ET POLICY Windows Update P2P Activity

Query · suricata

flow:established,to_server;
dsize:<100;
content:"Swarm|20|protocol"; depth:20;
Raw source ET POLICY Windows Update P2P Activity · 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 $HOME_NET any -> any [!$HTTP_PORTS,1024:] (
    msg:"ET POLICY Windows Update P2P Activity";
    flow:established,to_server;
    dsize:<100;
    content:"Swarm|20|protocol"; depth:20;
    classtype:not-suspicious;
    sid:2027766; rev:2;
    metadata:created_at 2019_07_31, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_31;
)

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