Add missing reverse engineering testcases for iOS

[commjoen]

Add missing reverse engineering testcases for iOS given the following MASVS requirements:

• [x] 8.4 The app detects, and responds to, the presence of widely used reverse engineering tools and frameworks on the device.
• [x] 8.5 The app detects, and responds to, being run in an emulator.
• [ ] 8.6 The app detects, and responds to, tampering the code and data in its own memory space.
• [x] 8.9 Obfuscation is applied to programmatic defenses, which in turn impede de-obfuscation via dynamic analysis.
• [ ] 8.11 All executable files and libraries belonging to the app are either encrypted on the file level and/or important code and data segments inside the executables are encrypted or packed. Trivial static analysis does not reveal important code or data.

[sushi2k]

let me work on the following two: 8.4 The app detects, and responds to, the presence of widely used reverse engineering tools and frameworks on the device. 8.5 The app detects, and responds to, being run in an emulator.

[cpholguera]

For 8.9 take a look at https://github.com/rockbruno/swiftshield

[cpholguera]

We should split this one into several smaller tickets. Easier to track and follow. What do you think?

[commjoen]

yes please :D

[sushi2k]

We should also consider now https://github.com/securing/IOSSecuritySuite It implements a few of the RE checks in Swift