLL references: - https://www.sentinelone.com/labs/lockbit-ransomw...
[ "T1574.001" ]
[ "privilege-escalation", "persistence", "execution", "stealth" ]
high
test
[ "Unlikely" ]
[ "https://www.sentinelone.com/labs/lockbit-ransomware-side-loads-cobalt-strike-beacon-with-legitimate-vmware-utility/" ]
Image="*\\VMwareXferlogs.exe" NOT Image="C:\\Program Files\\VMware\\*"
Image:*\\VMwareXferlogs.exe AND (NOT Image:C\:\\Program\ Files\\VMware\\*)
DeviceProcessEvents | where FolderPath endswith "\\VMwareXferlogs.exe" and (not(FolderPath startswith "C:\\Program Files\\VMware\\"))
windows/process_creation/proc_creation_win_dll_sideload_vmware_xfer.yml
be58d2e2-06c8-4f58-b666-b99f6dc3b6cd
Suspicious Process Masquerading As SvcHost.EXE
Detects a suspicious process that is masquerading as the legitimate "svchost.exe" by naming its binary "svchost.exe" and executing from an uncommon location. Adversaries often disguise their malicious binaries by naming them after legitimate system processes like "svchost.exe" to evade detection.
windows
process_creation
title: Suspicious Process Masquerading As SvcHost.EXE id: be58d2e2-06c8-4f58-b666-b99f6dc3b6cd related: - id: 01d2e2a1-5f09-44f7-9fc1-24faa7479b6d type: similar - id: e4a6b256-3e47-40fc-89d2-7a477edd6915 type: similar status: test description: 'Detects a suspicious process that is masquerading as the legitimate "sv...
[ "T1036.005" ]
[ "stealth" ]
high
test
[ "Unlikely" ]
[ "https://tria.ge/240731-jh4crsycnb/behavioral2", "https://redcanary.com/blog/threat-detection/process-masquerading/" ]
Image="*\\svchost.exe" NOT (Image IN ("C:\\Windows\\System32\\svchost.exe", "C:\\Windows\\SysWOW64\\svchost.exe") OR OriginalFileName="svchost.exe")
Image:*\\svchost.exe AND (NOT ((Image:(C\:\\Windows\\System32\\svchost.exe OR C\:\\Windows\\SysWOW64\\svchost.exe)) OR OriginalFileName:svchost.exe))
DeviceProcessEvents | where FolderPath endswith "\\svchost.exe" and (not(((FolderPath in~ ("C:\\Windows\\System32\\svchost.exe", "C:\\Windows\\SysWOW64\\svchost.exe")) or ProcessVersionInfoOriginalFileName =~ "svchost.exe")))
windows/process_creation/proc_creation_win_svchost_masqueraded_execution.yml
8cd538a4-62d5-4e83-810b-12d41e428d6e
Processes Accessing the Microphone and Webcam
Potential adversaries accessing the microphone and webcam in an endpoint.
windows
security
title: Processes Accessing the Microphone and Webcam id: 8cd538a4-62d5-4e83-810b-12d41e428d6e status: test description: Potential adversaries accessing the microphone and webcam in an endpoint. references: - https://twitter.com/duzvik/status/1269671601852813320 - https://medium.com/@7a616368/can-you-track-processes-acc...
[ "T1123" ]
[ "collection" ]
medium
test
[ "Unknown" ]
[ "https://twitter.com/duzvik/status/1269671601852813320", "https://medium.com/@7a616368/can-you-track-processes-accessing-the-camera-and-microphone-7e6885b37072" ]
EventID IN (4657, 4656, 4663) ObjectName IN ("*\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\CapabilityAccessManager\\ConsentStore\\microphone\\NonPackaged*", "*\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\CapabilityAccessManager\\ConsentStore\\webcam\\NonPackaged*")
(EventID:(4657 OR 4656 OR 4663)) AND (ObjectName:(*\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\CapabilityAccessManager\\ConsentStore\\microphone\\NonPackaged* OR *\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\CapabilityAccessManager\\ConsentStore\\webcam\\NonPackaged*))
DeviceRegistryEvents | where RegistryKey contains "\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\CapabilityAccessManager\\ConsentStore\\microphone\\NonPackaged" or RegistryKey contains "\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\CapabilityAccessManager\\ConsentStore\\webcam\\NonPackaged"
windows/builtin/security/win_security_camera_microphone_access.yml
3d48c9d3-1aa6-418d-98d3-8fd3c01a564e
Potential Mftrace.EXE Abuse
Detects child processes of the "Trace log generation tool for Media Foundation Tools" (Mftrace.exe) which can abused to execute arbitrary binaries.
windows
process_creation
title: Potential Mftrace.EXE Abuse id: 3d48c9d3-1aa6-418d-98d3-8fd3c01a564e status: test description: Detects child processes of the "Trace log generation tool for Media Foundation Tools" (Mftrace.exe) which can abused to execute arbitrary binaries. references: - https://lolbas-project.github.io/lolbas/OtherMSBinarie...
[ "T1127" ]
[ "execution", "stealth" ]
medium
test
[ "Legitimate use for tracing purposes" ]
[ "https://lolbas-project.github.io/lolbas/OtherMSBinaries/Mftrace/" ]
ParentImage="*\\mftrace.exe"
ParentImage:*\\mftrace.exe
DeviceProcessEvents | where InitiatingProcessFolderPath endswith "\\mftrace.exe"
windows/process_creation/proc_creation_win_mftrace_child_process.yml
7f4c43f9-b1a5-4c7d-b24a-b41bf3a3ebf2
Registry Tampering by Potentially Suspicious Processes
Detects suspicious registry modifications made by suspicious processes such as script engine processes such as WScript, or CScript etc. These processes are rarely used for legitimate registry modifications, and their activity may indicate an attempt to modify the registry without using standard tools like regedit.exe o...
windows
registry_event
title: Registry Tampering by Potentially Suspicious Processes id: 7f4c43f9-b1a5-4c7d-b24a-b41bf3a3ebf2 related: - id: 2a0a169d-cc66-43ce-9ae2-6e678e54e46a type: similar - id: 921aa10f-2e74-4cca-9498-98f9ca4d6fdf type: similar status: experimental description: 'Detects suspicious registry modifications made by suspi...
[ "T1112", "T1059.005" ]
[ "persistence", "execution", "defense-impairment" ]
medium
experimental
[ "Some legitimate admin or install scripts may use these processes for registry modifications." ]
[ "https://www.nextron-systems.com/2025/07/29/detecting-the-most-popular-mitre-persistence-method-registry-run-keys-startup-folder/", "https://www.linkedin.com/posts/mauricefielenbach_livingofftheland-redteam-persistence-activity-7344801774182051843-TE00/" ]
Image IN ("*\\mshta.exe", "*\\wscript.exe", "*\\cscript.exe") NOT (Details="Binary Data" OR NOT Details=* OR (Image="*\\wscript.exe" TargetObject IN ("*SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Notifications\\Data\\*", "*\\Services\\bam\\State\\UserSettings\\S-1-*", "*Software\\Microsoft\\Windows Script\\Setting...
(Image:(*\\mshta.exe OR *\\wscript.exe OR *\\cscript.exe)) AND (NOT (Details:"Binary Data" OR (NOT _exists_:Details) OR (Image:*\\wscript.exe AND (TargetObject:(*SOFTWARE\\Microsoft\\Windows\ NT\\CurrentVersion\\Notifications\\Data\\* OR *\\Services\\bam\\State\\UserSettings\\S\-1\-* OR *Software\\Microsoft\\Windows\ S...
DeviceRegistryEvents | where (InitiatingProcessFolderPath endswith "\\mshta.exe" or InitiatingProcessFolderPath endswith "\\wscript.exe" or InitiatingProcessFolderPath endswith "\\cscript.exe") and (not((RegistryValueData =~ "Binary Data" or isnull(RegistryValueData) or (InitiatingProcessFolderPath endswith "\\wscript....
windows/registry/registry_event/registry_event_susp_process_registry_modification.yml
85de1f22-d189-44e4-8239-dc276b45379b
Curl Web Request With Potential Custom User-Agent
Detects execution of "curl.exe" with a potential custom "User-Agent". Attackers can leverage this to download or exfiltrate data via "curl" to a domain that only accept specific "User-Agent" strings
windows
process_creation
title: Curl Web Request With Potential Custom User-Agent id: 85de1f22-d189-44e4-8239-dc276b45379b status: test description: Detects execution of "curl.exe" with a potential custom "User-Agent". Attackers can leverage this to download or exfiltrate data via "curl" to a domain that only accept specific "User-Agent" str...
[]
[ "execution" ]
medium
test
[ "Unknown" ]
[ "https://labs.withsecure.com/publications/fin7-target-veeam-servers", "https://github.com/WithSecureLabs/iocs/blob/344203de742bb7e68bd56618f66d34be95a9f9fc/FIN7VEEAM/iocs.csv" ]
Image="*\\curl.exe" | rex field=CommandLine "(?<CommandLineMatch>\\s-H\\s)" | eval CommandLineCondition=if(isnotnull(CommandLineMatch), "true", "false") | search OR OriginalFileName="curl.exe" CommandLineCondition="true" OR CommandLine="*--header*" CommandLine="*User-Agent:*"
(Image:*\\curl.exe OR OriginalFileName:curl.exe) AND (CommandLine:/\s-H\s/ OR CommandLine:*\-\-header*) AND CommandLine:*User\-Agent\:*
DeviceProcessEvents | where (FolderPath endswith "\\curl.exe" or ProcessVersionInfoOriginalFileName =~ "curl.exe") and (ProcessCommandLine matches regex "\\s-H\\s" or ProcessCommandLine contains "--header") and ProcessCommandLine contains "User-Agent:"
windows/process_creation/proc_creation_win_curl_custom_user_agent.yml
79609c82-a488-426e-abcf-9f341a39365d
All Rules Have Been Deleted From The Windows Firewall Configuration
Detects when a all the rules have been deleted from the Windows Defender Firewall configuration
windows
firewall-as
title: All Rules Have Been Deleted From The Windows Firewall Configuration id: 79609c82-a488-426e-abcf-9f341a39365d status: test description: Detects when a all the rules have been deleted from the Windows Defender Firewall configuration references: - https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/w...
[ "T1686.003" ]
[ "defense-impairment" ]
high
test
[]
[ "https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-r2-and-2008/dd364427(v=ws.10)" ]
EventID IN (2033, 2059) NOT ModifyingApplication="*:\\Windows\\System32\\svchost.exe" NOT (ModifyingApplication="*:\\ProgramData\\Microsoft\\Windows Defender\\Platform\\*" ModifyingApplication="*\\MsMpEng.exe*")
(EventID:(2033 OR 2059)) AND (NOT ModifyingApplication:*\:\\Windows\\System32\\svchost.exe) AND (NOT (ModifyingApplication:*\:\\ProgramData\\Microsoft\\Windows\ Defender\\Platform\\* AND ModifyingApplication:*\\MsMpEng.exe*))
null
windows/builtin/firewall_as/win_firewall_as_delete_all_rules.yml
16ab6143-510a-44e2-a615-bdb80b8317fc
Bitbucket Global SSH Settings Changed
Detects Bitbucket global SSH access configuration changes.
bitbucket
audit
title: Bitbucket Global SSH Settings Changed id: 16ab6143-510a-44e2-a615-bdb80b8317fc status: test description: Detects Bitbucket global SSH access configuration changes. references: - https://confluence.atlassian.com/bitbucketserver/audit-log-events-776640423.html - https://confluence.atlassian.com/bitbucketserver/ena...
[ "T1685", "T1021.004" ]
[ "lateral-movement", "defense-impairment" ]
medium
test
[ "Legitimate user activity." ]
[ "https://confluence.atlassian.com/bitbucketserver/audit-log-events-776640423.html", "https://confluence.atlassian.com/bitbucketserver/enable-ssh-access-to-git-repositories-776640358.html" ]
auditType.category="Global administration" auditType.action="SSH settings changed"
auditType.category:"Global administration" AND auditType.action:"SSH settings changed"
null
application/bitbucket/audit/bitbucket_audit_global_ssh_settings_change_detected.yml
0ed75b9c-c73b-424d-9e7d-496cd565fbe0
Security Software Discovery - MacOs
Detects usage of system utilities (only grep for now) to discover security software discovery
macos
process_creation
title: Security Software Discovery - MacOs id: 0ed75b9c-c73b-424d-9e7d-496cd565fbe0 status: test description: Detects usage of system utilities (only grep for now) to discover security software discovery references: - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T...
[ "T1518.001" ]
[ "discovery" ]
medium
test
[ "Legitimate activities" ]
[ "https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1518.001/T1518.001.md" ]
Image="/usr/bin/grep" CommandLine IN ("*nessusd*", "*santad*", "*CbDefense*", "*falcond*", "*td-agent*", "*packetbeat*", "*filebeat*", "*auditbeat*", "*osqueryd*", "*BlockBlock*", "*LuLu*") OR (CommandLine="*Little*" CommandLine="*Snitch*")
Image:\/usr\/bin\/grep AND ((CommandLine:(*nessusd* OR *santad* OR *CbDefense* OR *falcond* OR *td\-agent* OR *packetbeat* OR *filebeat* OR *auditbeat* OR *osqueryd* OR *BlockBlock* OR *LuLu*)) OR (CommandLine:*Little* AND CommandLine:*Snitch*))
DeviceProcessEvents | where FolderPath =~ "/usr/bin/grep" and ((ProcessCommandLine contains "nessusd" or ProcessCommandLine contains "santad" or ProcessCommandLine contains "CbDefense" or ProcessCommandLine contains "falcond" or ProcessCommandLine contains "td-agent" or ProcessCommandLine contains "packetbeat" or Proce...
macos/process_creation/proc_creation_macos_security_software_discovery.yml
4bf943c6-5146-4273-98dd-e958fd1e3abf
Invoke-Obfuscation Obfuscated IEX Invocation
Detects all variations of obfuscated powershell IEX invocation code generated by Invoke-Obfuscation framework from the following code block
windows
process_creation
title: Invoke-Obfuscation Obfuscated IEX Invocation id: 4bf943c6-5146-4273-98dd-e958fd1e3abf status: test description: Detects all variations of obfuscated powershell IEX invocation code generated by Invoke-Obfuscation framework from the following code block references: - https://github.com/danielbohannon/Invoke-Obfu...
[ "T1027", "T1059.001" ]
[ "stealth", "execution" ]
high
test
[ "Unknown" ]
[ "https://github.com/danielbohannon/Invoke-Obfuscation/blob/f20e7f843edd0a3a7716736e9eddfa423395dd26/Out-ObfuscatedStringCommand.ps1#L873-L888" ]
| rex field=CommandLine "(?<CommandLineMatch>\\$PSHome\\[\\s*\\d{1,3}\\s*\\]\\s*\\+\\s*\\$PSHome\\[)" | eval CommandLineCondition=if(isnotnull(CommandLineMatch), "true", "false") | rex field=CommandLine "(?<CommandLineMatch2>\\$ShellId\\[\\s*\\d{1,3}\\s*\\]\\s*\\+\\s*\\$ShellId\\[)" | eval CommandLineCondition2=if(isn...
CommandLine:/\$PSHome\[\s*\d{1,3}\s*\]\s*\+\s*\$PSHome\[/ OR CommandLine:/\$ShellId\[\s*\d{1,3}\s*\]\s*\+\s*\$ShellId\[/ OR CommandLine:/\$env:Public\[\s*\d{1,3}\s*\]\s*\+\s*\$env:Public\[/ OR CommandLine:/\$env:ComSpec\[(?:\s*\d{1,3}\s*,){2}/ OR CommandLine:/\*mdr\*\W\s*\)\.Name/ OR CommandLine:/\$VerbosePreference\.T...
DeviceProcessEvents | where ProcessCommandLine matches regex "\\$PSHome\\[\\s*\\d{1,3}\\s*\\]\\s*\\+\\s*\\$PSHome\\[" or ProcessCommandLine matches regex "\\$ShellId\\[\\s*\\d{1,3}\\s*\\]\\s*\\+\\s*\\$ShellId\\[" or ProcessCommandLine matches regex "\\$env:Public\\[\\s*\\d{1,3}\\s*\\]\\s*\\+\\s*\\$env:Public\\[" or Pro...
windows/process_creation/proc_creation_win_hktl_invoke_obfuscation_obfuscated_iex_commandline.yml
4f154fb6-27d1-4813-a759-78b93e0b9c48
Operator Bloopers Cobalt Strike Modules
Detects Cobalt Strike module/commands accidentally entered in CMD shell
windows
process_creation
title: Operator Bloopers Cobalt Strike Modules id: 4f154fb6-27d1-4813-a759-78b93e0b9c48 related: - id: 647c7b9e-d784-4fda-b9a0-45c565a7b729 type: similar status: test description: Detects Cobalt Strike module/commands accidentally entered in CMD shell references: - https://hstechdocs.helpsystems.com/manuals/cobaltstr...
[ "T1059.003" ]
[ "execution" ]
high
test
[ "Unknown" ]
[ "https://hstechdocs.helpsystems.com/manuals/cobaltstrike/current/userguide/content/cobalt-4-5-user-guide.pdf", "https://thedfirreport.com/2021/10/04/bazarloader-and-the-conti-leaks/", "https://thedfirreport.com/2022/06/16/sans-ransomware-summit-2022-can-you-detect-this/" ]
OriginalFileName="Cmd.Exe" OR Image="*\\cmd.exe" CommandLine IN ("*Invoke-UserHunter*", "*Invoke-ShareFinder*", "*Invoke-Kerberoast*", "*Invoke-SMBAutoBrute*", "*Invoke-Nightmare*", "*zerologon*", "*av_query*")
(OriginalFileName:Cmd.Exe OR Image:*\\cmd.exe) AND (CommandLine:(*Invoke\-UserHunter* OR *Invoke\-ShareFinder* OR *Invoke\-Kerberoast* OR *Invoke\-SMBAutoBrute* OR *Invoke\-Nightmare* OR *zerologon* OR *av_query*))
DeviceProcessEvents | where (ProcessVersionInfoOriginalFileName =~ "Cmd.Exe" or FolderPath endswith "\\cmd.exe") and (ProcessCommandLine contains "Invoke-UserHunter" or ProcessCommandLine contains "Invoke-ShareFinder" or ProcessCommandLine contains "Invoke-Kerberoast" or ProcessCommandLine contains "Invoke-SMBAutoBrute...
windows/process_creation/proc_creation_win_hktl_cobaltstrike_bloopers_modules.yml
9e716b33-63b2-46da-86a4-bd3c3b9b5dfb
Certificate Exported Via PowerShell
Detects calls to cmdlets that are used to export certificates from the local certificate store. Threat actors were seen abusing this to steal private keys from compromised machines.
windows
process_creation
title: Certificate Exported Via PowerShell id: 9e716b33-63b2-46da-86a4-bd3c3b9b5dfb related: - id: aa7a3fce-bef5-4311-9cc1-5f04bb8c308c type: similar status: test description: Detects calls to cmdlets that are used to export certificates from the local certificate store. Threat actors were seen abusing this to stea...
[ "T1552.004", "T1059.001" ]
[ "credential-access", "execution" ]
medium
test
[ "Legitimate certificate exports by administrators. Additional filters might be required." ]
[ "https://us-cert.cisa.gov/ncas/analysis-reports/ar21-112a", "https://learn.microsoft.com/en-us/powershell/module/pki/export-pfxcertificate?view=windowsserver2022-ps", "https://www.splunk.com/en_us/blog/security/breaking-the-chain-defending-against-certificate-services-abuse.html" ]
CommandLine IN ("*Export-PfxCertificate *", "*Export-Certificate *")
CommandLine:(*Export\-PfxCertificate\ * OR *Export\-Certificate\ *)
DeviceProcessEvents | where ProcessCommandLine contains "Export-PfxCertificate " or ProcessCommandLine contains "Export-Certificate "
windows/process_creation/proc_creation_win_powershell_export_certificate.yml
ab37a6ec-6068-432b-a64e-2c7bf95b1d22
Scripting/CommandLine Process Spawned Regsvr32
Detects various command line and scripting engines/processes such as "PowerShell", "Wscript", "Cmd", etc. spawning a "regsvr32" instance.
windows
process_creation
title: Scripting/CommandLine Process Spawned Regsvr32 id: ab37a6ec-6068-432b-a64e-2c7bf95b1d22 related: - id: 8e2b24c9-4add-46a0-b4bb-0057b4e6187d type: obsolete status: test description: Detects various command line and scripting engines/processes such as "PowerShell", "Wscript", "Cmd", etc. spawning a "regsvr32" ...
[ "T1218.010" ]
[ "stealth" ]
medium
test
[ "Legitimate \".bat\", \".hta\", \".ps1\" or \".vbs\" scripts leverage legitimately often. Apply additional filter and exclusions as necessary", "Some legitimate Windows services" ]
[ "https://web.archive.org/web/20171001085340/https://subt0x10.blogspot.com/2017/04/bypass-application-whitelisting-script.html", "https://app.any.run/tasks/34221348-072d-4b70-93f3-aa71f6ebecad/" ]
ParentImage IN ("*\\cmd.exe", "*\\cscript.exe", "*\\mshta.exe", "*\\powershell_ise.exe", "*\\powershell.exe", "*\\pwsh.exe", "*\\wscript.exe") Image="*\\regsvr32.exe" NOT (ParentImage="C:\\Windows\\System32\\cmd.exe" CommandLine="* /s C:\\Windows\\System32\\RpcProxy\\RpcProxy.dll")
((ParentImage:(*\\cmd.exe OR *\\cscript.exe OR *\\mshta.exe OR *\\powershell_ise.exe OR *\\powershell.exe OR *\\pwsh.exe OR *\\wscript.exe)) AND Image:*\\regsvr32.exe) AND (NOT (ParentImage:C\:\\Windows\\System32\\cmd.exe AND CommandLine:*\ \/s\ C\:\\Windows\\System32\\RpcProxy\\RpcProxy.dll))
DeviceProcessEvents | where ((InitiatingProcessFolderPath endswith "\\cmd.exe" or InitiatingProcessFolderPath endswith "\\cscript.exe" or InitiatingProcessFolderPath endswith "\\mshta.exe" or InitiatingProcessFolderPath endswith "\\powershell_ise.exe" or InitiatingProcessFolderPath endswith "\\powershell.exe" or Initia...
windows/process_creation/proc_creation_win_regsvr32_susp_parent.yml
9cfc00b6-bfb7-49ce-9781-ef78503154bb
Wlrmdr.EXE Uncommon Argument Or Child Process
Detects the execution of "Wlrmdr.exe" with the "-u" command line flag which allows anything passed to it to be an argument of the ShellExecute API, which would allow an attacker to execute arbitrary binaries. This detection also focuses on any uncommon child processes spawned from "Wlrmdr.exe" as a supplement for those...
windows
process_creation
title: Wlrmdr.EXE Uncommon Argument Or Child Process id: 9cfc00b6-bfb7-49ce-9781-ef78503154bb status: experimental description: 'Detects the execution of "Wlrmdr.exe" with the "-u" command line flag which allows anything passed to it to be an argument of the ShellExecute API, which would allow an attacker to execute ...
[ "T1218" ]
[ "stealth" ]
medium
experimental
[ "Unknown" ]
[ "https://twitter.com/0gtweet/status/1493963591745220608?s=20&t=xUg9DsZhJy1q9bPTUWgeIQ", "https://lolbas-project.github.io/lolbas/Binaries/Wlrmdr/" ]
ParentImage="*\\wlrmdr.exe" OR (Image="*\\wlrmdr.exe" OR OriginalFileName="WLRMNDR.EXE" CommandLine="*-s *" OR CommandLine="*/s *" OR CommandLine="*–s *" OR CommandLine="*—s *" OR CommandLine="*―s *" CommandLine="*-f *" OR CommandLine="*/f *" OR CommandLine="*–f *" OR CommandLine="*—f *" OR CommandLine="*―f *" CommandL...
ParentImage:*\\wlrmdr.exe OR (((Image:*\\wlrmdr.exe OR OriginalFileName:WLRMNDR.EXE) AND CommandLine:(*\-s\ * OR *\/s\ * OR *–s\ * OR *—s\ * OR *―s\ *) AND CommandLine:(*\-f\ * OR *\/f\ * OR *–f\ * OR *—f\ * OR *―f\ *) AND CommandLine:(*\-t\ * OR *\/t\ * OR *–t\ * OR *—t\ * OR *―t\ *) AND CommandLine:(*\-m\ * OR *\/m\ ...
DeviceProcessEvents | where InitiatingProcessFolderPath endswith "\\wlrmdr.exe" or (((FolderPath endswith "\\wlrmdr.exe" or ProcessVersionInfoOriginalFileName =~ "WLRMNDR.EXE") and (ProcessCommandLine contains "-s " or ProcessCommandLine contains "/s " or ProcessCommandLine contains "–s " or ProcessCommandLine contains...
windows/process_creation/proc_creation_win_wlrmdr_uncommon_child_process.yml
b7b19cb6-9b32-4fc4-a108-73f19acfe262
Suspicious VBoxDrvInst.exe Parameters
Detect VBoxDrvInst.exe run with parameters allowing processing INF file. This allows to create values in the registry and install drivers. For example one could use this technique to obtain persistence via modifying one of Run or RunOnce registry keys
windows
process_creation
title: Suspicious VBoxDrvInst.exe Parameters id: b7b19cb6-9b32-4fc4-a108-73f19acfe262 status: test description: 'Detect VBoxDrvInst.exe run with parameters allowing processing INF file. This allows to create values in the registry and install drivers. For example one could use this technique to obtain persistence...
[ "T1112" ]
[ "persistence", "defense-impairment" ]
medium
test
[ "Legitimate use of VBoxDrvInst.exe utility by VirtualBox Guest Additions installation process" ]
[ "https://github.com/LOLBAS-Project/LOLBAS/blob/4db780e0f0b2e2bb8cb1fa13e09196da9b9f1834/yml/LOLUtilz/OtherBinaries/VBoxDrvInst.yml", "https://twitter.com/pabraeken/status/993497996179492864" ]
Image="*\\VBoxDrvInst.exe" CommandLine="*driver*" CommandLine="*executeinf*"
Image:*\\VBoxDrvInst.exe AND (CommandLine:*driver* AND CommandLine:*executeinf*)
DeviceProcessEvents | where FolderPath endswith "\\VBoxDrvInst.exe" and (ProcessCommandLine contains "driver" and ProcessCommandLine contains "executeinf")
windows/process_creation/proc_creation_win_virtualbox_vboxdrvinst_execution.yml
bcfcc962-0e4a-4fd9-84bb-a833e672df3f
Azure Virtual Network Modified or Deleted
Identifies when a Virtual Network is modified or deleted in Azure.
azure
activitylogs
title: Azure Virtual Network Modified or Deleted id: bcfcc962-0e4a-4fd9-84bb-a833e672df3f status: test description: Identifies when a Virtual Network is modified or deleted in Azure. references: - https://learn.microsoft.com/en-us/azure/role-based-access-control/resource-provider-operations author: Austin Songer @austi...
[]
[ "impact" ]
medium
test
[ "Virtual Network being modified or deleted may be performed by a system administrator. Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.", "Virtual Network modified or deleted from unfamiliar users should be investigated. If known behavior is causing false...
[ "https://learn.microsoft.com/en-us/azure/role-based-access-control/resource-provider-operations" ]
operationName IN ("MICROSOFT.NETWORK/VIRTUALNETWORKGATEWAYS/*", "MICROSOFT.NETWORK/VIRTUALNETWORKS/*") operationName IN ("*/WRITE", "*/DELETE")
(operationName:(MICROSOFT.NETWORK\/VIRTUALNETWORKGATEWAYS\/* OR MICROSOFT.NETWORK\/VIRTUALNETWORKS\/*)) AND (operationName:(*\/WRITE OR *\/DELETE))
null
cloud/azure/activity_logs/azure_virtual_network_modified_or_deleted.yml
34d81081-03c9-4a7f-91c9-5e46af625cde
Bitbucket Unauthorized Full Data Export Triggered
Detects when full data export is attempted an unauthorized user.
bitbucket
audit
title: Bitbucket Unauthorized Full Data Export Triggered id: 34d81081-03c9-4a7f-91c9-5e46af625cde status: test description: Detects when full data export is attempted an unauthorized user. references: - https://confluence.atlassian.com/bitbucketserver/audit-log-events-776640423.html - https://confluence.atlassian.com/b...
[ "T1213.003", "T1586" ]
[ "collection", "resource-development" ]
critical
test
[ "Unlikely" ]
[ "https://confluence.atlassian.com/bitbucketserver/audit-log-events-776640423.html", "https://confluence.atlassian.com/bitbucketserver/secret-scanning-1157471613.html" ]
auditType.category="Data pipeline" auditType.action="Unauthorized full data export triggered"
auditType.category:"Data pipeline" AND auditType.action:"Unauthorized full data export triggered"
null
application/bitbucket/audit/bitbucket_audit_unauthorized_full_data_export_triggered.yml
c8e35e96-19ce-4f16-aeb6-fd5588dc5365
Suspicious Named Error
Detects suspicious DNS error messages that indicate a fatal or suspicious error that could be caused by exploiting attempts
linux
syslog
title: Suspicious Named Error id: c8e35e96-19ce-4f16-aeb6-fd5588dc5365 status: test description: Detects suspicious DNS error messages that indicate a fatal or suspicious error that could be caused by exploiting attempts references: - https://github.com/ossec/ossec-hids/blob/1ecffb1b884607cb12e619f9ab3c04f530801083/e...
[ "T1190" ]
[ "initial-access" ]
high
test
[ "Unknown" ]
[ "https://github.com/ossec/ossec-hids/blob/1ecffb1b884607cb12e619f9ab3c04f530801083/etc/rules/named_rules.xml" ]
" dropping source port zero packet from " OR " denied AXFR from " OR " exiting (due to fatal error)"
*\ dropping\ source\ port\ zero\ packet\ from\ * OR *\ denied\ AXFR\ from\ * OR *\ exiting\ \(due\ to\ fatal\ error\)*
null
linux/builtin/syslog/lnx_syslog_susp_named.yml
aa6f6ea6-0676-40dd-b510-6e46f02d8867
Local File Read Using Curl.EXE
Detects execution of "curl.exe" with the "file://" protocol handler in order to read local files.
windows
process_creation
title: Local File Read Using Curl.EXE id: aa6f6ea6-0676-40dd-b510-6e46f02d8867 status: test description: Detects execution of "curl.exe" with the "file://" protocol handler in order to read local files. references: - https://curl.se/docs/manpage.html author: Nasreddine Bencherchali (Nextron Systems) date: 2023-07-27 ta...
[]
[ "execution" ]
medium
test
[ "Unknown" ]
[ "https://curl.se/docs/manpage.html" ]
Image="*\\curl.exe" OR OriginalFileName="curl.exe" CommandLine="*file:///*"
(Image:*\\curl.exe OR OriginalFileName:curl.exe) AND CommandLine:*file\:\/\/\/*
DeviceProcessEvents | where (FolderPath endswith "\\curl.exe" or ProcessVersionInfoOriginalFileName =~ "curl.exe") and ProcessCommandLine contains "file:///"
windows/process_creation/proc_creation_win_curl_local_file_read.yml
6309645e-122d-4c5b-bb2b-22e4f9c2fa42
HackTool - Potential CobaltStrike Process Injection
Detects a potential remote threat creation with certain characteristics which are typical for Cobalt Strike beacons
windows
create_remote_thread
title: HackTool - Potential CobaltStrike Process Injection id: 6309645e-122d-4c5b-bb2b-22e4f9c2fa42 status: test description: Detects a potential remote threat creation with certain characteristics which are typical for Cobalt Strike beacons references: - https://medium.com/@olafhartong/cobalt-strike-remote-threads-det...
[ "T1055.001" ]
[ "privilege-escalation", "stealth" ]
high
test
[ "Unknown" ]
[ "https://medium.com/@olafhartong/cobalt-strike-remote-threads-detection-206372d11d0f", "https://blog.cobaltstrike.com/2018/04/09/cobalt-strike-3-11-the-snake-that-eats-its-tail/" ]
StartAddress IN ("*0B80", "*0C7C", "*0C88")
StartAddress:(*0B80 OR *0C7C OR *0C88)
null
windows/create_remote_thread/create_remote_thread_win_hktl_cobaltstrike.yml
152f3630-77c1-4284-bcc0-4cc68ab2f6e7
Shell Open Registry Keys Manipulation
Detects the shell open key manipulation (exefile and ms-settings) used for persistence and the pattern of UAC Bypass using fodhelper.exe, computerdefaults.exe, slui.exe via registry keys (e.g. UACMe 33 or 62)
windows
registry_event
title: Shell Open Registry Keys Manipulation id: 152f3630-77c1-4284-bcc0-4cc68ab2f6e7 related: - id: dd3ee8cc-f751-41c9-ba53-5a32ed47e563 type: similar status: test description: Detects the shell open key manipulation (exefile and ms-settings) used for persistence and the pattern of UAC Bypass using fodhelper.exe, ...
[ "T1548.002", "T1546.001" ]
[ "persistence", "privilege-escalation" ]
high
test
[ "Unknown" ]
[ "https://github.com/hfiref0x/UACME", "https://winscripting.blog/2017/05/12/first-entry-welcome-and-uac-bypass/", "https://github.com/RhinoSecurityLabs/Aggressor-Scripts/tree/master/UACBypass", "https://tria.ge/211119-gs7rtshcfr/behavioral2 [Lokibot sample from Nov 2021]" ]
(EventType="SetValue" TargetObject="*Classes\\ms-settings\\shell\\open\\command\\SymbolicLinkValue" Details="*\\Software\\Classes\\{*") OR TargetObject="*Classes\\ms-settings\\shell\\open\\command\\DelegateExecute" OR (EventType="SetValue" TargetObject IN ("*Classes\\ms-settings\\shell\\open\\command\\(Default)", "*Cla...
(EventType:SetValue AND TargetObject:*Classes\\ms\-settings\\shell\\open\\command\\SymbolicLinkValue AND Details:*\\Software\\Classes\\\{*) OR TargetObject:*Classes\\ms\-settings\\shell\\open\\command\\DelegateExecute OR ((EventType:SetValue AND (TargetObject:(*Classes\\ms\-settings\\shell\\open\\command\\\(Default\) O...
DeviceRegistryEvents | where (ActionType =~ "RegistryValueSet" and RegistryKey endswith "Classes\\ms-settings\\shell\\open\\command\\SymbolicLinkValue" and RegistryValueData contains "\\Software\\Classes\\{") or RegistryKey endswith "Classes\\ms-settings\\shell\\open\\command\\DelegateExecute" or ((ActionType =~ "Regis...
windows/registry/registry_event/registry_event_shell_open_keys_manipulation.yml