Enabling restricted admin mode

calendar Feb 22, 2024 · attack.defense_evasion attack.t1562.001  ·
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Detects the registry modification to enable restricted admin mode using reg.exe

Sigma rule (View on GitHub)

 1title: Enabling restricted admin mode
 2id: 8e9de57d-7c2e-4ce7-8f5d-56e9f1de475f
 3status: experimental
 4description: Detects the registry modification to enable restricted admin mode using reg.exe
 5author: 'Kostastsale, TheDFIRReport'
 6references: 
 7  - https://thedfirreport.com/2022/05/09/seo-poisoning-a-gootloader-story/
 8date: 2022/05/09
 9modified: 2023/01/08
10logsource:
11  product: windows
12  category: process_creation
13detection:
14  selection1:
15    Image|endswith: 
16      - '\powershell.exe'
17      - '\reg.exe'
18    CommandLine|contains|all:
19      - '/add'
20      - 'DisableRestrictedAdmin'
21      - 'hklm\system\currentcontrolset\control\lsa'
22  selection2:
23    CommandLine|contains:
24      - '-Value 0'
25      - '/d 0'
26  condition: selection1 and selection2
27falsepositives:
28  - Unknown
29level: high
30tags:
31  - attack.defense_evasion
32  - attack.t1562.001

References

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