UAC Bypass via Sdclt

Detects the pattern of UAC Bypass using registry key manipulation of sdclt.exe (e.g. UACMe 53)

Sigma rule (View on GitHub)

 1title: UAC Bypass via Sdclt
 2id: 5b872a46-3b90-45c1-8419-f675db8053aa
 3status: test
 4description: Detects the pattern of UAC Bypass using registry key manipulation of sdclt.exe (e.g. UACMe 53)
 5references:
 6    - https://enigma0x3.net/2017/03/17/fileless-uac-bypass-using-sdclt-exe/
 7    - https://github.com/hfiref0x/UACME
 8author: Omer Yampel, Christian Burkard (Nextron Systems)
 9date: 2017/03/17
10modified: 2023/08/17
11tags:
12    - attack.defense_evasion
13    - attack.privilege_escalation
14    - attack.t1548.002
15    - car.2019-04-001
16logsource:
17    category: registry_set
18    product: windows
19detection:
20    selection1:
21        TargetObject|endswith: 'Software\Classes\exefile\shell\runas\command\isolatedCommand'
22    selection2:
23        TargetObject|endswith: 'Software\Classes\Folder\shell\open\command\SymbolicLinkValue'
24        Details|re: '-1[0-9]{3}\\Software\\Classes\\'
25    condition: 1 of selection*
26falsepositives:
27    - Unknown
28level: high

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