ET MALWARE Bolek HTTP Checkin

Query · suricata

flow:to_server,established;
http.method;
content:"GET";
http.uri;
pcre:"/\?[a-f0-9]{32}$/i";
http.user_agent;
content:"Client 1.2"; fast_pattern; bsize:10;
Raw source ET MALWARE Bolek HTTP 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Bolek HTTP Checkin";
    flow:to_server,established;
    http.method;
    content:"GET";
    http.uri;
    pcre:"/\?[a-f0-9]{32}$/i";
    http.user_agent;
    content:"Client 1.2"; fast_pattern; bsize:10;
    reference:md5,e89ff40a8832cd27d2aae48ff7cd67d2;
    reference:url,malware-traffic-analysis.net/2016/06/09/index2.html;
    classtype:command-and-control;
    sid:2022889; rev:3;
    metadata:created_at 2016_06_10, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_07_14;
)

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