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[LIAPP FEATURES] Unity Engine Protection

LIAPP provides robust and useful features to protect various kinds of factors in mobile apps.
This post will discuss about LIAPP’s feature Unity Engine Protection. We will explain how it works and what its effect is.

You can set the Unity Protection feature on ‘Code Protection’. The purpose of Unity Protection is to protect essential engine files in mobile apps which developed by Unity Engine.

Unity protection option

Unity is an integrated development environment for creating an app simply, and it supports multi-platforms and makes developers develop apps easily. Various kinds of apps can be made on Unity, and the most popular genre is mobile game app.
Unity has distinctive advantages and motivates app developers to make a game using the Unity engine.

While the development process is easy with the Unity engine, different types of vulnerabilities are also addressed. Before we discuss vulnerabilities, let’s see the first two build modes from Unity.

1. MONO mode
· Develops in C# to support various kinds of platforms
· Converts C# code to IL(Intermediate Language) code
· Creates Assembly-CSharp.dll (.NET framework based) when building
  (Important logics will be included in Assembly-CSharp.dll and speficif files)

2. IL2CPP mode
· Develops in C# to support various kinds of platforms
· Convert C# code to IL(Intermediate Language) code
· Converts IL code to C++ format
· Creates based) when building
  (Important logics will be included in and specific files)

As above, Unity provides two kinds of modes to build. IL2CPP mode was developed to solve problems of MONO mode which couldn’t support 64bit and currently Unity is also recommending to use IL2CPP.
MONO mode and IL2CPP mode files where the development is completed can be decompiled with the Decompile tool, which lead to vulnerabilities that can easily analyze important logic in the game.
» Decompile to Mono mode of Unity image

» Decompile to IL2CPP mode of Unity image

This exposed logic makes it possible to figure out what kind of function this logic does in the game, and it will be used maliciously to get skills, experience, and game money illegally. So there are severe damage cases, and they are getting increased.

To protect against this kind of threat, LIAPP provides Unity important file encryption function.
Unity protection of LIAPP

The app and app developers can stop fatal incidents in advance by using LIAPP’s Unity protection. LIAPP’s Unity Protection will prevent the leakage of critical logic (skills, experience, goods, payment logic, and game money) from distributed apps.

Furthermore, as this feature applies to compiled app files (apk), it is possible to apply to apk or aab files despite the developed language and framework.

LIAPP, we provide the best service possible.

#android_application_security #ios_application_security #source_code_hardening #android_app_bundle #AAB #APK #Android App Bundle #String_encryption #Source_code_obfuscation #Anti-debugging #Anti-dumper #Anti-tampering #Rooting_detection #Virtual_machine_detection #Hacktool_detection #Malware_detection #Memory_protection

[LIAPP FEATURES] Class Protection & Source Code Encryption

This post will discuss more details about LIAPP’s features, Class Protection, and Source Code Encryption. Let us explain how they work and what are their effectiveness.

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