[https://github.com/Brandon-Everhart/CTF/blob/master/Writeups/BITSCTF_For_BlackHole_10_Feb17.pdf](https://github.com/Brandon-Everhart/CTF/blob/master/Writeups/BITSCTF_For_BlackHole_10_Feb17.pdf)

Original writeup (https://github.com/Brandon-Everhart/CTF/blob/master/Writeups/BITSCTF_For_BlackHole_10_Feb17.pdf).