alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE CargoBay User-Agent"; flow:established,to_server; http.user_agent; content:"zload/0.1"; fast_pattern; classtype:trojan-activity; sid:2038565; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_08_18, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_18;)