alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Revcode RAT CnC"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; http.user_agent; content:"WinHttpRequest"; http.request_body; content:"keyauth="; fast_pattern; depth:8; content:"&key="; distance:0; content:"&uid="; distance:0; http.header_names; content:!"Referer|0d 0a|"; reference:md5,3f652d9bc17a4be3c0e497ea19848344; classtype:command-and-control; sid:2024500; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_07_27, deployment Perimeter, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2020_08_11;)