ET P2P ed2k file request answer

Query · suricata

flow:to_server,established;
content:"|e3|"; offset:1;
content:"|00 00 00 59|"; distance:2; within:4;
Raw source ET P2P ed2k file request answer · 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 tcp any any -> any 4660:4799 (
    msg:"ET P2P ed2k file request answer";
    flow:to_server,established;
    content:"|e3|"; offset:1;
    content:"|00 00 00 59|"; distance:2; within:4;
    reference:url,www.giac.org/practical/GCIH/Ian_Gosling_GCIH.pdf;
    classtype:policy-violation;
    sid:2000333; rev:11;
    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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