alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"GPL DELETED ypserv maplist request TCP"; flow:to_server,established; content:"|00 01 86 A4|"; depth:4; offset:16; content:"|00 00 00 0B|"; within:4; distance:4; content:"|00 00 00 00|"; depth:4; offset:8; reference:cve,CAN-2002-1232; reference:bugtraq,5914; reference:bugtraq,6016; classtype:rpc-portmap-decode; sid:2102034; rev:8; metadata:created_at 2010_09_23, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)