UAC Bypass Using PkgMgr and DISM

Detects the pattern of UAC Bypass using pkgmgr.exe and dism.exe (UACMe 23)

Sigma rule (View on GitHub)

 1title: UAC Bypass Using PkgMgr and DISM
 2id: a743ceba-c771-4d75-97eb-8a90f7f4844c
 3status: test
 4description: Detects the pattern of UAC Bypass using pkgmgr.exe and dism.exe (UACMe 23)
 5references:
 6    - https://github.com/hfiref0x/UACME
 7author: Christian Burkard (Nextron Systems)
 8date: 2021/08/23
 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|endswith: '\pkgmgr.exe'
20        Image|endswith: '\dism.exe'
21        IntegrityLevel:
22            - 'High'
23            - 'System'
24    condition: selection
25falsepositives:
26    - Unknown
27level: high

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