alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT Secutech Router DNS Changer Exploit Attempt"; flow:established,to_server; http.uri; content:"/wan_dns.asp?go=wan_dns.asp&reboottag=&dsen=1&dnsen=on&ds1="; fast_pattern; content:"&ds2="; distance:0; reference:url,csirt.bank.gov.ua/en/news/44; classtype:attempted-admin; sid:2027909; rev:2; metadata:attack_target Client_Endpoint, created_at 2019_08_23, deployment Perimeter, performance_impact Moderate, signature_severity Major, updated_at 2020_09_01;)