MSSQL Failed Logon

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About the rule

Rule Type

Standard

Rule Description

Detects failed logon attempts on the MSSQL server.

Severity

Attention

Rule Requirement

Criteria

Action1: actionname = "sa_sql_logon_failure" AND (RULENAME contains "18456") select Action1.MESSAGE,Action1.DOMAIN,Action1.HOSTNAME,Action1.DATABASEUSERNAME,Action1.INFORMATION

Detection

Execution Mode

Realtime

Log Sources

SQL Server

Author

Nasreddine Bencherchali (Nextron Systems), j4son