UAC Bypass Using Windows Media Player - Registry

Detects the pattern of UAC Bypass using Windows Media Player osksupport.dll (UACMe 32)

Sigma rule (View on GitHub)

 1title: UAC Bypass Using Windows Media Player - Registry
 2id: 5f9db380-ea57-4d1e-beab-8a2d33397e93
 3status: test
 4description: Detects the pattern of UAC Bypass using Windows Media Player osksupport.dll (UACMe 32)
 5references:
 6    - https://github.com/hfiref0x/UACME
 7author: Christian Burkard (Nextron Systems)
 8date: 2021/08/23
 9modified: 2023/08/17
10tags:
11    - attack.defense_evasion
12    - attack.privilege_escalation
13    - attack.t1548.002
14logsource:
15    category: registry_set
16    product: windows
17detection:
18    selection:
19        TargetObject|endswith: '\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Compatibility Assistant\Store\C:\Program Files\Windows Media Player\osk.exe'
20        Details: 'Binary Data'
21    condition: selection
22falsepositives:
23    - Unknown
24level: high

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