UAC Bypass Using MSConfig Token Modification - Process

Detects the pattern of UAC Bypass using a msconfig GUI hack (UACMe 55)

Sigma rule (View on GitHub)

 1title: UAC Bypass Using MSConfig Token Modification - Process
 2id: ad92e3f9-7eb6-460e-96b1-582b0ccbb980
 3status: test
 4description: Detects the pattern of UAC Bypass using a msconfig GUI hack (UACMe 55)
 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        IntegrityLevel:
20            - 'High'
21            - 'System'
22        ParentImage|endswith: '\AppData\Local\Temp\pkgmgr.exe'
23        CommandLine: '"C:\Windows\system32\msconfig.exe" -5'
24    condition: selection
25falsepositives:
26    - Unknown
27level: high

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