{"id":"a23791fe-8846-485a-b16b-ca691e1b03d4","title":"Invoke-Obfuscation RUNDLL LAUNCHER - PowerShell Module","description":"Detects Obfuscated Powershell via RUNDLL LAUNCHER","author":"Timur Zinniatullin, oscd.community","status":"test","level":"medium","date":"2020-10-18","modified":"2022-11-29","tags":["attack.stealth","attack.t1027","attack.execution","attack.t1059.001"],"technique_ids":["T1027","T1059.001"],"logsource":{"product":"windows","category":"ps_module","definition":"0ad03ef1-f21b-4a79-8ce8-e6900c54b65b"},"falsepositives":["Unknown"],"references":["https://github.com/SigmaHQ/sigma/issues/1009"],"source_path":"rules/windows/powershell/powershell_module/posh_pm_invoke_obfuscation_via_rundll.yml","source_sha256":"fce7692641d7c04bf88e4b695c5e65ac2086b2b362420e17953b4ae9a6a85548","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/powershell/powershell_module/posh_pm_invoke_obfuscation_via_rundll.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Invoke-Obfuscation RUNDLL LAUNCHER - PowerShell Module\nid: a23791fe-8846-485a-b16b-ca691e1b03d4\nrelated:\n    - id: e6cb92b4-b470-4eb8-8a9d-d63e8583aae0\n      type: derived\nstatus: test\ndescription: Detects Obfuscated Powershell via RUNDLL LAUNCHER\nreferences:\n    - https://github.com/SigmaHQ/sigma/issues/1009 # (Task 23)\nauthor: Timur Zinniatullin, oscd.community\ndate: 2020-10-18\nmodified: 2022-11-29\ntags:\n    - attack.stealth\n    - attack.t1027\n    - attack.execution\n    - attack.t1059.001\nlogsource:\n    product: windows\n    category: ps_module\n    definition: 0ad03ef1-f21b-4a79-8ce8-e6900c54b65b\ndetection:\n    selection_4103:\n        Payload|contains|all:\n            - 'rundll32.exe'\n            - 'shell32.dll'\n            - 'shellexec_rundll'\n            - 'powershell'\n    condition: selection_4103\nfalsepositives:\n    - Unknown\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1027","id":"T1027","name":"Obfuscated Files or Information","page":"techniques/enterprise/T1027/"},{"key":"enterprise/T1059.001","id":"T1059.001","name":"PowerShell","page":"techniques/enterprise/T1059.001/"}],"data_path":"data/detection-rules/a23791fe-8846-485a-b16b-ca691e1b03d4.json","kind":"sigma"}