Unfortunately, in some cases, the C# code inside the dump.cs file is not going to be valid C.įrom invalid names to incorrect class and type declaration, consider this to be a relatively correct representation of the code, but not something you can process further. If you've followed along, you're aware that we've used Il2CppDumper as our primary tool for accessing the compiled code base. This process should be same for iOS IPA packages. Open up dump.cs with Sublime Text or Notepad++ and enjoy! You are now parsing through the actual Unity C# code that powers your game. These DLLs can be analysed by DnSpy and explored further, but that's a story for another time. DummyDll - a folder that contains DLLs that Il2CppDumper has extracted.script.py - a python script that describes how methods and fields should be created from the C# file.dump.cs - raw C# output that contains the whole code base that was extracted.Il2CppDumper will create several files on your hard drive: Here's how a successful extraction looks like: Play around with the mode setting until you find a combination that works for your APK. We recommend using Auto(Plus), but your mileage may vary. Paste in the string you copied from the unity_builtin_extra file and select an extraction mode. Once you select the files, Il2CppDumper will ask you for the exact Unity version of your APK. global-metadata.dat from \assets\bin\Data\Managed\Metadata.libil2cpp.so from \lib\arm64-v8a (if using 64-bit APK).
Launch Il2CppDumper.exe and select the following files:.Find an APK you want to explore on APK Mirror.It's a plain text string that can be copied easily. Unity version used in the game is located in the first line of the unity_builtin_extra file. Navigate to \assets\bin\Data\Resources and open unity_builtin_extra in a Text Editor of your choice.You can find the exact Unity version inside the APK: In order to use Il2CppDumper, you need to know the exact Unity version used in the APK. In order to inspect their content, you will need to extract them.īefore you start: Finding Unity version from an APK
Android apps are ZIP archives disguised as APK files. 7-zip or any other ZIP file extractor.Download the latest version of Il2CppDumper and extract it somewhere on your PC.In this guide we'll outline the steps required to extract the C# code using Il2CppDumper and some black magic 🧙. Android and iOS games built with Unity ship with enough meta data to restore a significant portion of the original C# code base, including enumerations, class and method names and strings.
Unity games are built using C#, an open language developed by Microsoft and widely used in the game industry.
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