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MIT License Python Versions Version

uefi_retool

A tool for UEFI firmware reverse engineering.

UEFI firmware analysis with uefi_retool script

Usage:

  • Copy ida_plugin/uefi_analyser.py script and ida_plugin/uefi_analyser directory to IDA plugins directory
  • Edit config.json file
    • PE_DIR is a directory that contains all executable images from the UEFI firmware
    • DUMP_DIR is a directory that contains all components from the firmware filesystem
    • LOGS_DIR is a directory for logs
    • IDA_PATH and IDA64_PATH are paths to IDA Pro executable files
  • Run pip install -r requirements.txt
  • Run python uefi_retool.py command to display the help message

Commands

python uefi_retool.py
Usage: uefi_retool.py [OPTIONS] COMMAND [ARGS]...

Options:
  --help  Show this message and exit.

Commands:
  get-images  Get executable images from UEFI firmware.
  get-info    Analyze the entire UEFI firmware.
  get-pp      Get a list of proprietary protocols in the UEFI firmware.

get-images

python uefi_retool.py get-images --help
Usage: uefi_retool.py get-images [OPTIONS] FIRMWARE_PATH

  Get executable images from UEFI firmware. Images are stored in "modules"
  directory.

Options:
  --help  Show this message and exit.

Example:

python uefi_retool.py get-images test_fw/fw-tp-x1-carbon-5th.bin

get-info

python uefi_retool.py get-info --help
Usage: uefi_retool.py get-info [OPTIONS] FIRMWARE_PATH

  Analyze the entire UEFI firmware. The analysis result is saved to .json
  file.

Options:
  -w, --workers INTEGER  Number of workers (8 by default).
  --help                 Show this message and exit.

Example:

python uefi_retool.py get-info -w 6 test_fw/fw-tp-x1-carbon-5th.bin

get-pp

python uefi_retool.py get-pp --help
Usage: uefi_retool.py get-pp [OPTIONS] FIRMWARE_PATH

  Get a list of proprietary protocols in the UEFI firmware. The result is
  saved to .json file.

Options:
  -w, --workers INTEGER  Number of workers (8 by default).
  --help                 Show this message and exit.

Example:

python uefi_retool.py get-pp -w 6 test_fw/fw-tp-x1-carbon-5th.bin

Additional tools

  • tools/update_edk2_guids.py is a script that updates protocol GUIDs list from edk2 project

IDA plugin

IDA plugin for UEFI analysis

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