title: CMSTP Execution Process Creation author: Nik Seetharaman date: 2018/07/16 description: Detects various indicators of Microsoft Connection Manager Profile Installer execution detection: SELECTION_1: EventID: 1 SELECTION_2: ParentImage: '*\cmstp.exe' condition: (SELECTION_1 and SELECTION_2) falsepositives: - Legitimate CMSTP use (unlikely in modern enterprise environments) fields: - CommandLine - ParentCommandLine - Details id: 7d4cdc5a-0076-40ca-aac8-f7e714570e47 level: high logsource: category: process_creation product: windows modified: 2020/12/23 references: - https://web.archive.org/web/20190720093911/http://www.endurant.io/cmstp/detecting-cmstp-enabled-code-execution-and-uac-bypass-with-sysmon/ status: stable tags: - attack.defense_evasion - attack.execution - attack.t1191 - attack.t1218.003 - attack.g0069 - car.2019-04-001 yml_filename: sysmon_cmstp_execution_by_creation.yml yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation