ET EXPLOIT_KIT EITest SocEng Inject Jan 15 2017 M2

alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET EXPLOIT_KIT EITest SocEng Inject Jan 15 2017 M2";
    flow:established,from_server;
    file_data;
    content:"|69 6e 66 6f 6c|"; fast_pattern;
    content:"|77 69 6e 64 6f 77 2e 63 68 72 6f 6d 65|"; nocase;
    content:"<input"; nocase;
    pcre:"/^(?=[^>]+type\s*=\s*[\x22\x27]hidden[\x22\x27])(?=[^>]+name\s*=\s*[\x22\x27]infol[\x22\x27])[^>]+value\s*=\s*[\x22\x27](?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)[\x22\x27]/Rsi";
    content:"<form"; nocase;
    pcre:"/^(?=[^>]+action\s*=\s*[\x22\x27]http\x3a\x2f)[^>]+method\s*=\s*[\x22\x27]post[\x22\x27]/Rsi";
    classtype:social-engineering;
    sid:2023744; 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_01_17, deployment Perimeter, malware_family EITest, confidence High, signature_severity Major, updated_at 2019_10_08;
)