alert udp $EXTERNAL_NET any -> $HOME_NET 42 (msg:"GPL NETBIOS WINS name query overflow attempt UDP"; byte_test:1,&,64,2; content:" "; offset:12; isdataat:56,relative; reference:bugtraq,9624; reference:cve,2003-0825; reference:url,www.microsoft.com/technet/security/bulletin/MS04-006.mspx; classtype:attempted-admin; sid:2103200; rev:4; metadata:created_at 2010_09_23, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)