UAC Bypass Using MSConfig Token Modification - File

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About the rule

Rule Type

Standard

Rule Description

Detects the pattern of UAC Bypass using a msconfig GUI hack (UACMe 55)

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "File Created or Modified" AND (FILENAME startswith "C:\Users" OR OBJECTNAME startswith "C:\Users") AND (FILENAME endswith "\AppData\Local\Temp\pkgmgr.exe" OR OBJECTNAME endswith "\AppData\Local\Temp\pkgmgr.exe") select Action1.HOSTNAME,Action1.MESSAGE,Action1.USERNAME,Action1.DOMAIN,Action1.OBJECTNAME,Action1.FILENAME,Action1.PROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Christian Burkard (Nextron Systems)