Suspicious failed password change activity on a workstation.

Last updated on:

About the rule

Rule Type

Anomaly

Rule Description

Detects repeated failed password change attempts on a Windows workstation, possibly indicating brute-force activity or unauthorized access attempts.

Severity

Attention

Rule Requirement

Criteria

Action1: actionname = "DETECTION_ACTION_WINDOWS_WORKSTATION_FAILED_PASSWORD_CHANGE" | 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.USERNAME,Action1.DOMAIN,Action1.HOSTNAME,Action1.TARGETUSER,Action1.TARGETDOMAIN,Action1.MESSAGE

Detection

Execution Mode

Intelligent

Log Sources

Windows