ET MALWARE HighTide trojan Checkin

Query · suricata

flow:to_server,established;
http.method;
content:"GET";
http.uri;
content:"/?"; depth:2;
pcre:"/^\/\?\d(?:[A-Za-z0-9~_]{4})*(?:[A-Za-z0-9~_]{2}--|[A-Za-z0-9~_]{3}-|[A-Za-z0-9~_]{4})$/";
http.header;
content:"Trident/5.0|29 0d 0a|"; fast_pattern;
http.referer;
content:"http://www.google.com/"; bsize:22;
Raw source ET MALWARE HighTide 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE HighTide trojan Checkin";
    flow:to_server,established;
    http.method;
    content:"GET";
    http.uri;
    content:"/?"; depth:2;
    pcre:"/^\/\?\d(?:[A-Za-z0-9~_]{4})*(?:[A-Za-z0-9~_]{2}--|[A-Za-z0-9~_]{3}-|[A-Za-z0-9~_]{4})$/";
    http.header;
    content:"Trident/5.0|29 0d 0a|"; fast_pattern;
    http.referer;
    content:"http://www.google.com/"; bsize:22;
    reference:md5,6e59861931fa2796ee107dc27bfdd480;
    reference:url,fireeye.com/blog/technical/botnet-activities-research/2014/09/darwins-favorite-apt-group-2.html;
    classtype:command-and-control;
    sid:2019113; rev:3;
    metadata:created_at 2014_09_04, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_05_04;
)

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