Rating:

Use static address of vsyscall segment to influence the userspace stack. [Solve script](https://github.com/welchbj/ctf/blob/master/writeups/2020/DamCTF/ghostbusters/solve.py).

Original writeup (https://github.com/welchbj/ctf/tree/master/writeups/2020/DamCTF/ghostbusters).