alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Remcos Builder License Check"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"logaccess.php?DATA="; fast_pattern; pcre:"/^[0-9A-F]+$/R"; http.user_agent; content:"Remcos"; bsize:6; classtype:trojan-activity; sid:2032783; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_04_19, deployment Perimeter, malware_family Remcos, performance_impact Low, confidence High, signature_severity Major, updated_at 2021_04_19;)