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🛠️ Zygisk-Il2CppFucker - Analyze mobile game code with ease

📖 About this software

Zygisk-Il2CppFucker provides a toolkit for reverse engineering applications built with the Il2Cpp framework. It works as a module for the Zygisk environment. You can use this tool to inspect, modify, and understand how mobile games structure their code. This project builds upon the foundations of the Zygisk-Il2CppDumper project and adds features for deeper analysis.

📋 System requirements

Your computer and mobile device need specific setups to run this tool:

1. A device running Android with Zygisk enabled. This often requires root access via Magisk or KernelSU.
2. The Zygisk environment active within your root management application.
3. A Windows computer to manage the files and view the exported data.
4. Basic knowledge of file management on your Android device.

📥 Download and installation

Follow these steps to obtain and install the software.

Visit this page to download the latest release

1. Open the link above in your web browser.
2. Locate the latest version under the “Releases” section.
3. Download the compressed file, typically ending in .zip, to your computer.
4. Move the file to your Android device using a USB cable or cloud storage.
5. Open your root management app (Magisk or KernelSU).
6. Navigate to the modules tab.
7. Select “Install from storage” and choose the file you downloaded.
8. Restart your device to finalize the installation.

⚙️ Configuration and usage

Once you install the module, the software performs its work in the background. It intercepts the Il2Cpp process when your target application starts.

1. Open the application you wish to analyze on your Android device.
2. Let the application load fully.
3. The module generates data files in the internal storage of your device.
4. Look for a folder named “Il2CppFucker” or similar within the root of your internal storage.
5. Copy these folders to your Windows computer.
6. Open the generated files using a text editor or a specialized disassembly tool to view the game structures.

🔍 Understanding the output

The toolkit creates several files after execution:

• dump.cs: This file contains the human-readable structure of the game code. It lists classes, methods, and fields.
• metadata files: These binary files help specialized programs reconstruct the code logic.
• logs: If the tool encounters an error, it writes details to a text file in the same directory. Check this file if the module fails to generate the dump.

🛡️ Safety and stability

This tool modifies how applications interact with the system at a low level. While the tool remains stable, please note these points:

• Use this on devices intended for testing. Do not use this on your primary phone.
• Some applications detect the presence of root or Zygisk modules. The toolkit might trigger these protections.
• Ensure you have enough storage space on your device, as the dump process creates several large files.
• If your device fails to boot after installation, use your recovery tool to remove the module folder from the system partition.

🧩 Troubleshooting common issues

If you encounter problems, follow these steps to resolve them:

• Module not active: Check that Zygisk is toggled “On” in your root management app. A reboot is necessary for changes to take effect.
• No files generated: Ensure the application you are testing actually uses Il2Cpp. Games built with other engines like Unity (without the Il2Cpp switch) or Godot will not produce results.
• Permission errors: Ensure your file manager application has broad storage permissions. The module needs access to create directories in the base storage path.
• Outdated Zygisk: Keep your root management application updated. An outdated Zygisk version can cause compatibility issues with newer Android versions.

📈 Improving results

To get better data, ensure you have the latest version of the target application installed. Developers update their code frequently, and older versions might lack the structures the toolkit expects. If you find errors in the dump file, try clearing the cache of the target application and running the module again. This forces the application to re-initialize its logic, allowing the toolkit to capture the data correctly.

📑 License and attribution

This project remains open-source. It modifies code originally created by the authors of Zygisk-Il2CppDumper. You may inspect the source code within this repository to understand how the hooking process functions. This project does not contain copyrighted assets from mobile games; it only provides the tools to inspect existing structures on your personal hardware.