ET MALWARE W32.Virut.A joining an IRC Channel

Query · suricata

flow:established,to_server;
content:"JOIN &virtu"; depth:27;
Raw source ET MALWARE W32.Virut.A joining an IRC Channel · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE W32.Virut.A joining an IRC Channel";
    flow:established,to_server;
    content:"JOIN &virtu"; depth:27;
    reference:md5,06b522eacdfe51bed5d041fd672e880f;
    classtype:trojan-activity;
    sid:2003603; rev:7;
    metadata:created_at 2010_07_30, signature_severity Major, updated_at 2019_07_26;
)

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