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;)