Injecting a (dynamic library) into an (iOS App Package) allows you to modify an app's behavior without a jailbreak. This process involves adding the library to the app bundle and updating the binary to load it at runtime. Methods for Dylib Injection 1. Command-Line (macOS/Linux)
git clone https://github.com/alexzielenski/optool.git
cd optool && xcodebuild
# Copy the binary to /usr/local/bin
optool – Command-line tool to manipulate Mach-O load commands.insert_dylib – Alternative to optool.ldid – Code signing utility for iOS binaries.codesign – Apple’s official signing tool (macOS only).zip/unzip – To unpack and repack the IPA.The .dylib File: The dynamic library you want to inject (e.g., a jailbreak tweak or Frida Gadget). Inject Dylib Into Ipa
There are several reasons to inject a dylib into an IPA: Injecting a (dynamic library) into an (iOS App