Cycript Introduction

1. Dynamic analysis with
Cycript
Mike 2016/1/8

2. Agenda
• Introduction
• Ability
• Usage
• Live demo

3. Introduction
• Pronunciation
• A combination interpreter of Obj-C++ & Javascript
• Interrogating & manipulating running application on
iOS or Mac OS X.
• Prototype development tool

4. Ability
• Can be hooked to a running process
• Modify application during runtime
• Access all classes and instance variables within the
app
• Runtime method swizzling
• Create new classes, variables, functions during runtime
• Call method manually during runtime

5. Usage
• List view hierarchy

6. • Tuning around with views

7. • List all variable & functions

8. • List all classes used by current application

9. Live Demo

10. References
• http://www.cycript.org/
• http://www.slideshare.net/eightbit/crikeycon-2015-ios-runtime-hacking-
crash-course
• http://www.rsaconference.com/writable/presentations/file_upload/hta-r04a-
hacking-ios-on-the-run-using-cycript.pdf

11. Q & A