{"success":true,"data":{"ext":"msix","name":"MSIX","description":"MSIX is a Windows application packaging format developed and maintained by Microsoft for distributing software and application components. It is used to install, update, and remove desktop, UWP, and other Windows applications in a standardized package. MSIX packages are typically signed and can be checked for integrity, but files from untrusted sources should still be verified before installation.","mime":["application/msix"],"risk_level":"Safe","signatures":[{"hex":"50 4B 03 04","offset":0,"sources":[{"name":"Wikipedia","url":"https://en.wikipedia.org/wiki/List_of_file_signatures"}]},{"hex":"50 4B 05 06","offset":0,"sources":[{"name":"Wikipedia","url":"https://en.wikipedia.org/wiki/List_of_file_signatures"}]},{"hex":"50 4B 07 08","offset":0,"sources":[{"name":"Wikipedia","url":"https://en.wikipedia.org/wiki/List_of_file_signatures"}]}],"related":[],"usage":{"python":"def is_msix(file_path: str) -> bool:\n    \"\"\"Check if file is a valid MSIX by magic bytes.\"\"\"\n    signature = bytes([0x50, 0x4B, 0x03, 0x04])\n    with open(file_path, \"rb\") as f:\n        return f.read(4) == signature","node":"function isMSIX(buffer: Buffer): boolean {\n  const signature = Buffer.from([0x50, 0x4B, 0x03, 0x04]);\n  return buffer.subarray(0, 4).equals(signature);\n}","go":"func IsMSIX(data []byte) bool {\n    signature := []byte{0x50, 0x4B, 0x03, 0x04}\n    if len(data) < 4 {\n        return false\n    }\n    return bytes.Equal(data[:4], signature)\n}"}}}