alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED Blackhole Exploit Pack HCP exploit 4"; flow:established,to_server; content:"/hhcp.php?c="; http_uri; pcre:"/hhcp.php?c=[a-f0-9]{5}$/U"; flowbits:set,et.exploitkitlanding; classtype:bad-unknown; sid:2014284; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2012_02_25, deployment Perimeter, malware_family Blackhole, signature_severity Critical, tag Blackhole, tag Exploit_Kit, updated_at 2019_07_26;)