ET MALWARE Kazy/Kryptor/Cycbot Trojan Checkin 2

Query · suricata

flow:established,to_server;
http.method;
content:"GET"; nocase;
http.uri;
content:"?tq="; fast_pattern;
pcre:"/\.(?:(?:jp|pn)g|cgi|gif)\?tq=/";
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET MALWARE Kazy/Kryptor/Cycbot Trojan Checkin 2 · 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 2";
    flow:established,to_server;
    http.method;
    content:"GET"; nocase;
    http.uri;
    content:"?tq="; fast_pattern;
    pcre:"/\.(?:(?:jp|pn)g|cgi|gif)\?tq=/";
    http.header_names;
    content:!"Referer|0d 0a|";
    classtype:command-and-control;
    sid:2013865; rev:8;
    metadata:created_at 2011_11_08, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_28;
)

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