CMSTP Execution Process Creation
Detects various indicators of Microsoft Connection Manager Profile Installer execution
Sigma rule (View on GitHub)
1title: CMSTP Execution Process Creation
2id: 7d4cdc5a-0076-40ca-aac8-f7e714570e47
3status: stable
4description: Detects various indicators of Microsoft Connection Manager Profile Installer execution
5references:
6 - https://web.archive.org/web/20190720093911/http://www.endurant.io/cmstp/detecting-cmstp-enabled-code-execution-and-uac-bypass-with-sysmon/
7author: Nik Seetharaman
8date: 2018/07/16
9modified: 2020/12/23
10tags:
11 - attack.defense_evasion
12 - attack.execution
13 - attack.t1218.003
14 - attack.g0069
15 - car.2019-04-001
16logsource:
17 category: process_creation
18 product: windows
19detection:
20 # CMSTP Spawning Child Process
21 selection:
22 ParentImage|endswith: '\cmstp.exe'
23 condition: selection
24fields:
25 - CommandLine
26 - ParentCommandLine
27 - Details
28falsepositives:
29 - Legitimate CMSTP use (unlikely in modern enterprise environments)
30level: high
References
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