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The purpose of this project is to provide a cross platform library which can parse, modify and abstract ELF, PE and MachO formats.

Main features:

  • Parsing: LIEF can parse ELF, PE, MachO and provides an user-friendly API to access to format internals.
  • Modify: LIEF enables to modify some parts of these formats
  • Abstract: Three formats have common features like sections, symbols, entry point... LIEF factors them.
  • API: LIEF can be used in C, C++ and Python

Downloads / Install

Pre-built packages are automatically generated and uploaded by continuous integration services.

Latest tagged version can be downloaded in the Release section.

Pre-built packages from the master's latest commit are automatically uploaded in the lief-project/packages repository:

⚠️ master SDK packages have a same name as tagged packages (e.g. LIEF-0.7.0-Linux.tar.gz) ⚠️

⚠️ master Python package has dev suffix (e.g. pylief-0.7.0.dev.zip) ⚠️

Linux Windows - x86 Windows - x86-64 OSX
SDK SDK SDK SDK

Python

SDK SDK SDK SDK
Python 2.7 Python 2.7 Python 2.7 Python 2.7
Python 3.5 Python 3.5 Python 3.5 Python 3.5
Python 3.6 Python 3.6 Python 3.6 Python 3.6

Here one can find guides to install or integrate LIEF:

Getting started

Python

import lief
# ELF
binary = lief.parse("/usr/bin/ls")
print(binary)

# PE
binary = lief.parse("C:\\Windows\\explorer.exe")
print(binary)

# Mach-O
binary = lief.parse("/usr/bin/ls")
print(binary)

C++

#include <LIEF/LIEF.hpp>
int main(int argc, const char** argv) {
  LIEF::ELF::Binary*   elf   = LIEF::ELF::Parser::parse("/usr/bin/ls");
  LIEF::PE::Binary*    pe    = LIEF::PE::Parser::parse("C:\\Windows\\explorer.exe");
  LIEF::MachO::Binary* macho = LIEF::MachO::Parser::parse("/usr/bin/ls");

  std::cout << *elf   << std::endl;
  std::cout << *pe    << std::endl;
  std::cout << *macho << std::endl;

  delete elf;
  delete pe;
  delete macho;
}

C

#include <LIEF/LIEF.h>
int main(int argc, const char** argv) {

  Elf_Binary_t*    elf_binary     = elf_parse("/usr/bin/ls");
  Pe_Binary_t*     pe_binary      = pe_parse("C:\\Windows\\explorer.exe");
  Macho_Binary_t** macho_binaries = macho_parse("/usr/bin/ls");

  Pe_Section_t**    pe_sections    = pe_binary->sections;
  Elf_Section_t**   elf_sections   = elf_binary->sections;
  Macho_Section_t** macho_sections = macho_binaries[0]->sections;

  for (size_t i = 0; pe_sections[i] != NULL; ++i) {
    printf("%s\n", pe_sections[i]->name)
  }

  for (size_t i = 0; elf_sections[i] != NULL; ++i) {
    printf("%s\n", elf_sections[i]->name)
  }

  for (size_t i = 0; macho_sections[i] != NULL; ++i) {
    printf("%s\n", macho_sections[i]->name)
  }

  elf_binary_destroy(elf_binary);
  pe_binary_destroy(pe_binary);
  macho_binaries_destroy(macho_binaries);
}

Documentation

Contact

Authors

Romain Thomas (@rh0main) - Quarkslab


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LIEF - Library to Instrument Executable Formats

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