{"id":"0403d67d-6227-4ea8-8145-4e72db7da120","title":"UtilityFunctions.ps1 Proxy Dll","description":"Detects the use of a Microsoft signed script executing a managed DLL with PowerShell.","author":"frack113","status":"test","level":"medium","date":"2022-05-28","modified":"","tags":["attack.stealth","attack.t1216"],"technique_ids":["T1216"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["https://lolbas-project.github.io/lolbas/Scripts/UtilityFunctions/"],"source_path":"rules/windows/process_creation/proc_creation_win_lolbin_utilityfunctions.yml","source_sha256":"522cae83245765275ca382eed55b120b6bdc58794db9eaf18e892eee476264bb","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_lolbin_utilityfunctions.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: UtilityFunctions.ps1 Proxy Dll\nid: 0403d67d-6227-4ea8-8145-4e72db7da120\nstatus: test\ndescription: Detects the use of a Microsoft signed script executing a managed DLL with PowerShell.\nreferences:\n    - https://lolbas-project.github.io/lolbas/Scripts/UtilityFunctions/\nauthor: frack113\ndate: 2022-05-28\ntags:\n    - attack.stealth\n    - attack.t1216\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        CommandLine|contains:\n            - 'UtilityFunctions.ps1'\n            - 'RegSnapin '\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1216","id":"T1216","name":"System Script Proxy Execution","page":"techniques/enterprise/T1216/"}],"data_path":"data/detection-rules/0403d67d-6227-4ea8-8145-4e72db7da120.json","kind":"sigma"}