BIOS/UEFI serial numbers are identifiers stored in the system firmware, providing another layer of hardware identification.
📊 BIOS Information
- Serial Number: Unique firmware identifier
- Version: BIOS/UEFI version string
- Release Date: Firmware release date
- Vendor: American Megatrends, Phoenix, etc.
🔬 Access Methods
# Windows
wmic bios get serialnumber, version, releasedate
# Linux
sudo dmidecode -t bios
# macOS
system_profiler SPHardwareDataType🎯 Fingerprinting Value
BIOS information helps identify:
- System manufacturer (OEM systems have specific BIOS)
- Virtual machines (VM BIOS strings are recognizable)
- System age (via release date)
🛡️ Spoofing BIOS Info
Modifying BIOS information requires:
- Virtual machine configuration
- BIOS modification tools (risky)
- Driver-level interception