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Windows PE Packer

Windows PE Packer is a free, MIT-licensed command-line project for packing Windows PE files to make analysis more difficult.

Place
#7 of 28
Score
6.3
Windows PE Packer's website

What Windows PE Packer is

Windows PE Packer is a free, MIT-licensed command-line project for packing Windows PE files to make analysis more difficult. It transforms the import table, encrypts sections, clears section names, and adds a shell-entry. When a packed file runs, the entry decrypts sections, restores the original import table, and performs relocation. The project says this approach can obstruct disassembly, searches for constant strings, and import-table analysis. Its command takes an input filename and an output filename: PE-Packer <input-file> <output-file>. The current project handles only 32-bit .exe programs and must be configured for 32-bit Windows. Building it requires MASM32, MinGW-w64 with the i686 architecture, and CMake. The maker describes it as a beginner demonstration for learning about the Windows PE format and assembly, and warns that compatibility problems and bugs make it unsuitable for practical use. It is written in C and Intel x86 Assembly. The MIT license provides the software as-is without warranty, and the repository has no releases listed.

Good

  • Free and distributed under the MIT License.
  • Demonstrates import-table transformation and section encryption.
  • Command-line input and output are documented.
  • Written in C and Intel x86 Assembly.

Watch out

  • Processes only 32-bit .exe programs.
  • Requires MASM32, i686 MinGW-w64, and CMake to build.
  • Maker says bugs and compatibility issues prevent practical use.
  • Repository lists no releases.

Who it suits

This project suits learners studying Windows PE format and assembly who want to examine a packing demonstration. It is not suited to practical use, according to its maker.

Verdict

Windows PE Packer is a learning-oriented demonstration with a narrow 32-bit executable scope. Its stated compatibility problems and bugs are important constraints for anyone considering it beyond study.

Plans and prices

From Windows PE Packer's own pricing page, checked 10 Oct 2026.

All about pricing
PlanPriceWhat it gives you
Windows PE PackerFreeMIT licensed · processes 32-bit .exe programs

The facts

Each one read from Windows PE Packer's own pages, with the date it was checked.

What it does

Analysis resistance
The project says packing obstructs disassembly, searching constant strings, and analyzing the import table.checked 10 Oct 2026
Architecture limit
It can currently process only 32-bit .exe programs.checked 10 Oct 2026
Build requirements
The project must be configured for Windows 32-bit and requires MASM32, MinGW-w64 with i686 architecture, and CMake.checked 10 Oct 2026
Command-line use
The documented command takes an input filename and an output filename: PE-Packer <input-file> <output-file>.checked 9 Oct 2026
Downloads
The repository's Releases page says there are no releases.checked 9 Oct 2026
Implementation
It is written in C and Intel x86 Assembly.checked 10 Oct 2026
License
The software is distributed under the MIT License, which permits use, copying, modification, distribution, sublicensing, and sale subject to its conditions.checked 10 Oct 2026
License terms
The MIT license grants permission to use, copy, modify, merge, publish, distribute, sublicense, and sell copies, subject to its stated conditions.checked 9 Oct 2026
Packing features
Packing transforms the original import table, encrypts sections, clears section names, and installs a shell-entry.checked 10 Oct 2026
Project status
The maker describes it as a beginner demo for studying Windows PE Format and Assembly Language and says it has compatibility problems and bugs that make it unsuitable for practical use.checked 10 Oct 2026
Purpose
Windows PE Packer packs Windows PE files to obstruct reverse engineering.checked 10 Oct 2026
Runtime behavior
When a packed file runs, its shell-entry decrypts sections, initializes the original import table, and performs relocation.checked 10 Oct 2026
Security documentation
The repository README describes anti-reverse-engineering behavior but does not state security or compliance certifications.checked 9 Oct 2026
Supported files
The project can currently process only 32-bit .exe programs.checked 9 Oct 2026
Usage
The command-line usage takes an input filename and an output filename: PE-Packer <input-file> <output-file>.checked 10 Oct 2026
Warranty
The MIT license provides the software “AS IS” without warranty.checked 10 Oct 2026

Where it runs

Build platform
The project must be configured on or for 32-bit Windows and requires MASM32, MinGW-w64 with i686 architecture, and CMake.checked 9 Oct 2026

The company

Maker
The GitHub profile identifies the maker as Chenzs108 and lists Suzhou, Jiangsu, China.checked 10 Oct 2026

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