
title: UAC Bypass Using DismHost
author: Christian Burkard
date: 2021/08/30
description: Detects the pattern of UAC Bypass using DismHost DLL hijacking (UACMe
  63)
detection:
  SELECTION_1:
    EventID: 1
  SELECTION_2:
    ParentImage: '*C:\Users\\*'
  SELECTION_3:
    ParentImage: '*\AppData\Local\Temp\\*'
  SELECTION_4:
    ParentImage: '*\DismHost.exe*'
  SELECTION_5:
    IntegrityLevel:
    - High
    - System
  condition: (SELECTION_1 and SELECTION_2 and SELECTION_3 and SELECTION_4 and SELECTION_5)
falsepositives:
- Unknown
id: 853e74f9-9392-4935-ad3b-2e8c040dae86
level: high
logsource:
  category: process_creation
  product: windows
references:
- https://github.com/hfiref0x/UACME
status: experimental
tags:
- attack.defense_evasion
- attack.privilege_escalation
- attack.t1548.002
ruletype: SIGMA
