ET INFO DNSBin Demo (requestbin .net) - Data Exfil

Query · suricata

threshold:type limit, track by_src, seconds 180, count 1;
dns.query; bsize:>32;
content:"|2e|";
content:".requestbin.net"; distance:1; within:15; endswith;
Raw source ET INFO DNSBin Demo (requestbin .net) - Data Exfil · Suricata
Esc
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 INFO DNSBin Demo (requestbin .net) - Data Exfil";
    threshold:type limit, track by_src, seconds 180, count 1;
    dns.query; bsize:>32;
    content:"|2e|";
    content:".requestbin.net"; distance:1; within:15; endswith;
    reference:md5,2e065fdd4099b51a48228a30793e3267;
    reference:url,requestbin.net/dns;
    classtype:misc-activity;
    sid:2039018; rev:3;
    metadata:attack_target Client_Endpoint, created_at 2022_09_27, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2023_08_25, reviewed_at 2023_11_17;
)

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