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Reverse engineering tool for x86/ARM. Generates indented pseudo-C with colored syntax code.

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Reverse

Reverse engineering for x86/ARM/MIPS binaries. Generate a more readable code (pseudo-C) with colored syntax.

Supported formats : ELF, PE.

The Makefile is used only for checking tests.

Requirements

python >= 3.4
capstone   python bindings (see requirements.sh)
python-pyelftools
https://github.com/simonzack/pefile-py3k
terminal with 256 colors (if not use the option `--nocolor`)

For Python binding of Capstone engine, you can install it from PyPi, like followings:

sudo pip3 install capstone

You can also run requirements.sh which will retrieve all requirements.

Analyze shellcodes

For every int 0x80, the tool try to detect syscalls with parameters.

$ ./reverse.py --raw x86 tests/shellcode.bin
function 0x0 {
    0x0: eax = 0 # xor eax, eax
    0x2: al = '\x0b' # mov al, 0xb
    0x4: cdq
    0x5: push edx
    0x6: push 1752379246 "n/sh"
    0xb: push 1768042287 "//bi"
    0x10: ebx = esp # mov ebx, esp
    0x12: push edx
    0x13: push ebx
    0x14: ecx = esp # mov ecx, esp
    0x16: int 128 ; execve(ebx, ecx, edx) # int 0x80
}

Example

$ ./reverse.py tests/nestedloop1.bin

reverse

By opening d3/index.html (with the option --graph) you will be able to see the flow graph :

graph

Edit with vim

$ ./reverse tests/dowhile1.bin --vim
You can now run : vim dowhile1.bin.rev -S dowhile1.bin.vim

Interactive mode

With the option -i you enter in the interactive mode. See help.

Custom colors

At the first run, reverse.py creates a new file custom_colors.py with default values. Here you can set your own colors.

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Reverse engineering tool for x86/ARM. Generates indented pseudo-C with colored syntax code.

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  • Python 85.9%
  • C 11.1%
  • HTML 1.5%
  • Shell 1.1%
  • Makefile 0.4%