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: 5m

Searches indices from: now-9m (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: 4

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule queryedit

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"

Framework: MITRE ATT&CKTM