alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Suspected BTC Swapper Activity (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/defaultpservpro.aspx?S="; startswith; fast_pattern; content:"&D="; distance:0; content:"&N="; distance:0; classtype:trojan-activity; sid:2037906; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_08_02, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_02;)