alert tcp $SQL_SERVERS 1433 -> $EXTERNAL_NET any (msg:"GPL SQL sa login failed"; flow:from_server,established; content:"Login failed for user 'sa'"; reference:bugtraq,4797; reference:cve,2000-1209; reference:nessus,10673; classtype:unsuccessful-user; sid:2100688; rev:11; metadata:created_at 2010_09_23, cve CVE_2000_1209, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)