alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED Blackhole2 - Landing Page Received"; flow:established,to_client; file_data; content:"<applet"; content:".php?"; distance:0; pcre:"/^[a-z]{2,12}=[a-f0-9]{64}&[a-z]{2,12}=/R"; classtype:attempted-user; sid:2015701; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2012_09_14, deployment Perimeter, malware_family Blackhole, signature_severity Critical, tag Blackhole, tag Exploit_Kit, updated_at 2019_07_26;)