Since the game must decrypt the metadata at runtime to execute, you can "dump" the decrypted version directly from the device's RAM using tools like .
Use a tool like or Frida to search for the decrypted metadata header in the game’s memory.
To tailor these methods to your exact setup, could you share what the game targets (such as Android or Windows) and whether you are running into any specific error codes ? Share public link
Use a specialized script (such as frida-il2cpp-bridge ) to monitor when libil2cpp.so initializes.
Because unprotected metadata allows anyone to look at a game's inner workings, game studios and security platforms (like Anti-Cheat utilities, AppSealing, or VMProtect) deliberately obfuscate or encrypt global-metadata.dat . If the file is altered, standard decompilers will throw format validation errors or find a completely empty 0-KB file block. 2. Common Metadata Encryption Techniques decrypt globalmetadatadat
The Ultimate Guide to Decrypting global-metadata.dat in Unity Games
For most beginners, the Frida method provides the gentlest learning curve. Here is a practical, step-by-step guide to get you started.
Once you successfully acquire a decrypted global-metadata.dat file, you can finally view the game's structure. Download .
The next 4 bytes represent the Unity metadata slot version (e.g., version 24, 27, 29, etc.). Ensure this aligns with the Unity engine version used to build the game. Since the game must decrypt the metadata at
Replicate the XOR or AES decryption logic in a Python script to decrypt the file on disk. Summary of Essential Tools
Used to browse the dummy DLLs generated by Il2CppDumper.
aimardcr/MLBB-Metadata: A simple code to decrypt ... - GitHub
Decrypting global-metadata.dat is a cat-and-mouse game between developers and reverse engineers. While developers may change the file name or apply custom obfuscation, the engine must eventually decrypt the metadata to function. Using tools like Frida ensures that you can bypass even complex, layered encryption by tapping into the game's own runtime. Share public link Use a specialized script (such
Even if the file is encrypted on your hard drive, the game must decrypt it in the device's RAM to run. Launch the game on an emulator or rooted device.
The global-metadata.dat file contains metadata about the original C# code. This includes strings and names for all the types, methods, fields, properties, and other information about the original managed code. When the game starts up, it reads this file and uses it as a reference to know what all the data in the native binary actually means. Without it, the native code ( libil2cpp.so ) is just a confusing mass of functions and data structures.
The industry-standard tool. It reconstructs DLL files (dummy DLLs) from the GameAssembly.dll and global-metadata.dat pair.
: To understand game logic and create custom content.
GitHub - aimardcr/MLBB-Metadata: A simple code to decrypt global-metadata. dat for Mobile Legends: Bang Bang · GitHub. Concerns with Anti-cheat, EULA, & Privacy Policy