alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT CCBill Online Payment Systems RCE (Outbound)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/ccbill/whereami.cgi?g="; within:40; fast_pattern; content:"http"; distance:0; reference:url,unit42.paloaltonetworks.com/mirai-variant-echobot-resurfaces-with-13-previously-unexploited-vulnerabilities/; classtype:attempted-admin; sid:2029174; rev:2; metadata:affected_product Linux, attack_target IoT, created_at 2019_12_16, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_26;)