Suspicious Password Change on Directory Service Restore Mode (DSRM) Account

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About the rule

Rule Type

Anomaly

Rule Description

Flags successful DSRM password changes indicating potential domain compromise.

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Password Change on Directory Service Restore Mode (DSRM) Account" | isanomalous(User at an unusual Time) | isanomalous(User with abnormal Count) | isanomalous(Log source at an unusual Time) | isanomalous(Log source with abnormal Count) | isanomalous(Log source with unusual Username) select Action1.MESSAGE,Action1.HOSTNAME,Action1.USERNAME,Action1.DOMAIN,Action1.SECURITYID

Detection

Execution Mode

Intelligent

Log Sources

Active Directory

Author

Thomas Patzke