ET P2P BitTorrent DHT nodes reply

Query · suricata

content:"d1|3a|rd2|3a|id20|3a|"; nocase; depth:12;
content:"5|3a|nodes"; nocase; distance:20; within:7;
threshold:type both, count 1, seconds 300, track by_src;
Raw source ET P2P BitTorrent DHT nodes reply · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert udp $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET P2P BitTorrent DHT nodes reply";
    content:"d1|3a|rd2|3a|id20|3a|"; nocase; depth:12;
    content:"5|3a|nodes"; nocase; distance:20; within:7;
    threshold:type both, count 1, seconds 300, track by_src;
    reference:url,wiki.theory.org/BitTorrentDraftDHTProtocol;
    classtype:policy-violation;
    sid:2008583; rev:4;
    metadata:created_at 2010_07_30, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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