SigmaHQ/rules/windows/sysmon/sysmon_cmstp_execution.yml

40 lines
1.0 KiB
YAML
Raw Normal View History

2018-07-15 23:53:41 +00:00
title: CMSTP Execution
2018-07-16 21:55:31 +00:00
status: stable
2018-07-15 23:53:41 +00:00
description: Detects various indicators of Microsoft Connection Manager Profile Installer execution
2018-07-19 21:36:13 +00:00
tags:
- attack.defense_evasion
- attack.execution
- attack.t1191
- attack.g0069
2018-07-15 23:53:41 +00:00
author: Nik Seetharaman
references:
- http://www.endurant.io/cmstp/detecting-cmstp-enabled-code-execution-and-uac-bypass-with-sysmon/
logsource:
product: windows
service: sysmon
detection:
# CMSTP Spawning Child Process
selection1:
EventID: 1
ParentImage: '*\cmstp.exe'
# Registry Object Add
selection2:
EventID: 12
TargetObject: '*\cmmgr32.exe*'
# Registry Object Value Set
selection3:
EventID: 13
TargetObject: '*\cmmgr32.exe*'
# Process Access Call Trace
selection4:
EventID: 10
CallTrace: '*cmlua.dll*'
condition: 1 of them
fields:
- CommandLine
- ParentCommandLine
- Details
falsepositives:
- Legitimate CMSTP use (unlikely in modern enterprise environments)
2018-07-16 21:55:31 +00:00
level: high