Hidden Local User Creation

Last updated on:

About the rule

Rule Type

Standard

Rule Description

Detects the creation of a local hidden user account which should not happen for event ID 4720.

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "User Created or Account Name Modified" AND TARGETUSER endswith "$" AND TARGETUSER != "HomeGroupUser$" select Action1.HOSTNAME,Action1.MESSAGE,Action1.USERNAME,Action1.DOMAIN,Action1.TARGETUSER,Action1.TARGETDOMAIN,Action1.CHANGES,Action1.PREVVAL

Detection

Execution Mode

realtime

Log Sources

Active Directory

Author

Christian Burkard (Nextron Systems)