alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT Nuclear EK Gate Sep 16 2014"; flow:established,from_server; file_data; content:"16.html"; fast_pattern; content:"etCookie"; content:"document.write(|27|<iframe"; pcre:"/^(?=(?:(?!<\/iframe>).)+?src\s*?=\s*?\x22http\x3a[^\x22]+16\.html\x22)(?=(?:(?!<\/iframe>).)+?left\s*?[\x3a\x3d]\s*?[\x22\x27]?\-)(?=(?:(?!<\/iframe>).)+?top\s*?[\x3a\x3d]\s*?[\x22\x27]?\-)(?:(?!<\/iframe>).)+?<\/iframe>\x27\x29/Rsi"; classtype:exploit-kit; sid:2019185; rev:5; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2014_09_16, deployment Perimeter, malware_family Nuclear, confidence High, signature_severity Critical, tag Exploit_Kit, tag Nuclear, updated_at 2019_10_08;)