{"success":true,"data":{"ext":"nvram","name":"VMware BIOS","description":"VMware BIOS NVRAM is a non-volatile firmware state file format created and maintained by VMware for its virtualization products. It stores BIOS configuration data for virtual machines, including boot settings, hardware parameters, and other persistent system state used during startup and reconfiguration. The format is generally safe and low risk, although corrupted or manually edited files can prevent a guest from booting correctly; it is mainly associated with legacy BIOS-based virtual machines.","mime":[],"risk_level":"Safe","signatures":[{"hex":"4D 52 56 4E","offset":0,"sources":[{"name":"Gary Kessler","url":"https://www.garykessler.net/library/file_sigs_GCK_latest.html"}]}],"related":[],"usage":{"python":"def is_nvram(file_path: str) -> bool:\n    \"\"\"Check if file is a valid NVRAM by magic bytes.\"\"\"\n    signature = bytes([0x4D, 0x52, 0x56, 0x4E])\n    with open(file_path, \"rb\") as f:\n        return f.read(4) == signature","node":"function isNVRAM(buffer: Buffer): boolean {\n  const signature = Buffer.from([0x4D, 0x52, 0x56, 0x4E]);\n  return buffer.subarray(0, 4).equals(signature);\n}","go":"func IsNVRAM(data []byte) bool {\n    signature := []byte{0x4D, 0x52, 0x56, 0x4E}\n    if len(data) < 4 {\n        return false\n    }\n    return bytes.Equal(data[:4], signature)\n}"}}}