ET MALWARE IRC Bot Download http Command

Query · suricata

flow:established,from_server;
content:"JOIN|20 3a|#"; nocase;
content:"dl|20|http|3a 2f 2f|"; distance:0;
content:"|2e|exe"; distance:0;
Raw source ET MALWARE IRC Bot Download http Command · 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 !6661:6668 -> $HOME_NET any (
    msg:"ET MALWARE IRC Bot Download http Command";
    flow:established,from_server;
    content:"JOIN|20 3a|#"; nocase;
    content:"dl|20|http|3a 2f 2f|"; distance:0;
    content:"|2e|exe"; distance:0;
    reference:md5,fa6ae89b101a0367cc98798c7333e3a4;
    classtype:trojan-activity;
    sid:2014439; rev:5;
    metadata:created_at 2012_03_28, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_07;
)

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