ET MALWARE Kazy/Kryptor/Cycbot Trojan Checkin

Query · suricata

flow:to_server,established;
http.method;
content:"GET"; nocase;
http.uri;
content:"?v";
content:"&tq=";
pcre:"/\.(jpg|png|gif)\?v[0-9]{1,2}=[0-9]+&tq=/";
http.user_agent;
content:"mozilla/2.0"; fast_pattern; depth:11; endswith;
Raw source ET MALWARE Kazy/Kryptor/Cycbot Trojan Checkin · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Kazy/Kryptor/Cycbot Trojan Checkin";
    flow:to_server,established;
    http.method;
    content:"GET"; nocase;
    http.uri;
    content:"?v";
    content:"&tq=";
    pcre:"/\.(jpg|png|gif)\?v[0-9]{1,2}=[0-9]+&tq=/";
    http.user_agent;
    content:"mozilla/2.0"; fast_pattern; depth:11; endswith;
    classtype:command-and-control;
    sid:2012939; rev:10;
    metadata:created_at 2011_06_07, signature_severity Major, updated_at 2020_09_15;
)

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