Radare2 - The Reverse Engineering Framework (Tool For Hackers)


Radare2 is a portable framework for reverse engineering and analyzing binaries. It is actually a rewrite from the scratch of radare -- a forensics tool.

(Download link is at the end of this article)

It consists of the following command-line utilities:
  • radare2
  • rabin2
  • rasm2
  • rahash2
  • radiff2
  • rafind2
  • ragg2
  • rarun2
  • rax2


It is the core of of the hexadecimal editor and debugger. It allows you to open a number of input/output sources as if they were simple, plain files, including disks, network connections, kernel drivers, processes under debugging, and so on.

Radare2 implements an advanced command line interface for moving around a file, analyzing data, disassembling, binary patching, data comparison, searching, replacing, visualizing. It can be scripted with a variety of languages, including Ruby, Python, Lua, and Perl.


It allows you to extract information from executable binaries, such as ELF, PE, Java CLASS, and Mach-O. rabin2 is used by the core to get exported symbols, imports, file information, cross references (xrefs), library dependencies, sections, etc.


It is a command line assembler and disassembler for multiple architectures (including Intel x86 and x86-64, MIPS, ARM, PowerPC, Java, and MSIL).


An implementation of a block-based hash tool. From small text strings to large disks, rahash2 supports multiple algorithms, including MD4, MD5, CRC16, CRC32, SHA1, SHA256, SHA384, SHA512, par, xor, xorpair, mod255, hamdist, or entropy. rahash2 can be used to check the integrity of, or track changes to, big files, memory dumps, and disks.


It is a binary diffing utility that implements multiple algorithms. It supports byte-level or delta diffing for binary files, and code-analysis diffing to find changes in basic code blocks obtained from the radare code analysis, or from the IDA analysis using the rsc idc2rdb script.


It is a program that allows you to find byte patterns in files.


A frontend for r_egg. ragg2 compiles programs written in a simple high-level language into tiny binaries for x86, x86-64, and ARM.


A launcher for running programs within different environments, with different arguments, permissions, directories, and overridden default file descriptors.

Rarun2 is useful for:
  • Crackmes
  • Fuzzing
  • Test suites


A minimalistic mathematical expression evaluator for the shell that is useful for making base conversions between floating point values, hexadecimal representations, hexpair strings to ASCII, octal to integer, etc. It also supports endianness settings and can be used as an interactive shell if no arguments are given.

Download Link

Download Radare2

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