{"id":"0718cd72-f316-4aa2-988f-838ea8533277","title":"Suspicious Start-Process PassThru","description":"Powershell use PassThru option to start in background","author":"frack113","status":"test","level":"medium","date":"2022-01-15","modified":"","tags":["attack.stealth","attack.t1036.003"],"technique_ids":["T1036.003"],"logsource":{"product":"windows","category":"ps_script","definition":"Requirements: Script Block Logging must be enabled"},"falsepositives":["Legitimate PowerShell scripts"],"references":["https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1036.003/T1036.003.md","https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.management/Start-Process?view=powershell-5.1&viewFallbackFrom=powershell-7"],"source_path":"rules/windows/powershell/powershell_script/posh_ps_susp_start_process.yml","source_sha256":"8a4cae65d492035b01339f89309fcdedec48bbccb38ac35c0713ea65ed4ecf5f","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/powershell/powershell_script/posh_ps_susp_start_process.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 Start-Process PassThru\nid: 0718cd72-f316-4aa2-988f-838ea8533277\nstatus: test\ndescription: Powershell use PassThru option to start in background\nreferences:\n    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1036.003/T1036.003.md\n    - https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.management/Start-Process?view=powershell-5.1&viewFallbackFrom=powershell-7\nauthor: frack113\ndate: 2022-01-15\ntags:\n    - attack.stealth\n    - attack.t1036.003\nlogsource:\n    product: windows\n    category: ps_script\n    definition: 'Requirements: Script Block Logging must be enabled'\ndetection:\n    selection:\n        ScriptBlockText|contains|all:\n            - Start-Process\n            - '-PassThru '\n            - '-FilePath '\n    condition: selection\nfalsepositives:\n    - Legitimate PowerShell scripts\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1036.003","id":"T1036.003","name":"Rename Legitimate Utilities","page":"techniques/enterprise/T1036.003/"}],"data_path":"data/detection-rules/0718cd72-f316-4aa2-988f-838ea8533277.json","kind":"sigma"}