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Elastic Docs ›Elastic Security Solution [7.11] ›Detections and Alerts ›Prebuilt rule reference

UAC Bypass via Windows Firewall Snap-In Hijack

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UAC Bypass via Windows Firewall Snap-In Hijack

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Identifies attempts to bypass User Account Control (UAC) by hijacking the Microsoft Management Console (MMC) Windows Firewall snap-in. Attackers bypass UAC to stealthily execute code with elevated permissions.

Rule type: eql

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

References:

Tags:

  • Elastic
  • Host
  • Windows
  • Threat Detection
  • Privilege Escalation

Version: 2 (version history)

Added (Elastic Stack release): 7.11.0

Last modified (Elastic Stack release): 7.11.2

Rule authors: Elastic

Rule license: Elastic License

Rule query

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process where event.type in ("start", "process_started") and
process.parent.name == "mmc.exe" and /*
process.Ext.token.integrity_level_name == "high" can be added in
future for tuning */ /* args of the Windows Firewall SnapIn */
process.parent.args == "WF.msc" and process.name != "WerFault.exe"

Threat mapping

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Framework: MITRE ATT&CKTM

Rule version history

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Version 2 (7.11.2 release)
  • Formatting only
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