ET MALWARE MSIL/PSW.Agent.QJK Stealer Data Exfil Via HTTP

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE MSIL/PSW.Agent.QJK Stealer Data Exfil Via HTTP";
    flow:established,to_server;
    urilen:1;
    http.method;
    content:"POST";
    http.request_body;
    content:"Content-Disposition|3a 20|form-data|3b 20|name=|22|file|22 3b 20|filename=|22|"; fast_pattern;
    pcre:"/^(?:(?:Passwords|PCinformation)\.txt|(?:Data|GrabbedTxtFiles)\.zip)\x22\r\n/Ri";
    http.content_type;
    content:"multipart/form-data|3b 20|boundary="; startswith;
    http.header_names;
    content:!"User-Agent|0d 0a|";
    content:!"Accept";
    content:!"Referer|0d 0a|";
    reference:md5,4bc4b071d9a7e482f3ecf8b2cbe10873;
    classtype:trojan-activity;
    sid:2024455; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_07_11, deployment Perimeter, malware_family Unknown, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2020_08_10;
)