alert http any any -> $HOME_NET any (msg:"ET EXPLOIT TP-LINK TL-WR340G Router DNS Change GET Request"; flow:to_server,established; http.method; content:"GET"; http.uri; content:"/userRpm/WanDynamicIpCfgRpm.htm?"; depth:32; content:"&dnsserver="; content:"&Save=Save"; fast_pattern; reference:url,www.exploit-db.com/exploits/34583; classtype:attempted-admin; sid:2020856; rev:5; metadata:created_at 2015_04_08, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_13;)