UAC Bypass Abusing Winsat Path Parsing - Registry

 1title: UAC Bypass Abusing Winsat Path Parsing - Registry
 2id: 6597be7b-ac61-4ac8-bef4-d3ec88174853
 3status: test
 4description: Detects the pattern of UAC Bypass using a path parsing issue in winsat.exe (UACMe 52)
 5references:
 6    - https://github.com/hfiref0x/UACME
 7author: Christian Burkard (Nextron Systems)
 8date: 2021-08-30
 9modified: 2023-08-17
10tags:
11    - attack.privilege-escalation
12    - attack.t1548.002
13logsource:
14    category: registry_set
15    product: windows
16detection:
17    selection:
18        TargetObject|contains: '\Root\InventoryApplicationFile\winsat.exe|'
19        TargetObject|endswith: '\LowerCaseLongPath'
20        Details|startswith: 'c:\users\'
21        Details|endswith: '\appdata\local\temp\system32\winsat.exe'
22    condition: selection
23falsepositives:
24    - Unknown
25level: high