alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED Blackhole Landing Page Applet Structure"; flow:established,to_client; file_data; content:"<|2F|script><applet/archive="; fast_pattern; content:".jar"; within:20; content:"code=|22|"; distance:0; content:"|22|><param/name=|22|"; distance:9; within:15; content:"<|2F|applet><|2F|body><|2F|html>"; distance:0; pcre:"/code\x3D\x22[a-z]{4}\x2E[a-z]{4}\x22/i"; classtype:trojan-activity; sid:2015520; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2012_07_24, deployment Perimeter, malware_family Blackhole, signature_severity Critical, tag Blackhole, tag Exploit_Kit, updated_at 2019_07_26;)