alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED Blackhole Acrobat 8/9.3 PDF exploit download request 5"; flow:established,to_server; content:"/adp"; http_uri; content:".php?f="; http_uri; pcre:"/\/adp\d\.php\?=[0-9a-z]{2,6}/Ui"; flowbits:set,et.exploitkitlanding; classtype:trojan-activity; sid:2014195; rev:5; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2012_02_06, deployment Perimeter, malware_family Blackhole, signature_severity Critical, tag Blackhole, tag Exploit_Kit, updated_at 2019_07_26;)