Julia is a more challenging exercise than the ones you've encountered before ;)
Find the password.
How to solve it?
Bottom-up or Top-down - you can start either from the end or from main's first line of code
Google ("movsx x86", "malloc", etc.)
Don't give up - it's all about staring long enough
You can use the checkpoints in the following slides for a step-by-step solution.
Type in the solution in the quiz below :)