alert http $EXTERNAL_NET [!443] -> $HOME_NET any (msg:"ET EXPLOIT Metasploit Random Base CharCode JS Encoded String"; flow:established,to_client; file_data; content:"String.fromCharCode("; pcre:"/^(?=(?:(:?0x[a-f0-9]{2}|0+?\d{1,3})\s*?,\s*?)*?\d{1,3})(?=(?:(:?0x[a-f0-9]{2}|\d{1,3})\s*?,\s*?)*?0+?\d{1,3})(?=(?:(:?0+?\d{1,3}|\d{1,3})\s*?,\s*?)*?0x[a-f0-9]{2})(?:(:?0x[a-f0-9]{2}|0+?\d{1,3}|\d{1,3})\s*?,\s*?)+(:?0x[a-f0-9]{2}|0+?\d{1,3}|\d{1,3})\s*?\)/Rsi"; classtype:trojan-activity; sid:2019091; rev:5; metadata:affected_product Any, attack_target Client_and_Server, created_at 2014_08_29, deployment Perimeter, deployment Internet, deployment Internal, deployment Datacenter, signature_severity Critical, tag Metasploit, updated_at 2023_06_01;)