alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE HTTP Request to URL Ending in Payload .bin"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/payload"; fast_pattern; content:".bin"; endswith; pcre:"/\x2fpayload.{0,5}?\x2ebin$/"; http.request_header; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; reference:md5,0de8355fa0dae02193976464d64d45b3; classtype:trojan-activity; sid:2053319; rev:1; metadata:attack_target Client_Endpoint, tls_state plaintext, created_at 2024_06_06, deployment Perimeter, confidence High, signature_severity Major, updated_at 2024_06_06;)