ET EXPLOIT TP-LINK DNS Change GET Request (DNSChanger EK)

Query · suricata

flow:to_server,established;
threshold:type both,track by_dst,count 3, seconds 90;
http.method;
content:"GET";
http.uri;
content:"/userRpm/"; depth:9; fast_pattern;
content:"&dnsserver=";
Raw source ET EXPLOIT TP-LINK DNS Change GET Request (DNSChanger EK) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http any any -> $HOME_NET any (
    msg:"ET EXPLOIT TP-LINK DNS Change GET Request (DNSChanger EK)";
    flow:to_server,established;
    threshold:type both,track by_dst,count 3, seconds 90;
    http.method;
    content:"GET";
    http.uri;
    content:"/userRpm/"; depth:9; fast_pattern;
    content:"&dnsserver=";
    reference:url,www.xexexe.cz/2015/02/bruteforcing-tp-link-routers-with.html;
    classtype:attempted-admin;
    sid:2023995; rev:2;
    metadata:affected_product Linux, attack_target Networking_Equipment, created_at 2017_02_17, deployment Internet, performance_impact Moderate, signature_severity Major, updated_at 2020_08_04;
)

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