: Run the tool using Python targeting the game bundle identifier: python dump-metadata.py com.targetgame.package Use code with caution.
: Another specialized tool often used when standard dumpers fail due to custom encryption layers added by developers. ⚠️ Risks and Considerations
: Most encryption methods require a key or password to decrypt the data. You'll need to have these credentials to proceed.
Without encryption, tools like Il2CppDumper can map the libil2cpp.so code back to C# code structures, revealing game logic. Why Decrypt global-metadata.dat ? Decrypting the global-metadata.dat file is essential for:
The names of classes, methods, fields, and strings are stripped from the code and packed into a separate file: global-metadata.dat . decrypt globalmetadatadat
GlobalMetadata.dat is a file commonly associated with various applications and systems, including games, software, and even malware. Its primary purpose is to store metadata, such as user information, game progress, or configuration settings, in a compact and secure format. The .dat extension indicates that the file contains binary data, which is often encrypted to prevent unauthorized access.
A valid, unencrypted global-metadata.dat file always starts with a specific 4-byte header sequence (Sanity Magic Number): . Security tools often corrupt or swap these four bytes on disk. The real bytes are only restored by the engine right before the file loads into memory. XOR Obfuscation and AES Encryption CameroonD/Il2CppMetadataExtractor: Simple and ... - GitHub
Modders can locate exact memory addresses for player health, currency, or game physics.
In a traditional Unity game compiled using Mono, the game logic resides inside managed .dll files (like Assembly-CSharp.dll ), which are easy to open and decompile using tools like dnSpy . IL2CPP changes this framework completely: : Run the tool using Python targeting the
: Because native machine code lacks high-level object-oriented metadata (like class or function names needed for reflection), Unity stores these structural definitions inside global-metadata.dat .
: Accessing internal data like item stats or hidden mechanics.
Without that, it's impossible to give a decryption method or output.
returns an error like "Index was outside the bounds of the array," the metadata format may be modified or still partially encrypted. You'll need to have these credentials to proceed
Once the algorithm is identified, the next challenge is obtaining the decryption keys. These could be hardcoded within the application, stored in environment variables, or derived from user credentials.
Common encryption methods include simple , ROT shifts, or custom schemes used by major engines like those from miHoYo. Typical Reverse Engineering Workflow
It generates a dump.cs file (containing class/method definitions), script.json (for auto-reversing in Ghidra/IDA), and Dummy DLLs. Modifying Strings (StringLiteral Patcher) Finding loaders for obfuscated global-metadata.dat files
What is the game built for (Android, iOS, Windows)?
Before attempting decryption, you must know what tools are used to process this file in 2026.
When a user stops producing metadata (no pings, no location changes, no app opens), that absence is a data point. globalmetadatadat treats death, battery death, and operational security identically.