intended solution [here](https://github.com/IRS-Cybersec/ctfdump/tree/master/RaRCTF%202021/The%20Mound)
unintended solution, reflections, etc. [here](https://152334h.github.io/writeup/2021/08/09/Getting-things-wrong-How-I-spent-24-hours-on-a-beginners-CTF-pwn.html)