# UMDCTF 2021

## Writeups

### Advantageous Adventures

* [Advantageous Adventures](https://ctf.zeyu2001.com/2021/umdctf-2021/advantageous-adventures)

### Programming

* [Jay](https://ctf.zeyu2001.com/2021/umdctf-2021/jay)
* [Bomb 2 - Mix Up](https://ctf.zeyu2001.com/2021/umdctf-2021/bomb-2-mix-up)
* [L33t M4th](https://ctf.zeyu2001.com/2021/umdctf-2021/l33t-m4th)

### Crypto

* [Office Secrets](https://ctf.zeyu2001.com/2021/umdctf-2021/office-secrets)
* [To Be XOR Not To Be](https://ctf.zeyu2001.com/2021/umdctf-2021/to-be-xor-not-to-be)
* [Subway](https://ctf.zeyu2001.com/2021/umdctf-2021/subway)
* [Whose Base Is It Anyway](https://ctf.zeyu2001.com/2021/umdctf-2021/whose-base-is-it-anyway)
* [Cards Galore](https://ctf.zeyu2001.com/2021/umdctf-2021/cards-galore)

### Pwn

* [Jump Not Easy](https://ctf.zeyu2001.com/2021/umdctf-2021/jump-not-easy)

### Forensics

* [Donnie Docker](https://ctf.zeyu2001.com/2021/umdctf-2021/donnie-docker)
* [Pretty Dumb File](https://ctf.zeyu2001.com/2021/umdctf-2021/pretty-dumb-file)

### Stego

* [Roy's Randomness](https://ctf.zeyu2001.com/2021/umdctf-2021/roys-randomness)

## Results

8th overall on the final scoreboard!

![](https://3167364547-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MX1bWRlBzHpEPe1TYDD%2Fuploads%2Fgit-blob-cf6a6aeaee0b936860b806646fba6de5ebe6ea7e%2FScoreboard%20Final.png?alt=media)

![](https://3167364547-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MX1bWRlBzHpEPe1TYDD%2Fuploads%2Fgit-blob-977f31111b3af59e816091860ec5a99bc78af31c%2FTeam%20Final.png?alt=media)

Individually, I also won a PWK voucher, for having the 3rd most first bloods!

![](https://3167364547-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MX1bWRlBzHpEPe1TYDD%2Fuploads%2Fgit-blob-abf05b4484ea11e7632bb21e414da9686f74f348%2FPWK%20Winner.png?alt=media)

![](https://3167364547-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MX1bWRlBzHpEPe1TYDD%2Fuploads%2Fgit-blob-b8b968c4baa1300b264c1a6e23ad1b42ad1b1e5d%2Fimage.png?alt=media)

![](https://3167364547-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MX1bWRlBzHpEPe1TYDD%2Fuploads%2Fgit-blob-73cfde53f124f8a039f5eed4ad4811e2bb7ae8a0%2Fimage.png?alt=media)