{"id":"7d4cdc5a-0076-40ca-aac8-f7e714570e47","title":"CMSTP Execution Process Creation","description":"Detects various indicators of Microsoft Connection Manager Profile Installer execution","author":"Nik Seetharaman","status":"stable","level":"high","date":"2018-07-16","modified":"2020-12-23","tags":["attack.execution","attack.stealth","attack.t1218.003","attack.g0069","car.2019-04-001"],"technique_ids":["T1218.003"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Legitimate CMSTP use (unlikely in modern enterprise environments)"],"references":["https://web.archive.org/web/20190720093911/http://www.endurant.io/cmstp/detecting-cmstp-enabled-code-execution-and-uac-bypass-with-sysmon/"],"source_path":"rules/windows/process_creation/proc_creation_win_cmstp_execution_by_creation.yml","source_sha256":"bf996988a325bbf86725b2e8e01d859133abb7868fe81a584baef94c5ace8ace","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_cmstp_execution_by_creation.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: CMSTP Execution Process Creation\nid: 7d4cdc5a-0076-40ca-aac8-f7e714570e47\nstatus: stable\ndescription: Detects various indicators of Microsoft Connection Manager Profile Installer execution\nreferences:\n    - https://web.archive.org/web/20190720093911/http://www.endurant.io/cmstp/detecting-cmstp-enabled-code-execution-and-uac-bypass-with-sysmon/\nauthor: Nik Seetharaman\ndate: 2018-07-16\nmodified: 2020-12-23\ntags:\n    - attack.execution\n    - attack.stealth\n    - attack.t1218.003\n    - attack.g0069\n    - car.2019-04-001\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    # CMSTP Spawning Child Process\n    selection:\n        ParentImage|endswith: '\\cmstp.exe'\n    condition: selection\nfalsepositives:\n    - Legitimate CMSTP use (unlikely in modern enterprise environments)\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1218.003","id":"T1218.003","name":"CMSTP","page":"techniques/enterprise/T1218.003/"}],"data_path":"data/detection-rules/7d4cdc5a-0076-40ca-aac8-f7e714570e47.json","kind":"sigma"}