IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
UAC Bypass via DiskCleanup Scheduled Task Hijack
editUAC Bypass via DiskCleanup Scheduled Task Hijack
editIdentifies User Account Control (UAC) bypass via hijacking DiskCleanup Scheduled Task. Attackers bypass UAC to stealthily execute code with elevated permissions.
Rule type: query
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
Severity: medium
Risk score: 47
Runs every: 5 minutes
Searches indices from: now-9m (Date Math format, see also Additional look-back time
)
Maximum alerts per execution: 100
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Privilege Escalation
Version: 1
Added (Elastic Stack release): 7.10.0
Rule authors: Elastic
Rule license: Elastic License
Rule query
editevent.category:process and event.type:(start or process_started) and process.args:(/autoclean or /AUTOCLEAN) and process.parent.name:svchost.exe and not process.executable:("C:\Windows\System32\cleanmgr.exe" or "C:\Windows\SysWOW64\cleanmgr.exe")
Threat mapping
editFramework: MITRE ATT&CKTM
-
Tactic:
- Name: Privilege Escalation
- ID: TA0004
- Reference URL: https://attack.mitre.org/tactics/TA0004/
-
Technique:
- Name: Bypass User Account Control
- ID: T1088
- Reference URL: https://attack.mitre.org/techniques/T1088/