sigmahighHunting

UAC Bypass Using IEInstal - Process

Detects the pattern of UAC Bypass using IEInstal.exe (UACMe 64)

MITRE ATT&CK

defense-evasionprivilege-escalation

Detection Query

selection:
  IntegrityLevel:
    - High
    - System
    - S-1-16-16384
    - S-1-16-12288
  ParentImage|endswith: \ieinstal.exe
  Image|contains: \AppData\Local\Temp\
  Image|endswith: consent.exe
condition: selection

Author

Christian Burkard (Nextron Systems)

Created

2021-08-30

Data Sources

windowsProcess Creation Events

Platforms

windows

References

https://github.com/hfiref0x/UACME

Tags

attack.defense-evasionattack.privilege-escalationattack.t1548.002

Raw Content

title: UAC Bypass Using IEInstal - Process
id: 80fc36aa-945e-4181-89f2-2f907ab6775d
status: test
description: Detects the pattern of UAC Bypass using IEInstal.exe (UACMe 64)
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:
        IntegrityLevel:
            - 'High'
            - 'System'
            - 'S-1-16-16384' # System
            - 'S-1-16-12288' # High
        ParentImage|endswith: '\ieinstal.exe'
        Image|contains: '\AppData\Local\Temp\'
        Image|endswith: 'consent.exe'
    condition: selection
falsepositives:
    - Unknown
level: high