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Published on January 23rd, 2016 📆 | 3962 Views ⚑


radare2 — Reverse Engineering Framework

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r2 is a rewrite from scratch of radare in order to provide a set of libraries and tools to work with binary files

Radare project started as a forensics tool, an scriptable commandline hexadecimal editor able to open disk files, but later support for analyzing binaries, disassembling code, debugging programs, attaching to remote gdb servers, ..

The core of the hexadecimal editor and debugger. radare2 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. It 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.

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radare2 is portable !
  • Architectures:
    • 6502, 8051, CRIS, H8/300, LH5801, T8200, arc, arm, avr, bf, blackfin, csr, dalvik, dcpu16, gameboy, i386, i4004, i8080, m68k, malbolge, mips, msil, msp430, nios II, powerpc, rar, sh, snes, sparc, tms320 (c54x c55x c55+), V810, x86-64, zimg, risc-v.


  • File Formats:
    • bios, CGC, dex, elf, elf64, filesystem, java, fatmach0, mach0, mach0-64, MZ, PE, PE+, TE, COFF, plan9, dyldcache, Commodore VICE emulator, Game Boy (Advance), Nintendo DS ROMs and Nintendo 3DS FIRMs.


  • Operating Systems:
    • Android, GNU/Linux, [Net|Free|Open]BSD, iOS, OSX, QNX, w32, w64, Solaris, Haiku, FirefoxOS


  • Bindings:
    • Vala/Genie, Python (2, 3), NodeJS, LUA, Go, Perl, Guile, php5, newlisp, Ruby, Java, OCAML, …




The Radare2 project is a set of small command-line utilities that can be used together or independently.


A program 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.



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.


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A program 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.


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.

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radare2 can be built without any special dependency, just use make and get a working toolchain (gcc, clang, tcc, ..). Optionally you can use libewf for loading EnCase disk images. To build the bindings you need latest valabind, g++ and swig2.



The easiest way to install radare2 from git is by running the following command:

$ sys/

If you want to install radare2 in the home directory without using root privileges and sudo, simply run:

$ sys/




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