{"id":"3c05e90d-7eba-4324-9972-5d7f711a60a8","title":"UAC Bypass Tools Using ComputerDefaults","description":"Detects tools such as UACMe used to bypass UAC with computerdefaults.exe (UACMe 59)","author":"Christian Burkard (Nextron Systems)","status":"test","level":"high","date":"2021-08-31","modified":"2024-12-01","tags":["attack.privilege-escalation","attack.t1548.002"],"technique_ids":["T1548.002"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["https://github.com/hfiref0x/UACME"],"source_path":"rules/windows/process_creation/proc_creation_win_uac_bypass_computerdefaults.yml","source_sha256":"7f084272de5acfe27850b86cfe0fa1577b792bb0c2566773586b08a0eb37f0f2","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_uac_bypass_computerdefaults.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: UAC Bypass Tools Using ComputerDefaults\nid: 3c05e90d-7eba-4324-9972-5d7f711a60a8\nstatus: test\ndescription: Detects tools such as UACMe used to bypass UAC with computerdefaults.exe (UACMe 59)\nreferences:\n    - https://github.com/hfiref0x/UACME\nauthor: Christian Burkard (Nextron Systems)\ndate: 2021-08-31\nmodified: 2024-12-01\ntags:\n    - attack.privilege-escalation\n    - attack.t1548.002\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        IntegrityLevel:\n            - 'High'\n            - 'System'\n            - 'S-1-16-16384' # System\n            - 'S-1-16-12288' # High\n        Image: 'C:\\Windows\\System32\\ComputerDefaults.exe'\n    filter:\n        ParentImage|contains:\n            - ':\\Windows\\System32'\n            - ':\\Program Files'\n    condition: selection and not filter\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1548.002","id":"T1548.002","name":"Bypass User Account Control","page":"techniques/enterprise/T1548.002/"}],"data_path":"data/detection-rules/3c05e90d-7eba-4324-9972-5d7f711a60a8.json","kind":"sigma"}