from binaryninja.architecture import Architecture, ArchitectureHook class X86ReturnHook(ArchitectureHook): def get_instruction_text(self, data, addr): # Call the original implementation's method by calling the superclass result, length = super(X86ReturnHook, self).get_instruction_text(data, addr) # Patch the name of the 'retn' instruction to 'ret' if len(result) > 0 and result[0].text == 'retn': result[0].text = 'ret' return result, length # Install the hook by constructing it with the desired architecture to hook, then registering it X86ReturnHook(Architecture['x86']).register()