MSSQL Suspicious Successful Password Change Activity
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About the rule
Rule Type
Anomaly
Rule Description
Detects repeated successful password change attempts on a MSSQL server, possibly indicating brute-force activity or unauthorized access attempts.
Severity
Attention
Rule Requirement
Criteria
Action1:
actionname = "Successful 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)
| isanomalous(User with unusual Log source)
select Action1.HOSTNAME,Action1.INSTANCENAME,Action1.USERNAME,Action1.DATABASENAME,Action1.SCHEMANAME,Action1.OBJECTNAME
Detection
Execution Mode
Intelligent
Log Sources
SQL Server
