ET MALWARE Bifrose/Cycbot Checkin 2

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
pcre:"/\x2E(p(hp|ng)|jpe?g|cgi|gif)\x3F(v\d{1,2}|pr)\x3D/";
http.user_agent;
content:"chrome/9.0";
Raw source ET MALWARE Bifrose/Cycbot 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 Bifrose/Cycbot Checkin 2";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    pcre:"/\x2E(p(hp|ng)|jpe?g|cgi|gif)\x3F(v\d{1,2}|pr)\x3D/";
    http.user_agent;
    content:"chrome/9.0";
    reference:md5,8c4f90bb59c05269c6c6990ec434eab6;
    classtype:command-and-control;
    sid:2014163; rev:11;
    metadata:created_at 2012_01_28, signature_severity Major, updated_at 2020_09_10;
)

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