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Elastic Docs ›Elastic Security Solution [8.16] ›Detections and alerts ›Prebuilt rule reference

UAC Bypass via ICMLuaUtil Elevated COM Interface

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UAC Bypass via ICMLuaUtil Elevated COM Interface

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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 guide

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Rule query
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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 mapping
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Framework: MITRE ATT&CKTM














Rule version history
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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"
    

    

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Version 7 (8.4.0 release)








    

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Formatting only

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Version 5 (8.2.0 release)








    

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Formatting only

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Version 4 (7.15.0 release)








    

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Formatting only

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Version 3 (7.12.0 release)








    

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Formatting only

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Version 2 (7.11.2 release)








    

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Formatting only

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