As far as I know Apple was not interested.
Here's the paper if you want to take a look: http://seclab.cs.ucsb.edu/media/uploads/papers/egele-ndss11....
(I'll go back and read the paper in more detail soon)
So the analysis would fail to determine the method and class of a obfuscated string.
As far as I know Apple was not interested.
Here's the paper if you want to take a look: http://seclab.cs.ucsb.edu/media/uploads/papers/egele-ndss11....