alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Go HTTP Client User-Agent"; flow:established,to_server; http.user_agent; content:"Go-http-client"; nocase; fast_pattern; classtype:misc-activity; sid:2024897; rev:3; metadata:attack_target Client_Endpoint, created_at 2017_10_23, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_06_13;)