Binwalk – Firmware Security Analysis & Extraction Tool

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Binwalk – Firmware Security Analysis & Extraction Tool

Binwalk is a fast and easy to use Python-based firmware security analysis tool that allows for firmware analysis, reverse engineering, and extraction of firmware images.

Features of Binwalk Firmware Security Analysis & Extraction Tool

  • Scanning Firmware – Binwalk can scan a firmware image for many different embedded file types and file systems
  • File Extraction – You can tell binwalk to extract any files that it finds in the firmware image
  • Entropy Analysis – Can help identify interesting sections of data inside a firmware image
  • String Search – Allows you to search the specified file(s) for a custom string

There are also various filters such as by CPU architecture, number of instructions, include filter, exclude filter,

Installation of Binwalk Firmware Security Analysis & Extraction Tool

Download binwalk:

$ wget https://github.com/ReFirmLabs/binwalk/archive/master.zip
$ unzip master.zip

Install binwalk; if you have a previously installed version of binwalk, it is suggested that you uninstall it before upgrading:

$ (cd binwalk-master && sudo python setup.py uninstall && sudo python setup.py install)

Debian users can install all optional and suggested extractors/dependencies using the included deps.sh script (recommended):

$ sudo ./binwalk-master/deps.sh

If you are not a Debian user, or if you wish to install only selected dependencies, see the INSTALL documentation for more details.

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