LSA PPL Protection Disabled Via Reg.EXE

Last updated on:

About the rule

Rule Type

Standard

Rule Description

Detects the usage of the "reg.exe" utility to disable PPL protection on the LSA process

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND (PROCESSNAME endswith "\reg.exe" OR ORIGINALFILENAME = "reg.exe") AND (COMMANDLINE contains "SYSTEM\CurrentControlSet\Control\Lsa" AND (COMMANDLINE contains " add " AND COMMANDLINE contains " /d 0" AND COMMANDLINE contains " /v RunAsPPL ")) select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Florian Roth (Nextron Systems)