🚩
Zeyu'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

Social Engineering Experts is a small team founded by a group of friends.
CTFtime.org / Social Engineering Experts
CTFtime
Join us here (but first, solve a challenge).

~# ls -la 2022

CTF Name
Type
Position
​BSidesTLV 2022 CTF​
Jeopardy
7th
Jeopardy
3rd (SG) 4th (Overall)
Jeopardy
26th
Jeopardy
4th
​NahamCon CTF 2022​
Jeopardy
13th
Jeopardy
4th
LINE CTF 2022
Jeopardy
19th
​CTF.SG CTF​
Jeopardy
3rd
​YaCTF 2022​
Jeopardy (Individual)
13th
​DiceCTF 2022​
Jeopardy
33rd
​TetCTF 2022​
Jeopardy
7th

~# ls -la 2021

CTF Name
Type
Position
​hxp CTF 2021​
Jeopardy
48th
Jeopardy
Top of Scoreboard
idekCTF 2021
Jeopardy
13th
Hack Quest
7th
​MetaCTF CyberGames​
Jeopardy
24th
Jeopardy
16th
Jeopardy (Individual)
23rd
BuckeyeCTF 2021
Jeopardy
7th
Jeopardy
37th
pbCTF 2021
Jeopardy
32nd
DeconstruCT.F
Jeopardy
14th
Jeopardy
(Individual)
3rd (SG)
33rd (Overall)
Jeopardy
23rd
​YauzaCTF 2021​
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
​UIUCTF 2021​
Jeopardy
18th
Securebug Loki CTF
Jeopardy
5th
​Google CTF 2021​
Jeopardy
< 20%

~# cat LICENSE

All original code is licensed under the MIT license.