alert http any any -> $HOME_NET any (msg:"ET EXPLOIT Belkin Wireless G Router DNS Change POST Request"; flow:to_server,established; urilen:22; http.method; content:"POST"; http.uri; content:"/cgi-bin/setup_dns.exe"; http.request_body; content:"getpage=|2e 2e|/html/setup/dns.htm"; depth:29; fast_pattern; content:"resolver|3a|settings/nameserver1="; distance:0; reference:url,www.exploit-db.com/exploits/3605; classtype:attempted-admin; sid:2020857; rev:6; metadata:created_at 2015_04_08, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_14;)