ET EXPLOIT COMTREND ADSL Router CT-5367 Remote DNS Change Attempt

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/dnscfg.cgi?"; fast_pattern; nocase;
content:"dnsPrimary=";
content:"dnsRefresh="; nocase;
Raw source ET EXPLOIT COMTREND ADSL Router CT-5367 Remote DNS Change Attempt · 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 http any any -> $HOME_NET any (
    msg:"ET EXPLOIT COMTREND ADSL Router CT-5367 Remote DNS Change Attempt";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/dnscfg.cgi?"; fast_pattern; nocase;
    content:"dnsPrimary=";
    content:"dnsRefresh="; nocase;
    reference:url,www.expku.com/remote/5853.html;
    classtype:attempted-admin;
    sid:2023467; rev:4;
    metadata:attack_target Client_Endpoint, created_at 2016_10_31, deployment Perimeter, signature_severity Major, updated_at 2021_03_03;
)

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