ET MALWARE Arkei/Vidar/Mars Stealer Variant

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Arkei/Vidar/Mars Stealer Variant";
    flow:established,to_server;
    http.request_line;
    content:"POST / HTTP/1.1"; bsize:15;
    http.content_type;
    content:"multipart/form-data|3b 20|boundary="; startswith;
    http.request_body;
    content:"Content-Disposition|3a 20|form-data|3b 20|name=|22|profile|22|";
    content:"Content-Disposition|3a 20|form-data|3b 20|name=|22|profile_id|22|"; fast_pattern; distance:0;
    content:"Content-Disposition|3a 20|form-data|3b 20|name=|22|hwid|22|"; distance:0;
    content:"Content-Disposition|3a 20|form-data|3b 20|name=|22|file|22|"; distance:0;
    reference:url,twitter.com/James_inthe_box/status/1517238542434414592;
    reference:md5,21e2215738a8e9c9d1ed1e1f66cff10e;
    classtype:trojan-activity;
    sid:2036316; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_04_21, deployment Perimeter, malware_family Arkei, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_04_21, reviewed_at 2024_12_02;
)