alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE J-Spy JSP webshell request"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".jsp"; endswith; http.referer; content:".jsp"; endswith; http.request_body; content:"action="; fast_pattern; startswith; pcre:"/^(?:FileManager|PortScan|ExecuteCommand|DatabaseManager)/R"; reference:url,github.com/dingody/jspy; classtype:trojan-activity; sid:2036648; rev:1; metadata:attack_target Web_Server, created_at 2022_05_20, deployment Perimeter, deployment SSLDecrypt, malware_family J_spy, performance_impact Low, confidence High, signature_severity Major, tag WebShell, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_05_20;)