alert tcp $EXTERNAL_NET any -> $SQL_SERVERS 139 (msg:"GPL NETBIOS xp_reg* registry access"; flow:to_server,established; content:"x|00|p|00|_|00|r|00|e|00|g|00|"; depth:32; offset:32; nocase; reference:bugtraq,5205; reference:cve,2002-0642; reference:nessus,10642; reference:url,www.microsoft.com/technet/security/bulletin/MS02-034; classtype:attempted-user; sid:2100689; rev:12; metadata:created_at 2010_09_23, cve CVE_2002_0642, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)