UAC Bypass via ICMLuaUtil Elevated COM Interface
Elastic Stack Serverless Security
Identifies User Account Control (UAC) bypass attempts via the ICMLuaUtil Elevated COM interface. Attackers may attempt to bypass UAC to stealthily execute code with elevated permissions.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
Severity: high
Risk score: 73
Runs every: 5m
Searches indices from: now-9m (https://www.elastic.co/guide/en/elasticsearch/reference/current/common-options.html#date-math[Date Math format], see also Additional look-back time)
Maximum alerts per execution: 100
References: None
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Privilege Escalation
Version: 101
Rule authors:
- Elastic
Rule license: Elastic License v2
process where event.type == "start" and
process.parent.name == "dllhost.exe" and
process.parent.args in ("/Processid:{3E5FC7F9-9A51-4367-9063-A120244FBEC7}", "/Processid:{D2E7041B-2927-42FB-8E9F-7CE93B6DC937}") and
process.pe.original_file_name != "WerFault.exe"
Framework: MITRE ATT&CKTM
Tactic:
- Name: Privilege Escalation
- ID: TA0004
- Reference URL: https://attack.mitre.org/tactics/TA0004/
Technique:
- Name: Abuse Elevation Control Mechanism
- ID: T1548
- Reference URL: https://attack.mitre.org/techniques/T1548/
Sub-technique:
- Name: Bypass User Account Control
- ID: T1548.002
- Reference URL: https://attack.mitre.org/techniques/T1548/002/