: Allows you to use any image, typically as a 24-bit BMP file named splash.bmp Reversible Changes
Before attempting to install or configure HackBGRT, your computer must meet the following baseline constraints:
: Your PC must use UEFI boot mode (not Legacy/BIOS) and a GPT partition style.
: Unzip the downloaded package to a folder on your system hackbgrt151
Modifying the bootloader carries an inherent risk. If the EFI partition is improperly handled or if there are multiple bootable drives, the automatic setup may fail. Compatibility:
This image is displayed before the operating system (like Windows or Linux) even starts loading, creating a seamless, branded boot experience. What is a "HackBGRT" Attack?
: Improper installation or configuration can make the system unbootable. It is highly recommended to create a rescue disk before use. : Allows you to use any image, typically
Utilize systems with modern security features like or AMD Hardware Verified Boot , which verify the integrity of the firmware before executing it [1]. Conclusion
The utility operates at a low level. It does not flash the BIOS chip itself (which is dangerous), but rather manipulates the BGRT pointer. It copies a user-supplied image into a compatible format and updates the system’s pointers to look at this new image location upon boot.
The is an ACPI (Advanced Configuration and Power Interface) table introduced in UEFI (Unified Extensible Firmware Interface) specifications [1]. Its purpose is quite simple and benign: it allows the motherboard firmware to load a custom image—such as a manufacturer's logo (Dell, HP, Lenovo)—very early in the boot process. Compatibility: This image is displayed before the operating
| Method | Difficulty | Risk | Persistence | |--------|------------|------|-------------| | | Medium | Low | High | | Manually patching bootres.dll | High | High (brick risk) | Low | | Third-party boot managers (rEFInd) | High | Medium | High | | UEFI firmware modding (UEFITool) | Expert | Very High | Very High |
A command prompt will open, and Notepad will open with a config file. Simply close the Notepad file to use the default settings.