UAC Bypass via ICMLuaUtil Elevated COM Interfaceedit
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: 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: 101 (version history)
Added (Elastic Stack release): 7.11.0
Last modified (Elastic Stack release): 8.5.0
Rule authors: Elastic
Rule license: Elastic License v2
Investigation guideedit
Rule queryedit
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"
Threat mappingedit
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/
Rule version historyedit
- Version 101 (8.5.0 release)
-
-
Updated query, changed from:
process where event.type in ("start", "process_started") 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"
-
- Version 7 (8.4.0 release)
-
- Formatting only
- Version 5 (8.2.0 release)
-
- Formatting only
- Version 4 (7.15.0 release)
-
- Formatting only
- Version 3 (7.12.0 release)
-
- Formatting only
- Version 2 (7.11.2 release)
-
- Formatting only