{"success":true,"data":{"ext":"ftr","name":"GN Nettest WinPharoah filter file","description":"GN Nettest WinPharoah filter file is a proprietary file format associated with GN Nettest’s WinPharoah software, maintained for use within its testing environment. It is used to store filter definitions for network test and analysis workflows in WinPharoah applications. The format is generally considered safe, though support may be limited to legacy GN Nettest tools, and files from untrusted sources should still be handled with normal caution.","mime":[],"risk_level":"Safe","signatures":[{"hex":"D2 0A 00 00","offset":0,"sources":[{"name":"Gary Kessler","url":"https://www.garykessler.net/library/file_sigs_GCK_latest.html"}]}],"related":[],"usage":{"python":"def is_ftr(file_path: str) -> bool:\n    \"\"\"Check if file is a valid FTR by magic bytes.\"\"\"\n    signature = bytes([0xD2, 0x0A, 0x00, 0x00])\n    with open(file_path, \"rb\") as f:\n        return f.read(4) == signature","node":"function isFTR(buffer: Buffer): boolean {\n  const signature = Buffer.from([0xD2, 0x0A, 0x00, 0x00]);\n  return buffer.subarray(0, 4).equals(signature);\n}","go":"func IsFTR(data []byte) bool {\n    signature := []byte{0xD2, 0x0A, 0x00, 0x00}\n    if len(data) < 4 {\n        return false\n    }\n    return bytes.Equal(data[:4], signature)\n}"}}}