{"id":"503d581c-7df0-4bbe-b9be-5840c0ecc1fc","title":"UAC Bypass Using ChangePK and SLUI","description":"Detects an UAC bypass that uses changepk.exe and slui.exe (UACMe 61)","author":"Christian Burkard (Nextron Systems)","status":"test","level":"high","date":"2021-08-23","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://mattharr0ey.medium.com/privilege-escalation-uac-bypass-in-changepk-c40b92818d1b","https://github.com/hfiref0x/UACME","https://medium.com/falconforce/falconfriday-detecting-uac-bypasses-0xff16-86c2a9107abf"],"source_path":"rules/windows/process_creation/proc_creation_win_uac_bypass_changepk_slui.yml","source_sha256":"9831f2a312ac73313757b0ff6d18821f40ecd341bb004092bf8ccfd81332a9ec","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_uac_bypass_changepk_slui.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 Using ChangePK and SLUI\nid: 503d581c-7df0-4bbe-b9be-5840c0ecc1fc\nstatus: test\ndescription: Detects an UAC bypass that uses changepk.exe and slui.exe (UACMe 61)\nreferences:\n    - https://mattharr0ey.medium.com/privilege-escalation-uac-bypass-in-changepk-c40b92818d1b\n    - https://github.com/hfiref0x/UACME\n    - https://medium.com/falconforce/falconfriday-detecting-uac-bypasses-0xff16-86c2a9107abf\nauthor: Christian Burkard (Nextron Systems)\ndate: 2021-08-23\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        Image|endswith: '\\changepk.exe'\n        ParentImage|endswith: '\\slui.exe'\n        IntegrityLevel:\n            - 'High'\n            - 'System'\n            - 'S-1-16-16384' # System\n            - 'S-1-16-12288' # High\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/503d581c-7df0-4bbe-b9be-5840c0ecc1fc.json","kind":"sigma"}