alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Styx Exploit Kit - JAR Exploit"; flow:established,to_server; urilen:>300; http.uri; content:".jar"; fast_pattern; content:"/"; offset:1; content:"_"; offset:1; content:"-"; offset:1; pcre:"/^\/[a-zA-Z0-9_\x2f-]{300,}\.jar$/"; http.user_agent; content:"Java/1."; classtype:exploit-kit; sid:2017840; rev:5; metadata:created_at 2013_12_12, signature_severity Major, updated_at 2024_03_19;)