alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED Blackhole 2 Landing Page (9)"; flow:to_server,established; content:"/closest/"; fast_pattern:only; http_uri; content:".php"; http_uri; pcre:"/^\/closest\/(([a-z]{1,16}[-_]){1,4}[a-z]{1,16}|[a-z0-9]{20,}+)\.php/U"; classtype:trojan-activity; sid:2016755; rev:7; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2013_04_13, deployment Perimeter, malware_family Blackhole, signature_severity Critical, tag Blackhole, tag Exploit_Kit, updated_at 2019_07_26;)