ET HUNTING SUSPICIOUS IRC - PRIVMSG *.(exe|tar|tgz|zip) download command

Query · suricata

flow:established,to_client;
content:"PRIVMSG|20|";
pcre:"/^[^\r\n]+\.(?:t(?:ar|gz)|exe|zip)/Ri";
Raw source ET HUNTING SUSPICIOUS IRC - PRIVMSG *.(exe|tar|tgz|zip) download command · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp any ![445,138,80] -> any any (
    msg:"ET HUNTING SUSPICIOUS IRC - PRIVMSG *.(exe|tar|tgz|zip)  download command";
    flow:established,to_client;
    content:"PRIVMSG|20|";
    pcre:"/^[^\r\n]+\.(?:t(?:ar|gz)|exe|zip)/Ri";
    classtype:bad-unknown;
    sid:2017318; rev:5;
    metadata:created_at 2013_08_13, confidence Medium, signature_severity Informational, updated_at 2019_07_26;
)

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