alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Betabot Checkin 5"; flow:established,to_server; http.uri; content:"/order.php"; fast_pattern; pcre:"/\.php$/"; http.request_body; pcre:"/(?:^|=)[A-F0-9]{70,}(?:$|&)/"; http.header_names; content:!"Referer|0d 0a|"; reference:md5,4c3b84efe89e5f5cf3e17f1e1751e708; classtype:command-and-control; sid:2023765; rev:5; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_01_25, deployment Perimeter, confidence High, signature_severity Major, updated_at 2020_10_09, reviewed_at 2024_04_03;)