Hkcert Ctf Challenges 2021

Uncategorised83

The upstream scoreboard did not say, so neither do we.

• Chall

  6 official solutions

  Also written up in: blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges

• 58 Braceless

  4 official solutions

  Also written up in: blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges

• 79 Freerider

  3 official solutions

  Also written up in: blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges

• 01 Magical Random Potion

  2 official solutions

  Also written up in: blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges

• 02 Freedom

  2 official solutions

  Also written up in: blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges

• 11 The Wave Of Us

  2 official solutions

  Also written up in: blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges

• 12 Babyurii

  2 official solutions

  Also written up in: blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges

• 17 The Hardest Path

  2 official solutions

  Also written up in: blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges

• 22 The Little Comedian

  2 official solutions

  Also written up in: blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges

• 28 Warmup

  2 official solutions

  Also written up in: blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges

• 37 Ctf Tuning Master

  2 official solutions

  Also written up in: blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges

• 39 Difficult Choice

  2 official solutions

  Also written up in: blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges

• 43 Shuffle

  2 official solutions

  Also written up in: blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges

• 45 Half Truth Vm

  2 official solutions

  Also written up in: blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges

• 53 Doorless 1

  2 official solutions

  Also written up in: blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges

• 54 Doorless 2

  2 official solutions

  Also written up in: blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges

• 56 Because I Said It

  2 official solutions

  Also written up in: blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges

• 57 Long Story Short

  2 official solutions

  Also written up in: blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges

• 62 Squirrelcommunity

  2 official solutions

  Also written up in: blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges

• 62b Squirrelcommunity 2

  2 official solutions

  Also written up in: blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges

• Freerider

  2 official solutions

  Also written up in: rkm0959/CTFWriteups, r09946017/CTF-writeups

• Server

  2 official solutions

  Also written up in: blackb6a/hkcert-ctf-2021-challenges, blackb6a/hkcert-ctf-2021-challenges

• 01. Feedback

  1 official solution

  Also written up in: 6cyril/ctf-writeups

• 02. Shuffle

  1 official solution

  Also written up in: 6cyril/ctf-writeups

• 03. The Wave of Us

  1 official solution

  Also written up in: 6cyril/ctf-writeups

• 04 Pyjail1

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 04. Infant Browser

  1 official solution

  Also written up in: 6cyril/ctf-writeups

• 05 Pyjail2

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 05. To Modify the Past

  1 official solution

  Also written up in: 6cyril/ctf-writeups

• 06 I Wanna Do Nothing Today

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 07 Together We Strive For A Better World

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 07. A Joke Cipher

  1 official solution

  Also written up in: 6cyril/ctf-writeups

• 09. Timebomb

  1 official solution

  Also written up in: 6cyril/ctf-writeups

• 10 Return Of Tuning Keyboard

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 10. Babyxss

  1 official solution

  Also written up in: 6cyril/ctf-writeups

• 11. Scattered

  1 official solution

  Also written up in: 6cyril/ctf-writeups

• 12. Step by Step

  1 official solution

  Also written up in: 6cyril/ctf-writeups

• 13. The Wilderness

  1 official solution

  Also written up in: 6cyril/ctf-writeups

• 14. Cipher Mode Picker

  1 official solution

  Also written up in: 6cyril/ctf-writeups

• 15 Help You 2

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 15. Tuning Master (Read)

  1 official solution

  Also written up in: 6cyril/ctf-writeups

• 16. Because I said it

  1 official solution

  Also written up in: 6cyril/ctf-writeups

• 17. All missing

  1 official solution

  Also written up in: 6cyril/ctf-writeups

• 18. Steamed Meatball

  1 official solution

  Also written up in: 6cyril/ctf-writeups

• 19. The Disappeared

  1 official solution

  Also written up in: 6cyril/ctf-writeups

• 20 Seccomp2

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 20. JQ Playground

  1 official solution

  Also written up in: 6cyril/ctf-writeups

• 22. No Door 2

  1 official solution

  Also written up in: 6cyril/ctf-writeups

• 24. The Hardest Path

  1 official solution

  Also written up in: 6cyril/ctf-writeups

• 25. The remaining one

  1 official solution

  Also written up in: 6cyril/ctf-writeups

• 27. Difficult Choice

  1 official solution

  Also written up in: 6cyril/ctf-writeups

• 29 Cooldown

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 30 Fortunecookie1

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 31 Fortunecookie2

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 32 Leaking

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 35 Mastermind

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 36 Excel

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 37b Ctf Tuning Master 2

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 38 Steamed Meatball

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 40 Babyxss

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 41 The Disappeared

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 46 Make It Worse Vm

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 51 Old Fashioned Up Left Down Up X

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 55 Positron

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 59 Easyheap

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 61 Babyre

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 63 Scratch Tic Tac Toe

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 64 Sea Of Thorns

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 67 The Promised Neverland

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• 70 Jqplayground

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• A Joke Cipher

  1 official solution

  Also written up in: 5unKn0wn/ctfs

• App

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• Braceless

  1 official solution

  Also written up in: r09946017/CTF-writeups

• Cipher Mode Picker

  1 official solution

  Also written up in: 5unKn0wn/ctfs

• Env

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• Key Backup Service 1

  1 official solution

  Also written up in: 5unKn0wn/ctfs

• Key Backup Service 2

  1 official solution

  Also written up in: 5unKn0wn/ctfs

• Login

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• Materialize.Min

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• S2 Feedback

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges

• Sign In Please Again

  1 official solution

  Also written up in: 5unKn0wn/ctfs

• Sratslla Sea

  1 official solution

  Also written up in: 5unKn0wn/ctfs

• T1 infantxss

  1 official solution

  Also written up in: blackb6a/hkcert-ctf-2021-challenges