alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT RedKit - Landing Page"; flow:established,to_client; file_data; content:".jar"; nocase; fast_pattern; content:".pdf"; nocase; content:"Msxml2.XMLHTTP"; nocase; classtype:exploit-kit; sid:2016128; rev:2; metadata:created_at 2012_12_29, signature_severity Major, updated_at 2019_07_26;)