alert http any any -> $HOME_NET any (msg:"ET EXPLOIT D-Link DSL-2740R Remote DNS Change Attempt"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/Forms/dns_1?"; fast_pattern; content:"Enable_DNSFollowing=1"; distance:0; content:"dnsPrimary="; distance:0; reference:url,www.exploit-db.com/exploits/35917; classtype:attempted-admin; sid:2023466; rev:8; metadata:created_at 2015_01_29, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_12_03;)