ET MALWARE DNSBin Demo - Data Exfil

Query · suricata

threshold:type limit, track by_src, seconds 180, count 1;
dns.query; bsize:>32;
content:"|2e|";
content:".d.zhack.ca"; distance:20; within:11; endswith;
Raw source ET MALWARE DNSBin Demo - Data Exfil · 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 dns $HOME_NET any -> any any (
    msg:"ET MALWARE DNSBin Demo - Data Exfil";
    threshold:type limit, track by_src, seconds 180, count 1;
    dns.query; bsize:>32;
    content:"|2e|";
    content:".d.zhack.ca"; distance:20; within:11; endswith;
    reference:url,sysopfb.github.io/malware/2019/09/26/Golang-Dropper-With-A-Rat.html;
    reference:url,github.com/ettic-team/dnsbin;
    classtype:command-and-control;
    sid:2028634; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2019_09_27, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2020_09_10;
)

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