{"id":"b97cd4b1-30b8-4a9d-bd72-6293928d52bc","title":"Indirect Command Execution By Program Compatibility Wizard","description":"Detect indirect command execution via Program Compatibility Assistant pcwrun.exe","author":"A. Sungurov , oscd.community","status":"test","level":"low","date":"2020-10-12","modified":"2021-11-27","tags":["attack.stealth","attack.t1218","attack.execution"],"technique_ids":["T1218"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Need to use extra processing with 'unique_count' / 'filter' to focus on outliers as opposed to commonly seen artifacts","Legit usage of scripts"],"references":["https://twitter.com/pabraeken/status/991335019833708544","https://lolbas-project.github.io/lolbas/Binaries/Pcwrun/"],"source_path":"rules/windows/process_creation/proc_creation_win_lolbin_pcwrun.yml","source_sha256":"9d034a4ca92fd6447aca939d92adf4535baef4b96872fb92de04e9acd8a595d6","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_lolbin_pcwrun.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Indirect Command Execution By Program Compatibility Wizard\nid: b97cd4b1-30b8-4a9d-bd72-6293928d52bc\nstatus: test\ndescription: Detect indirect command execution via Program Compatibility Assistant pcwrun.exe\nreferences:\n    - https://twitter.com/pabraeken/status/991335019833708544\n    - https://lolbas-project.github.io/lolbas/Binaries/Pcwrun/\nauthor: A. Sungurov , oscd.community\ndate: 2020-10-12\nmodified: 2021-11-27\ntags:\n    - attack.stealth\n    - attack.t1218\n    - attack.execution\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        ParentImage|endswith: '\\pcwrun.exe'\n    condition: selection\nfalsepositives:\n    - Need to use extra processing with 'unique_count' / 'filter' to focus on outliers as opposed to commonly seen artifacts\n    - Legit usage of scripts\nlevel: low\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1218","id":"T1218","name":"System Binary Proxy Execution","page":"techniques/enterprise/T1218/"}],"data_path":"data/detection-rules/b97cd4b1-30b8-4a9d-bd72-6293928d52bc.json","kind":"sigma"}