**TL;DR** The sheet is a shellcode runner that calls Win32 APIs from the formulas. We can copy out the shellcode array and use the formulas to recreate the shellcode recovery in Python, and then send that to a .bin file for further analysis, where we find the flag.

Original writeup (https://an00brektn.github.io/htb-cyber-apocalypse-forensics-free-services/).