Zygisk - IFWEnhance

The Zygisk - IFWEnhance module, which was expertly created by Kr328, is a must-have tool for Android users who want better privacy and security on their devices. This module is designed to work perfectly with modern Zygote injection systems like Riru and Zygisk. By building on these frameworks, it gives users more control over how apps interact with them and how much data they share.

At its heart, IFWEnhance significantly upgrades Android’s native Intent Firewall (IFW). While the default IFW merely blocks apps from initiating specific components, it falls short in preventing their detection. IFWEnhance addresses this gap by enabling the IFW to dynamically screen outcomes from intent query interfaces. This results in superior management of inter-app visibility and communications, allowing users to effectively conceal installed applications and services from prying software. Such advancements are crucial for individuals aiming to reduce tracking or obscure their app ecosystem from unauthorized scrutiny.

Prerequisites for Installation

To ensure seamless deployment and optimal performance of the IFWEnhance module, your Android device must satisfy several key conditions. These stipulations are vital for the module’s deep system integrations.

• Compatible Zygote Injection System: A functional Zygote injection platform is fundamental, as it facilitates the module’s embedding into the Android boot process. Your setup must include one of these:

  • Riru at version 26.0 or above
  • Zygisk with a version code of 24000 or higher

• Android OS Requirement: The device should operate on Android 8.0 (Oreo) or later versions. This ensures access to the required system interfaces and structures that the module manipulates.

Key Features and Enhancements

IFWEnhance’s primary advantage lies in its augmentation of the Intent Firewall’s filtering mechanisms. It intercepts queries from apps attempting to identify components capable of handling tasks like file openings or URL navigations. By applying IFW rules to these inquiries, the module can render certain activities or services undetectable.

This capability extends to critical IPackageManager methods:

• IPackageManager.queryIntentActivities: Restricts apps from obtaining full lists of activities responsive to an intent, thereby shielding sensitive or preferred apps.
• IPackageManager.queryIntentActivityOptions: Enhances filtering for activity variants, limiting insights into other installed elements.
• IPackageManager.queryIntentServices: Permits hiding of both system and user services, blocking detection and potential engagements.

Compilation Guide for Developers

For developers or tech-savvy users interested in building the module from source, the following instructions offer a thorough pathway. Compiling directly guarantees access to the freshest, unmodified iteration from the repository.

• 1. Prepare Development Tools: Equip your machine with essential software, including the most recent Java Development Kit (JDK) and the standard Android SDK.

• 2. Define SDK Location: Specify the Android SDK directory by adding a “local.properties” file in the project root with this entry:

  sdk.dir=/path/to/android/sdk
  

• 3. Execute Build Process: From the project directory in a terminal, invoke the Gradle task:

  ./gradlew module:assembleRelease
  

• 4. Retrieve Built Artifact: Upon completion, the ZIP for installation awaits in the module/build/outputs/<loader>/release directory, named <loader>-ifw-enhance-<version>.zip.

Functionality and Usefulness

In terms of functionality, Zygisk - IFWEnhance operates by hooking into Android’s package manager through Riru or Zygisk injection. It intercepts calls to key APIs like queryIntentActivities, queryIntentActivityOptions, and queryIntentServices, applying custom filters based on Intent Firewall rules. This process occurs at the system level during runtime, ensuring that query results are modified without altering original files. The module’s lightweight design minimizes overhead, relying on Zygote to inject code early in the boot sequence, which allows for persistent enhancements across app launches. Without prominent scripts like customize.sh or service.sh in the repo, its core logic is embedded in the Java codebase, focusing on API overrides for seamless integration.

The usefulness of this module is profound for privacy-conscious users and developers alike. It enables precise control over app discovery, which is invaluable in scenarios like blocking ad trackers or preventing social apps from scanning for installed games or financial tools. By enhancing IFW, it reduces data leaks and improves device security without requiring complex configurations, making it ideal for custom ROM enthusiasts or those on restricted networks. Furthermore, its systemless nature preserves OTA update compatibility, extending device longevity and supporting experimentation in rooted environments, ultimately fostering a more secure and customizable Android experience.

Compatibility Details

This module thrives on rooted Android devices running version 8.0 or higher, with mandatory support for Riru (v26+) or Zygisk (v24000+). It aligns well with Magisk, KSU, APatch, and KSUNext, ensuring broad accessibility. While optimized for standard setups, users on custom kernels may benefit from additional stability. Testing is recommended for specific ROMs to confirm no conflicts arise.

Additional Notes

The project is open to contributions on GitHub and is licensed under GPL-3.0. The codebase is all in Java, and Gradle takes care of building it automatically. For problems, look at the discussions in the repository. Thanks to the frameworks that make this possible, like Riru and Zygisk.

Download Link

Download Link

Module Info

• Version v22
• Module By
  Kr328
• Contributors Kr328, yujincheng08
• Root Support
  Magisk KernelSU APatch
• Source View on GitHub/Source
• Latest Update 22 October 2023
• Word Counter 791
• Character Counter 7501

Zygisk - IFWEnhance is a Module that supports installation on Magisk, KernelSU, APATCH, KSUNext