> For the complete documentation index, see [llms.txt](https://ctf.zeyu2001.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ctf.zeyu2001.com/2021/midnight-sun-ctf.md).

# Midnight Sun CTF 2021

## Web

* [Corporate MFA](/2021/midnight-sun-ctf/corporate-mfa.md)

## Pwn

* [Gurkburk](/2021/midnight-sun-ctf/gurkburk.md)

## Crypto

* [Backups](/2021/midnight-sun-ctf/backups.md)