UAC Bypass Using Disk Cleanup
Detects the pattern of UAC Bypass using scheduled tasks and variable expansion of cleanmgr.exe (UACMe 34)
Detection logic
selection
CommandLine|endswith: '"\system32\cleanmgr.exe /autoclean /d C:'
ParentCommandLine: C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
IntegrityLevel:
- High
- System
- S-1-16-16384
- S-1-16-12288Condition
selectionRaw YAML
title: UAC Bypass Using Disk Cleanup
id: b697e69c-746f-4a86-9f59-7bfff8eab881
status: test
description: Detects the pattern of UAC Bypass using scheduled tasks and variable expansion of cleanmgr.exe (UACMe 34)
references:
- https://github.com/hfiref0x/UACME
author: Christian Burkard (Nextron Systems)
date: 2021-08-30
modified: 2024-12-01
tags:
- attack.privilege-escalation
- attack.t1548.002
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|endswith: '"\system32\cleanmgr.exe /autoclean /d C:'
ParentCommandLine: 'C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule'
IntegrityLevel:
- 'High'
- 'System'
- 'S-1-16-16384' # System
- 'S-1-16-12288' # High
condition: selection
falsepositives:
- Unknown
level: highFalse positives
- Unknown