alert udp $EXTERNAL_NET 1024:65535 -> $HOME_NET 1024:65535 (msg:"ET P2P Edonkey IP Query End"; dsize:<20; content:"|e3 1d|"; depth:2; reference:url,www.giac.org/certified_professionals/practicals/gcih/0446.php; classtype:policy-violation; sid:2003316; rev:3; metadata:created_at 2010_07_30, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)