alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED Blackhole 16-hex/ff.php Jar Download"; flow:established,to_server; content:"/ff.php"; offset:17; depth:7; http_uri; pcre:"/^\/[0-9a-f]{16}\/ff\.php/U"; content:"Java/1."; http_user_agent; flowbits:set,et.exploitkitlanding; classtype:trojan-activity; sid:2016725; rev:9; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2013_04_05, deployment Perimeter, malware_family Blackhole, signature_severity Critical, tag Blackhole, tag Exploit_Kit, updated_at 2019_07_26;)