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40 lines
1.0 KiB
YAML
40 lines
1.0 KiB
YAML
title: CMSTP Execution
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status: stable
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description: Detects various indicators of Microsoft Connection Manager Profile Installer execution
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tags:
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- attack.defense_evasion
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- attack.execution
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- attack.t1191
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- attack.g0069
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author: Nik Seetharaman
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references:
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- http://www.endurant.io/cmstp/detecting-cmstp-enabled-code-execution-and-uac-bypass-with-sysmon/
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logsource:
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product: windows
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service: sysmon
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detection:
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# CMSTP Spawning Child Process
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selection1:
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EventID: 1
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ParentImage: '*\cmstp.exe'
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# Registry Object Add
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selection2:
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EventID: 12
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TargetObject: '*\cmmgr32.exe*'
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# Registry Object Value Set
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selection3:
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EventID: 13
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TargetObject: '*\cmmgr32.exe*'
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# Process Access Call Trace
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selection4:
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EventID: 10
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CallTrace: '*cmlua.dll*'
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condition: 1 of them
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fields:
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- CommandLine
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- ParentCommandLine
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- Details
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falsepositives:
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- Legitimate CMSTP use (unlikely in modern enterprise environments)
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level: high
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