AUCTF2020

Oops

Use Visual Studio Code well.

Block2

Use your text editor well.

Boom

Who can ever think that there’s even someone that would try to store binary data in an schema?

Mental

Simple script.

Salty

Salty MD5.

BASH Level 4

permissions, permissions, permissions

BASH Level 3

RANDOM is fun, but there is always some ways to bypass it.

BASH Level 2

As long as you are fast enough…