ET CHAT IRC authorization message

Query · suricata

flow:established;
content:"NOTICE AUTH";
content:"Looking up your hostname..."; nocase;
Raw source ET CHAT IRC authorization message · 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 $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET CHAT IRC authorization message";
    flow:established;
    content:"NOTICE AUTH";
    content:"Looking up your hostname..."; nocase;
    classtype:misc-activity;
    sid:2000355; rev:5;
    metadata:created_at 2010_07_30, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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