HackTool - Empire PowerShell UAC Bypass

calendar Feb 21, 2023 · attack.defense_evasion attack.privilege_escalation attack.t1548.002 car.2019-04-001  ·
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Detects some Empire PowerShell UAC bypass methods

Sigma rule (View on GitHub)

 1title: HackTool - Empire PowerShell UAC Bypass
 2id: 3268b746-88d8-4cd3-bffc-30077d02c787
 3status: stable
 4description: Detects some Empire PowerShell UAC bypass methods
 5references:
 6    - https://github.com/EmpireProject/Empire/blob/e37fb2eef8ff8f5a0a689f1589f424906fe13055/data/module_source/privesc/Invoke-EventVwrBypass.ps1#L64
 7    - https://github.com/EmpireProject/Empire/blob/e37fb2eef8ff8f5a0a689f1589f424906fe13055/data/module_source/privesc/Invoke-FodHelperBypass.ps1#L64
 8author: Ecco
 9date: 2019/08/30
10modified: 2023/02/21
11tags:
12    - attack.defense_evasion
13    - attack.privilege_escalation
14    - attack.t1548.002
15    - car.2019-04-001
16logsource:
17    category: process_creation
18    product: windows
19detection:
20    selection:
21        CommandLine|contains:
22            - ' -NoP -NonI -w Hidden -c $x=$((gp HKCU:Software\Microsoft\Windows Update).Update)'
23            - ' -NoP -NonI -c $x=$((gp HKCU:Software\Microsoft\Windows Update).Update);'
24    condition: selection
25fields:
26    - CommandLine
27    - ParentCommandLine
28falsepositives:
29    - Unknown
30level: critical

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