alert udp $EXTERNAL_NET 1024:65535 -> $HOME_NET 1024:65535 (msg:"ET DELETED Edonkey Search Results"; dsize:>21; content:"|e3 99|"; depth:2; reference:url,www.giac.org/certified_professionals/practicals/gcih/0446.php; classtype:policy-violation; sid:2003320; rev:3; metadata:created_at 2010_07_30, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)