bfinject – dylib injection tool for iOS 11-11.1.2 LiberiOS Jailbreak

Developers are focusing on Electra and, consequently, LiberiOS is left in the lurch. Here’s a new tool that works with LiberiOS jailbreak for iOS 11-11.1.2.

What is bfinject?

bfinject is a dylib injection tool for devices running iOS 11-11.1.2 firmware. It is developed by the security researcher, Carl Livitt of Bishop Fox.

It only supports LiberiOS jailbreak. However, you can modify it to work with Electra toolkit, Meridian, and other tools. Electra also comes with a very similar inbuilt injection tool.

For the uninitiated, Snapchat hacks and ++ apps utilize the dylib injection technique to add more features in a stock app.

liberios jailbreak for iOS 11

Here’s a list of its salient features –

  • dylib injection in App Store apps (Snapchat hacks)
  • Decryption of App Store applications
  • Inbuilt support for iSpy
  • Cycript support (penetration testing utility)

This tool has been tested on iOS 11.0.1 and 11.0.3 on various iPhone and iPad models. However, it supports all versions up to iOS 11.1.2 on all compatible devices.

  • Warning – This tool is for developers and advanced users only. Don’t try it if you don’t know what a dylib is.

Download bfinject


  • iPhone, iPad, or iPod touch
  • iOS 11-11.1.2 firmware
  • Advanced knowledge of terminal, iOS hacking, and penetration testing.

How to install and use bfinject on iOS 11-11.1.2

  • Jailbreak your iPhone, iPad, or iPod touch with LiberiOS jailbreak. This tool relies on a jailbreak and won’t work if you are in non-jailbreak mode.
  • Download and move the TAR archive to your Apple device with SSH.
  • Launch the app you want to hack (or inject dylib files into).
  • Find the target application’s PID with ps command.
  • Inject the desired dylib with this command – bash bfinject -p 4566 -l /path/to/[file name].dylib.
  • The dylib will stay injected into the app until you kill it. If you kill the app, you must fetch its PID again.

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