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UAC Bypass Using Windows Media Player - Registry

Detects the pattern of UAC Bypass using Windows Media Player osksupport.dll (UACMe 32)

MITRE ATT&CK

T1548.002
defense-evasionprivilege-escalation

Detection Query

selection:
  TargetObject|endswith: \SOFTWARE\Microsoft\Windows
    NT\CurrentVersion\AppCompatFlags\Compatibility Assistant\Store\C:\Program
    Files\Windows Media Player\osk.exe
  Details: Binary Data
condition: selection

Author

Christian Burkard (Nextron Systems)

Created

2021-08-23

Data Sources

windowsRegistry Set Events

Platforms

windows

References

Tags

attack.defense-evasionattack.privilege-escalationattack.t1548.002
Raw Content
title: UAC Bypass Using Windows Media Player - Registry
id: 5f9db380-ea57-4d1e-beab-8a2d33397e93
status: test
description: Detects the pattern of UAC Bypass using Windows Media Player osksupport.dll (UACMe 32)
references:
    - https://github.com/hfiref0x/UACME
author: Christian Burkard (Nextron Systems)
date: 2021-08-23
modified: 2023-08-17
tags:
    - attack.defense-evasion
    - attack.privilege-escalation
    - attack.t1548.002
logsource:
    category: registry_set
    product: windows
detection:
    selection:
        TargetObject|endswith: '\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Compatibility Assistant\Store\C:\Program Files\Windows Media Player\osk.exe'
        Details: 'Binary Data'
    condition: selection
falsepositives:
    - Unknown
level: high