UAC Bypass Abusing Winsat Path Parsing - File

 1title: UAC Bypass Abusing Winsat Path Parsing - File
 2id: 155dbf56-e0a4-4dd0-8905-8a98705045e8
 3status: test
 4description: Detects the pattern of UAC Bypass using a path parsing issue in winsat.exe (UACMe 52)
 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: file_event
16    product: windows
17detection:
18    selection:
19        TargetFilename|startswith: 'C:\Users\'
20        TargetFilename|endswith:
21            - '\AppData\Local\Temp\system32\winsat.exe'
22            - '\AppData\Local\Temp\system32\winmm.dll'
23    condition: selection
24falsepositives:
25    - Unknown
26level: high

References

• GitHub - hfiref0x/UACME: Defeating Windows User Account Control

  

  Defeating Windows User Account Control. Contribute to hfiref0x/UACME development by creating an account on GitHub.

  
  Read More

Related rules

• Shell Open Registry Keys Manipulation
• UAC Bypass Abusing Winsat Path Parsing - Process
• UAC Bypass Using .NET Code Profiler on MMC
• UAC Bypass Using ChangePK and SLUI
• UAC Bypass Using Consent and Comctl32 - File