alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT CritXPack Jar Request (2)"; flow:established,to_server; content:".php?i="; http_uri; pcre:"/\/j\d{2}\.php\?i=/U"; content:"Java/1."; http_user_agent; fast_pattern; classtype:exploit-kit; sid:2016013; rev:7; metadata:created_at 2012_12_08, signature_severity Major, updated_at 2019_10_08;)