{"id":"155dbf56-e0a4-4dd0-8905-8a98705045e8","title":"UAC Bypass Abusing Winsat Path Parsing - File","description":"Detects the pattern of UAC Bypass using a path parsing issue in winsat.exe (UACMe 52)","author":"Christian Burkard (Nextron Systems)","status":"test","level":"high","date":"2021-08-30","modified":"2022-10-09","tags":["attack.privilege-escalation","attack.t1548.002"],"technique_ids":["T1548.002"],"logsource":{"category":"file_event","product":"windows"},"falsepositives":["Unknown"],"references":["https://github.com/hfiref0x/UACME"],"source_path":"rules/windows/file/file_event/file_event_win_uac_bypass_winsat.yml","source_sha256":"0d8d2a7a4f4e08e4227f6b792409537b485b99a1aa130e40ee584333c44f9727","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/file/file_event/file_event_win_uac_bypass_winsat.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 Abusing Winsat Path Parsing - File\nid: 155dbf56-e0a4-4dd0-8905-8a98705045e8\nstatus: test\ndescription: Detects the pattern of UAC Bypass using a path parsing issue in winsat.exe (UACMe 52)\nreferences:\n    - https://github.com/hfiref0x/UACME\nauthor: Christian Burkard (Nextron Systems)\ndate: 2021-08-30\nmodified: 2022-10-09\ntags:\n    - attack.privilege-escalation\n    - attack.t1548.002\nlogsource:\n    category: file_event\n    product: windows\ndetection:\n    selection:\n        TargetFilename|startswith: 'C:\\Users\\'\n        TargetFilename|endswith:\n            - '\\AppData\\Local\\Temp\\system32\\winsat.exe'\n            - '\\AppData\\Local\\Temp\\system32\\winmm.dll'\n    condition: selection\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/155dbf56-e0a4-4dd0-8905-8a98705045e8.json","kind":"sigma"}