What are they going to ask? Why did you short the most shorted stock in America? Why did you later close your short position, locking in a large profit?
I'd be surprised if that even got you interviewed, let alone searched for hacking tools.
Unless they've fingered you by some other means, in which case it's irrelevant how you were planning to get the money out.
At that point, it's a criminal investigation and everyone on the right side of the trade is a suspect. If you'd made enough to make the risk worthwhile, they'd subpoena everything - phone records, emails, electronics, financial history, contacts, ...
