# picoCTF 2021

## Web Exploitation

* [It Is My Birthday (100)](https://ctf.zeyu2001.com/2021/picoctf/it-is-my-birthday-100)
* [Super Serial (130)](https://ctf.zeyu2001.com/2021/picoctf/super-serial-130)
* [Most Cookies (150)](https://ctf.zeyu2001.com/2021/picoctf/most-cookies-150)
* [Web Gauntlet 2 (170)](https://ctf.zeyu2001.com/2021/picoctf/web-gauntlet-170-+-300)
* [Startup Company (180)](https://ctf.zeyu2001.com/2021/picoctf/startup-company-180)
* [X marks the spot (250)](https://ctf.zeyu2001.com/2021/picoctf/x-marks-the-spot-250)
* [Web Gauntlet 3 (300)](https://ctf.zeyu2001.com/2021/picoctf/web-gauntlet-170-+-300)

## Cryptography

* [Easy Peasy (40)](https://ctf.zeyu2001.com/2021/picoctf/easy-peasy-40)
* [Mini RSA (70)](https://ctf.zeyu2001.com/2021/picoctf/mini-rsa-70)
* [Dachshund Attacks (80)](https://ctf.zeyu2001.com/2021/picoctf/dachshund-attacks-80)
* [No Padding, No Problem (90)](https://ctf.zeyu2001.com/2021/picoctf/no-padding-no-problem-90)

## Forensics

* [Trivial Flag Transfer Protocol (90)](https://ctf.zeyu2001.com/2021/picoctf/trivial-flag-transfer-protocol-90)
* [Wireshark twoo twooo two twoo... (100)](https://ctf.zeyu2001.com/2021/picoctf/wireshark-twoo-twooo-two-twoo...-100)
* [Disk, Disk, Sleuth! (110)](https://ctf.zeyu2001.com/2021/picoctf/disk-disk-sleuth-110-+-130)
* [Disk, Disk, Sleuth! II (130)](https://ctf.zeyu2001.com/2021/picoctf/disk-disk-sleuth-110-+-130)

## Binary Exploitation

* [Stonks (20)](https://ctf.zeyu2001.com/2021/picoctf/stonks-20)