UAC Bypass via Windows Firewall Snap-In Hijack

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About the rule

Rule Type

Standard

Rule Description

Detects attempts to bypass User Account Control (UAC) by hijacking the Microsoft Management Console (MMC) Windows Firewall snap-in

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND (PARENTPROCESSNAME endswith "\mmc.exe" AND PARENTPROCESSCOMMANDLINE contains "WF.msc") AND PROCESSNAME notendswith "\WerFault.exe" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Tim Rauch, Elastic (idea)