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 = "mssql_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) select Action1.HOSTNAME,Action1.INSTANCENAME,Action1.USERNAME,Action1.DATABASENAME,Action1.SCHEMANAME,Action1.OBJECTNAME
Detection
Execution Mode
Intelligent
Log Sources
SQL Server
