UAC Bypass Using DismHost

Detects the pattern of UAC Bypass using DismHost DLL hijacking (UACMe 63)

Sigma rule (View on GitHub)

 1title: UAC Bypass Using DismHost
 2id: 853e74f9-9392-4935-ad3b-2e8c040dae86
 3status: test
 4description: Detects the pattern of UAC Bypass using DismHost DLL hijacking (UACMe 63)
 5references:
 6    - https://github.com/hfiref0x/UACME
 7author: Christian Burkard (Nextron Systems)
 8date: 2021/08/30
 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        ParentImage|contains|all:
20            - 'C:\Users\'
21            - '\AppData\Local\Temp\'
22            - '\DismHost.exe'
23        IntegrityLevel:
24            - 'High'
25            - 'System'
26    condition: selection
27falsepositives:
28    - Unknown
29level: high

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