๐ŸšฉZeyu's CTF Writeups

Here you can find writeups from various CTFs that I've participated in.

~# man CTFs

In case you don't know what CTFs are, here's a nice definition:

A capture the flag (CTF) contest is a special kind of cybersecurity competition designed to challenge its participants to solve computer security problems and/or capture and defend computer systems.

~# groups

I play CTFs with Social Engineering Experts and Water Paddler.

Social Engineering Experts is a Singapore-based team founded by a group of friends. We're always looking for active players to join us โ€” check out the recruitment form in our CTFtime profile.

~# ls -la 2023

CTF NameTypePosition

Jeopardy

Jeopardy

Jeopardy

6th

Insomni'hack Teaser

Jeopardy

11th

IrisCTF 2023

Jeopardy

1st

TetCTF 2023

Jeopardy

4th

~# ls -la 2022

CTF NameTypePosition

ASIS CTF Finals 2022

Jeopardy

Jeopardy

13th

Jeopardy

LakeCTF Finals

Jeopardy

6th

Jeopardy

7th

Jeopardy

Challenge Author

Midnight Sun CTF Finals

Jeopardy

7th

Midnight Sun CTF Quals

Jeopardy

6th

Jeopardy

8th

HITB SECCONF CTF 2022

Attack-Defense

11th

Jeopardy

7th

Jeopardy

๐Ÿฅ‰ (SG) 4th (Overall)

Jeopardy

26th

Jeopardy

4th

Jeopardy

13th

Jeopardy

4th

LINE CTF 2022

Jeopardy

19th

Jeopardy

Jeopardy (Individual)

13th

Jeopardy

33rd

Jeopardy

7th

~# ls -la 2021

CTF NameTypePosition

Jeopardy

48th

Jeopardy

Top of Scoreboard

idekCTF 2021

Jeopardy

13th

Hack Quest

7th

Jeopardy

24th

Jeopardy

16th

Jeopardy (Individual)

23rd

BuckeyeCTF 2021

Jeopardy

7th

Jeopardy

37th

pbCTF 2021

Jeopardy

32nd

DeconstruCT.F

Jeopardy

14th

Jeopardy (Individual)

๐Ÿฅ‰ (SG)

33rd (Overall)

Jeopardy

23rd

Jeopardy

9th

Jeopardy

22nd

DEF CON 29 Red Team Village CTF (Finals)

Hack Quest

18th

DEF CON 29 Red Team Village CTF (Quals)

Jeopardy

16th

Jeopardy

18th

Securebug Loki CTF

Jeopardy

5th

Jeopardy

< 20%

Jeopardy

10th

Jeopardy

Jeopardy

43rd

Jeopardy

37th

Jeopardy

62nd

Hack Quest

29th

Jeopardy

13th

Jeopardy

8th

Jeopardy

< 20%

Jeopardy

< 5%

Jeopardy

< 20%

~# cat LICENSE

All original code is licensed under the MIT license.

Last updated