author
samuzora

playing ctfs since 2021

whoami

Hi!! Welcome to my blog~ You can find my CTF writeups and other cybersecurity-related stuff here!

I’m Lucas Tan, an 18-year-old student from Singapore. I’m currently studying PCME at Anglo-Chinese School (Independent). I love playing CTFs and pwning stuff :)

I’m currently a member of WreckTheLine and not looking for a team at the moment. I occasionally play CTFs with some of my other Singaporean friends under slight_smile.

At the moment, I’m maining pwn and web, and learning blockchain, kernel pwn and v8 pwn.

Besides playing, I’ve also organized HACK@AC 2022 and 2024, and set challenges for some other CTFs. Feel free to PM me on DIscord if you’d like me to set some pwn challenges!

CVEs

CVE-2024-36361

RCE in Pug <=3.0.2

CVE-2021-40453

RCE in Squirrelly <=9.0.0

CTFs

2021

idekCTF
7th place
MetaRed CTF
1st place
Sieberrsec
3rd place

2022

Vu Cyberthon
9th place
Imperial CTF
13th place
Winja x Nullcon
3rd place
YCEP
1st place
Bluehens
2nd place
Codegate Junior
4th place

2023

Sieberrsec
1st place
NUS Grey Cat the Flag
6th place
Cyberthon
2nd place
CDDC
5th place
AYCEP
3rd place
Codegate Junior
7th place
TISC 2023
Level 8/10 (14th place)

2024

Lag and Crash 4.0
1st place
ACSC
2nd place SG (30th Global/Asia)
Cyberthon
3rd place
Codegate Junior Quals
5th place
GreyCTF Finals
1st place
Sekai CTF 2024
11th place
TISC 2024
Level 11/12 (2nd place)