alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Sibhost Status Check"; flow:established,to_server; http.method; content:"POST"; http.uri; pcre:"/\?(s|page|id)=\d+$/"; http.user_agent; content:"|29 20|Java/1"; fast_pattern; http.request_body; content:"text="; startswith; classtype:exploit-kit; sid:2015974; rev:17; metadata:created_at 2012_11_30, signature_severity Major, updated_at 2024_04_14;)