alert udp $HOME_NET 1024:65535 -> $EXTERNAL_NET 1024:65535 (msg:"ET P2P Edonkey Get Sources Request (by hash)"; dsize:19; content:"|e3 9a|"; depth:2; reference:url,www.giac.org/certified_professionals/practicals/gcih/0446.php; classtype:policy-violation; sid:2003318; rev:3; metadata:created_at 2010_07_30, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)