ET EXPLOIT ARG-W4 ASDL Router DNS Changer Exploit Attempt M2

Query · suricata

flow:established,to_server;
http.uri;
content:"/form2wan.cgi?wantype=1"; nocase;
content:"&wan_dns2="; distance:0;
content:"&wan_dns3="; distance:0;
content:"&submit.htm"; distance:0;
content:"wan.htm=send&save="; fast_pattern; distance:0; nocase;
Raw source ET EXPLOIT ARG-W4 ASDL Router DNS Changer Exploit Attempt M2 · 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 ARG-W4 ASDL Router DNS Changer Exploit Attempt M2";
    flow:established,to_server;
    http.uri;
    content:"/form2wan.cgi?wantype=1"; nocase;
    content:"&wan_dns2="; distance:0;
    content:"&wan_dns3="; distance:0;
    content:"&submit.htm"; distance:0;
    content:"wan.htm=send&save="; fast_pattern; distance:0; nocase;
    reference:url,cujo.com/dns-hijacking-attacks-on-home-routers-in-brazil/;
    classtype:attempted-admin;
    sid:2031808; rev:2;
    metadata:attack_target Networking_Equipment, created_at 2021_03_04, deployment Perimeter, performance_impact Moderate, confidence High, signature_severity Major, tag DNS_Hijack, updated_at 2021_03_04;
)

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