alert tcp $EXTERNAL_NET 1024:65535 -> $HOME_NET 4660:4799 (msg:"ET P2P Edonkey Server Message"; flow:established; dsize:>10; content:"|e3|"; depth:1; content:"|38|"; distance:4; within:5; reference:url,www.giac.org/certified_professionals/practicals/gcih/0446.php; classtype:policy-violation; sid:2003321; rev:5; metadata:created_at 2010_07_30, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)