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)
| isanomalous(User with unusual Log source)
select Action1.MESSAGE,Action1.HOSTNAME,Action1.USERNAME,Action1.DOMAIN,Action1.SECURITYID
Detection
Execution Mode
Intelligent
Log Sources
Active Directory
Author
Thomas Patzke
