alert http any any -> $HOME_NET any (
msg:"ET EXPLOIT D-link DI604 Known Malicious Router DNS Change GET Request";
flow:to_server,established;
http.method;
content:"GET";
http.uri;
content:"/prim.htm?"; depth:10; fast_pattern; nocase;
content:"i00110004="; distance:0;
content:"&i00110005="; distance:0; nocase;
content:"&i00035007="; distance:0; nocase;
reference:url,www.gnucitizen.org/blog/router-hacking-challenge;
classtype:attempted-admin;
sid:2020873; rev:4;
metadata:created_at 2015_04_09, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_05_21;
)