alert tcp $HOME_NET 4660:4799 -> $EXTERNAL_NET 1024:65535 (msg:"ET P2P Edonkey Client to Server Hello"; flow:established; dsize:>5; content:"|e3|"; offset:1; content:"|01|"; distance:4; within:5; content:"|02 01 00 01|"; distance:26; reference:url,www.giac.org/certified_professionals/practicals/gcih/0446.php; classtype:policy-violation; sid:2003323; rev:4; metadata:created_at 2010_07_30, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)