alert tcp $EXTERNAL_NET any -> $HOME_NET 512 (msg:"GPL RPC rexec password overflow attempt"; flow:to_server,established; content:"|00|"; content:"|00|"; distance:33; content:"|00|"; distance:0; classtype:attempted-admin; sid:2102114; rev:4; metadata:created_at 2010_09_23, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)