alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT Terror EK Landing M1 Feb 07 2016 M2"; flow:established,from_server; file_data; content:"EB02EB05E8F9FFFFFF"; nocase; fast_pattern; pcre:"/(?:value=[\x22\x27](?:sh(?:ell(?:32)?)?|exec)=|unescape\(EscapeHexString\(.)EB02EB05E8F9FFFFFF/si"; classtype:exploit-kit; sid:2023879; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2017_02_07, deployment Perimeter, malware_family Exploit_Kit, performance_impact Low, confidence High, signature_severity Major, tag Exploit_Kit_Terror, updated_at 2019_10_08;)