
title: UAC Bypass Using Windows Media Player - File
author: Christian Burkard
date: 2021/08/23
description: Detects the pattern of UAC Bypass using Windows Media Player osksupport.dll
  (UACMe 32)
detection:
  SELECTION_1:
    EventID: 11
  SELECTION_2:
    TargetFilename: C:\Users\\*
  SELECTION_3:
    TargetFilename: '*\AppData\Local\Temp\OskSupport.dll'
  SELECTION_4:
    Image: C:\Windows\system32\DllHost.exe
  SELECTION_5:
    TargetFilename: C:\Program Files\Windows Media Player\osk.exe
  condition: (SELECTION_1 and ((SELECTION_2 and SELECTION_3) or (SELECTION_4 and SELECTION_5)))
falsepositives:
- Unknown
id: 68578b43-65df-4f81-9a9b-92f32711a951
level: high
logsource:
  category: file_event
  product: windows
references:
- https://github.com/hfiref0x/UACME
status: experimental
tags:
- attack.defense_evasion
- attack.privilege_escalation
- attack.t1548.002
ruletype: SIGMA
