{"id":"95eadcb2-92e4-4ed1-9031-92547773a6db","title":"Suspicious PowerShell Invocation From Script Engines","description":"Detects suspicious powershell invocations from interpreters or unusual programs","author":"Florian Roth (Nextron Systems)","status":"test","level":"medium","date":"2019-01-16","modified":"2023-01-05","tags":["attack.execution","attack.t1059.001"],"technique_ids":["T1059.001"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Microsoft Operations Manager (MOM)","Other scripts"],"references":["https://www.securitynewspaper.com/2017/03/20/attackers-leverage-excel-powershell-dns-latest-non-malware-attack/"],"source_path":"rules/windows/process_creation/proc_creation_win_powershell_script_engine_parent.yml","source_sha256":"29598ca9b9bce84ae8bea63238bbb14355f2ce203d12d512026e66423056ba03","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_powershell_script_engine_parent.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Suspicious PowerShell Invocation From Script Engines\nid: 95eadcb2-92e4-4ed1-9031-92547773a6db\nstatus: test\ndescription: Detects suspicious powershell invocations from interpreters or unusual programs\nreferences:\n    - https://www.securitynewspaper.com/2017/03/20/attackers-leverage-excel-powershell-dns-latest-non-malware-attack/\nauthor: Florian Roth (Nextron Systems)\ndate: 2019-01-16\nmodified: 2023-01-05\ntags:\n    - attack.execution\n    - attack.t1059.001\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        ParentImage|endswith:\n            - '\\wscript.exe'\n            - '\\cscript.exe'\n        Image|endswith:\n            - '\\powershell.exe'\n            - '\\pwsh.exe'\n    filter_health_service:\n        CurrentDirectory|contains: '\\Health Service State\\'\n    condition: selection and not 1 of filter_*\nfalsepositives:\n    - Microsoft Operations Manager (MOM)\n    - Other scripts\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1059.001","id":"T1059.001","name":"PowerShell","page":"techniques/enterprise/T1059.001/"}],"data_path":"data/detection-rules/95eadcb2-92e4-4ed1-9031-92547773a6db.json","kind":"sigma"}