0x435446: https://github.com/RSTCon/ctf-rst-writeups/blob/main/0x435446/writeup.pdf
Kayn: https://github.com/RSTCon/ctf-rst-writeups/blob/main/Kayn/writeup.pdf
Tiz: https://github.com/RSTCon/ctf-rst-writeups/blob/main/Tiz/writeup.pdf
ZNQ: https://antoniomacovei.com/blog/rst-ctf-2021-writeup / https://github.com/RSTCon/ctf-rst-writeups/blob/main/ZNQ/writeup.html