{"success":true,"data":{"ext":"iec","name":"IEC","description":"IEC is a legacy executable file format introduced by Microsoft for MS-DOS and later extended by Microsoft for Windows-based systems. It is used to start programs, deliver system utilities, and support older application and installer workflows on compatible operating systems. As a historical predecessor to newer Windows executable formats, it should be treated as untrusted code and opened only with appropriate security controls.","mime":[],"risk_level":"Safe","signatures":[{"hex":"4D 5A","offset":0,"sources":[{"name":"Wikipedia","url":"https://en.wikipedia.org/wiki/List_of_file_signatures"}]}],"related":[],"usage":{"python":"def is_iec(file_path: str) -> bool:\n    \"\"\"Check if file is a valid IEC by magic bytes.\"\"\"\n    signature = bytes([0x4D, 0x5A])\n    with open(file_path, \"rb\") as f:\n        return f.read(2) == signature","node":"function isIEC(buffer: Buffer): boolean {\n  const signature = Buffer.from([0x4D, 0x5A]);\n  return buffer.subarray(0, 2).equals(signature);\n}","go":"func IsIEC(data []byte) bool {\n    signature := []byte{0x4D, 0x5A}\n    if len(data) < 2 {\n        return false\n    }\n    return bytes.Equal(data[:2], signature)\n}"}}}