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iObfuscate: Unraveling iOS Obfuscation Techniques

During this talk, I examine multiple examples of Reverse Engineering iOS obfuscation techniques. Obfuscation strives to hide the underlying functionality of applications. This is particularly important in iOS applications that include a plethora of additional symbol data susceptible to reversing. I also release my new repository iOS Reverse Engineering repository!

iOS Reverse Engineering Repository

The iOS Reverse Engineering repository contains a comprehensive wiki on iOS Reverse Engineering. It also includes custom Ghidra scripts for iOS analysis, and even example IPA files demonstrating different forms of obfuscation!

Link References

Open Source Static Obfuscators

• Obfuscator-LLVM
  • https://github.com/obfuscator-llvm/obfuscator/tree/llvm-4.0
• Sirius Obfuscator
  • Renames variables
  • https://github.com/Polidea/SiriusObfuscator
• Obfuscator-iOS
  • https://github.com/pjebs/Obfuscator-iOS

Open Source Runtime Protectors

• iOS Security Suite
  • https://github.com/securing/IOSSecuritySuite
• Runtime Application Self-Protection (RASP)
  • https://github.com/talsec/Free-RASP-iOS