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sigmahighHunting

UAC Bypass Using DismHost

Detects the pattern of UAC Bypass using DismHost DLL hijacking (UACMe 63)

MITRE ATT&CK

T1548.002
defense-evasionprivilege-escalation

Detection Query

selection:
  ParentImage|contains|all:
    - C:\Users\
    - \AppData\Local\Temp\
    - \DismHost.exe
  IntegrityLevel:
    - High
    - System
    - S-1-16-16384
    - S-1-16-12288
condition: selection

Author

Christian Burkard (Nextron Systems)

Created

2021-08-30

Data Sources

windowsProcess Creation Events

Platforms

windows

References

Tags

attack.defense-evasionattack.privilege-escalationattack.t1548.002
Raw Content
title: UAC Bypass Using DismHost
id: 853e74f9-9392-4935-ad3b-2e8c040dae86
status: test
description: Detects the pattern of UAC Bypass using DismHost DLL hijacking (UACMe 63)
references:
    - https://github.com/hfiref0x/UACME
author: Christian Burkard (Nextron Systems)
date: 2021-08-30
modified: 2024-12-01
tags:
    - attack.defense-evasion
    - attack.privilege-escalation
    - attack.t1548.002
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        ParentImage|contains|all:
            - 'C:\Users\'
            - '\AppData\Local\Temp\'
            - '\DismHost.exe'
        IntegrityLevel:
            - 'High'
            - 'System'
            - 'S-1-16-16384' # System
            - 'S-1-16-12288' # High
    condition: selection
falsepositives:
    - Unknown
level: high