alert http $HOME_NET any -> $EXTERNAL_NET 81:90 (msg:"ET EXPLOIT_KIT Sakura - Payload Requested"; flow:established,to_server; http.uri; content:".html"; endswith; pcre:"/\/[0-9]{4}\.html$/i"; http.user_agent; content:"Java/1."; fast_pattern; classtype:exploit-kit; sid:2016786; rev:7; metadata:created_at 2013_04_26, signature_severity Major, updated_at 2024_03_17;)