alert udp $HOME_NET 1024:65535 -> $EXTERNAL_NET 1024:65535 (msg:"ET P2P eMule Kademlia Hello Request"; dsize:<48; content:"|e4 11|"; depth:2; threshold:type limit, count 5, seconds 600, track by_src; reference:url,emule-project.net; classtype:policy-violation; sid:2009970; rev:5; metadata:created_at 2010_07_30, confidence High, signature_severity Informational, updated_at 2019_07_26;)