Binwalk is a fast, easy to use tool for analyzing, reverse engineering, and extracting firmware images.
Binwalk follows the standard Python installation procedure:
$ sudo python setup.py installIf you're running Python 2.x, you'll also want to install the Python lzma module:
$ sudo apt-get install python-lzmaFor instructions on installing optional dependencies, see INSTALL.md.
Basic usage is simple:
$ binwalk firmware.bin
DECIMAL HEXADECIMAL DESCRIPTION
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0 0x0 TRX firmware header, little endian, header size: 28 bytes, image size: 14766080 bytes, CRC32: 0x6980E553 flags: 0x0, version: 1
28 0x1C LZMA compressed data, properties: 0x5D, dictionary size: 65536 bytes, uncompressed size: 5494368 bytes
2319004 0x23629C Squashfs filesystem, little endian, version 4.0, compression: xz, size: 12442471 bytes, 3158 inodes, blocksize: 131072 bytes, blocksize: 131072 bytes, created: 2014-05-21 22:38:47For additional examples and descriptions of advanced options, see the wiki.