A dylib, short for dynamic library, is a type of file used in macOS and iOS to store code and data that can be shared among multiple applications. Unlike static libraries, which are embedded into the application's executable at compile time, dynamic libraries are loaded at runtime. This allows for more flexibility and the ability to update the library without changing the application itself.
First, unzip the IPA:
The injected dylib is then copied into the .app bundle (e.g., alongside the main executable). Inject Dylib Into Ipa
ldid -S SampleApp ldid -S inject.dylib
codesign -f -s "iPhone Developer" --entitlements entitlements.plist Payload/App.app/ A dylib, short for dynamic library, is a
Notes on ethics and legality