ET EXPLOIT ARG-W4 ASDL Router DNS Changer Exploit Attempt

Query · suricata

flow:established,to_server;
http.uri;
content:"/form2dns.cgi?dnsmode=1&dns1="; nocase;
content:"&dns2="; distance:0;
content:"&dns3="; distance:0;
content:"&submit.htm?dns.htm=send&save="; fast_pattern; distance:0; nocase;
Raw source ET EXPLOIT ARG-W4 ASDL Router DNS Changer Exploit Attempt · 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";
    flow:established,to_server;
    http.uri;
    content:"/form2dns.cgi?dnsmode=1&dns1="; nocase;
    content:"&dns2="; distance:0;
    content:"&dns3="; distance:0;
    content:"&submit.htm?dns.htm=send&save="; fast_pattern; distance:0; nocase;
    reference:url,csirt.bank.gov.ua/en/news/44;
    classtype:attempted-admin;
    sid:2027907; rev:4;
    metadata:attack_target Networking_Equipment, created_at 2019_08_23, deployment Perimeter, performance_impact Moderate, signature_severity Major, updated_at 2021_03_04;
)

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