ET MALWARE DeltaStealer CnC Checkin

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE DeltaStealer CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.content_type;
    content:"application/json";
    http.host;
    content:".preview.app.github.dev"; endswith;
    http.header_names;
    content:!"|0d 0a|User-Agent|0d 0a|";
    content:!"|0d 0a|Referer|0d 0a|";
    content:"|0d 0a|ownerid|0d 0a|";
    content:"|0d 0a|executable-id|0d 0a|";
    http.request_body;
    content:"|22|report|22 3a 22|https|3a 2f 2f|gofile.io"; fast_pattern;
    reference:url,www.trendmicro.com/zh_hk/research/23/e/rust-based-info-stealers-abuse-github-codespaces.html;
    classtype:trojan-activity;
    sid:2045791; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_05_19, deployment Perimeter, deployment SSLDecrypt, malware_family DeltaStealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_05_19, reviewed_at 2025_07_14;
    target:src_ip;
)