UAC Bypass Abusing Winsat Path Parsing - File

Title: UAC Bypass Abusing Winsat Path Parsing - File
Status: test
Description:Detects the pattern of UAC Bypass using a path parsing issue in winsat.exe (UACMe 52)
References:
  -https://github.com/hfiref0x/UACME
Author: Christian Burkard (Nextron Systems)
Date: 2021-08-30
modified:2022-10-09
Tags:

• -'attack.privilege-escalation'
• -'attack.t1548.002'

Logsource:

• category: file_event
• product: windows

Detection:
  selection:
    TargetFilename|startswith: 'C:\Users\'
    TargetFilename|endswith:
      -'\AppData\Local\Temp\system32\winsat.exe'
      -'\AppData\Local\Temp\system32\winmm.dll'

  condition:selection
Falsepositives:
  -Unknown
Level: high