ET MALWARE Win32.ChinaZ.DDoSClient Checkin

Query · suricata

flow:established,to_server;
content:"Windows "; depth:8;
content:"|20|MHZ|00|"; fast_pattern; distance:0;
content:"|00|Win"; distance:0;
content:"|00|"; distance:2; within:2;
Raw source ET MALWARE Win32.ChinaZ.DDoSClient Checkin · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $HOME_NET any -> $EXTERNAL_NET 1024:65535 (
    msg:"ET MALWARE Win32.ChinaZ.DDoSClient Checkin";
    flow:established,to_server;
    content:"Windows "; depth:8;
    content:"|20|MHZ|00|"; fast_pattern; distance:0;
    content:"|00|Win"; distance:0;
    content:"|00|"; distance:2; within:2;
    reference:md5,8643a44febdf73159b2d5c437dc40cd3;
    classtype:command-and-control;
    sid:2020209; rev:2;
    metadata:created_at 2015_01_20, signature_severity Major, updated_at 2019_07_26;
)

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