alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Sakura - Payload Requested"; flow:established,to_server; http.uri; content:".pkg"; endswith; nocase; pcre:"/\/\d+\.pkg$/i"; http.user_agent; content:"Java/1."; fast_pattern; classtype:exploit-kit; sid:2016943; rev:10; metadata:created_at 2013_05_29, signature_severity Major, updated_at 2024_03_17;)