ET MALWARE Xinference PyPI Supply Chain (TeamPCP) Exfiltration over HTTP

alert http $HOME_NET any -> any any (
    msg:"ET MALWARE Xinference PyPI Supply Chain (TeamPCP) Exfiltration over HTTP";
    flow:established,to_server;
    http.header;
    content:"X-QT-SR|3a 20|14"; fast_pattern;
    http.content_type;
    content:"application/octet-stream";
    http.method;
    content:"POST";
    reference:url,research.jfrog.com/post/xinference-compromise/;
    classtype:trojan-activity;
    sid:2068901; rev:2;
    metadata:attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_04_22, deployment Perimeter, confidence High, signature_severity Major, updated_at 2026_04_22;
)