UEFI and SMM Assessment Tool
Features
Platbox is a tool that helps assessing the security of the platform:
- Dumps the platform registers that are interesting security-wise
- Flash Locks
- MMIO and Remapping Locks
- SMM Base and Locks
- MSRs
- RW access to the PCI configuration space of devices.
- RW to physical memory and virtual memory.
- Allows allocating physical memory and map memory to usermode.
- Read and Write MSRs.
- Dump SPI Flash content (BIOS) into a file.
- Basic dumb SMI Fuzzer.
- Dump S3 Bootscript (from SMM-Lockbox) into a file.
- Dump EFI Memory Map (Linux only for now).
- List UEFI variables.
- Supports Linux and Windows.
- Supports Intel and AMD.
Example of 'chipset' command output for an AMD platform
Project Structure
The project is divided as follows:
- PlatboxDrv: kernel drivers used for Linux and Windows.
- PlatboxLib: the usermode component that loads the kernel driver and provides access to all the previously listed features.
- PlatboxCli: a console client that uses the library.
- Pocs: an example of a program using features from the libary.
Compilation Steps
Windows
mkdir build
cd build
cmake -G "Visual Studio 17 2022" -A x64 -S .. -B "build64"
cmake --build build64/ --target platbox_cli
Release Build
cmake -G "Visual Studio 17 2022" -A x64 -S .. -B "build64"
cmake --build build64/ --target platbox_cli --config Release