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Alan Chang
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Alan Chang
@tcode2k16
CompSci at @UniofOxford | Plays CTF with @WreckTheLine and HATS SG
Oxford, UK
tcode2k16.github.io/blog/
Joined November 2018
212
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  • user avatar
    Alan Chang
    @tcode2k16
    Oct 14, 2021
    Finally finished #flareon8 This is my first time completing all the challenges after playing for four years, and it has been a really fun journey. Thanks @FireEye for organizing this amazing competition!
    Image
  • user avatar
    Alan Chang
    @tcode2k16
    Nov 22, 2020
    The amazing @DragonSectorCTF challenge "babykok" gave me a good reason to learn Coq, the interactive theorem prover. I decided to do a writeup on it to document my learning process and inspire more people to give Coq a try:
    tcode2k16.github.io
    A Hands-on Introduction to Coq
    My journey in learning coq and solving the DragonCTF 2020 challenge "babykok"
  • user avatar
    Alan Chang
    @tcode2k16
    Jul 27, 2020
    Played CyBRICS CTF with HATS SG last weekend and managed to solve the "Crcrcr" challenge which covered two attacks against the rc4 encryption, coredump analysis, cpython internals, and more. Here is my writeup on it:
    Image
    tcode2k16.github.io
    CyBRICS CTF 2020 Crcrcr Writeup
    My Crcrcr task writeup for CyBRICS CTF 2020
  • user avatar
    Alan Chang
    @tcode2k16
    Jul 26, 2020
    Got 2nd place playing 3kCTF with @WreckTheLine The Unity game reversing tasks are quite fun. Here are my writeups on those tasks and more
    tcode2k16.github.io
    3kCTF 2020 Writeup
    My solves for 3kCTF 2020 challenges
  • user avatar
    Alan Chang
    @tcode2k16
    Mar 15, 2020
    I really enjoyed playing CONFidence CTF 2020 with WreckTheLine this weekend. Managed to solve my first browser pwn. Here are my writeups for "Chromatic Aberration" and "GPIO Tap":
    tcode2k16.github.io
    CONFidence CTF 2020 Writeup
    My solves for CONFidence CTF 2020 challenges

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