ET EXPLOIT_KIT Spelevo EK Post-Compromise Data Dump

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET EXPLOIT_KIT Spelevo EK Post-Compromise Data Dump";
    flow:to_server,established;
    http.method;
    content:"POST";
    http.uri;
    content:"/?"; depth:2;
    http.request_body;
    content:"|06 00 00 00 01 00 00 00|"; depth:8;
    content:"|00 00 02 00 00 00|"; offset:8; depth:16;
    http.header_names;
    content:!"Referer|0d 0a|";
    content:!"User-Agent|0d 0a|";
    content:!"Accept";
    content:!"Cookie|0d 0a|";
    classtype:exploit-kit;
    sid:2027075; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_03_11, deployment Perimeter, malware_family Spleevo_EK, performance_impact Moderate, confidence Medium, signature_severity Major, updated_at 2020_11_04;
)