alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT FlimKit Jar URI Struct"; flow:established,to_server; content:"Java/1."; http_user_agent; content:".jar"; http_uri; fast_pattern; pcre:"/^[^\/]*?\/[a-f0-9]{8}[a-z0-9]+\.jar$/U"; pcre:"/\d/U"; pcre:"/[a-f]/U"; classtype:exploit-kit; sid:2017152; rev:6; metadata:created_at 2013_07_17, signature_severity Major, updated_at 2019_10_08;)