UAC Bypass Tools Using ComputerDefaults

Detects tools such as UACMe used to bypass UAC with computerdefaults.exe (UACMe 59)

Sigma rule (View on GitHub)

 1title: UAC Bypass Tools Using ComputerDefaults
 2id: 3c05e90d-7eba-4324-9972-5d7f711a60a8
 3status: test
 4description: Detects tools such as UACMe used to bypass UAC with computerdefaults.exe (UACMe 59)
 5references:
 6    - https://github.com/hfiref0x/UACME
 7author: Christian Burkard (Nextron Systems)
 8date: 2021/08/31
 9modified: 2022/10/09
10tags:
11    - attack.defense_evasion
12    - attack.privilege_escalation
13    - attack.t1548.002
14logsource:
15    category: process_creation
16    product: windows
17detection:
18    selection:
19        IntegrityLevel:
20            - 'High'
21            - 'System'
22        Image: 'C:\Windows\System32\ComputerDefaults.exe'
23    filter:
24        ParentImage|contains:
25            - ':\Windows\System32'
26            - ':\Program Files'
27    condition: selection and not filter
28falsepositives:
29    - Unknown
30level: high

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