alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT DRIVEBY Unknown Landing Page Received"; flow:established,from_server; file_data; content:"<applet code="; depth:35; content:".class"; distance:0; content:".jar"; distance:0; content:".pdf"; distance:0; classtype:exploit-kit; sid:2014168; rev:5; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2012_01_28, deployment Perimeter, confidence Medium, signature_severity Major, tag DriveBy, updated_at 2019_07_26;)