alert udp $EXTERNAL_NET any -> $HOME_NET any (msg:"GPL RPC CMSD UDP CMSD_CREATE buffer overflow attempt"; content:"|00 01 86 E4|"; depth:4; offset:12; content:"|00 00 00 15|"; within:4; distance:4; byte_jump:4,4,relative,align; byte_jump:4,4,relative,align; byte_test:4,>,1024,0,relative; content:"|00 00 00 00|"; depth:4; offset:4; reference:bugtraq,524; reference:cve,1999-0696; classtype:attempted-admin; sid:2101907; rev:11; metadata:created_at 2010_09_23, cve CVE_1999_0696, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)