Alan Chang

CompSci at @UniofOxford | Plays CTF with @WreckTheLine and HATS SG

[Trail of Bits @trailofbits]

Magnifier is a UI that helps reverse engineers explore decompiled programs interactively without all the manual note-taking. Read about this excellent work from our intern, @tcode2k16! https://t.co/uRHrwO9jFE

[WreckTheLine @WreckTheLine]

5 accepted Bug Submissions, 2nd place, what a blast.
Congratulations to @BBAC @TeamIreland and @ICarramba
Looking forward to Singapore.

[WreckTheLine @WreckTheLine]

Leading the Scoreboard on day 2 at #BountyCONEdu @fbsecurity

[Trail of Bits @trailofbits]

Manticore now has a GUI that works with Binary Ninja! Our intern, @tcode2k16, explains how his summer project made symbolic execution easier to use and more intuitive. https://t.co/9lfBcXiYQt

[WreckTheLine @WreckTheLine]

2nd place at Hackceler8 Finals
3rd place at CSAW Finals
Busy Weekend.

[Alan Chang @tcode2k16]

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!

[WreckTheLine @WreckTheLine]

Finished #4 at CSAW quals this weekend 🥐🧀🥖🇫🇷
@CSAW_NYUTandon

[WreckTheLine @WreckTheLine]

PTB_WTL ( PwnThyBytes _ WreckTheLine ) just finished #8 in this year's @defcon CTF. #defcon29 #CTF @oooverflow

[WreckTheLine @WreckTheLine]

WreckTheLine is in the #GoogleCTF Finals 🎉

[WreckTheLine @WreckTheLine]

PwnThyBytes_WreckTheLine (PTB_WTL) is officially in the DefCon 29 CTF Finals🎉

[WreckTheLine @WreckTheLine]

WreckTheLine finishes #4 in m0leCon CTF!
Thanks to @pwnthem0le for this great competition and congrats to all other participants.

We're looking forward to the finals.

[starlabs @starlabs_sg]

CVE-2020-24430 by @tcode2k16
https://t.co/WlEbEDPnTG
CVE-2020-1664 by @hi_im_d4rkn3ss
One of the bugs described in @GovTechSG 's blogpost here, https://t.co/cEAHkkCVBO was found and reported by Bailin back in May 2020

[Alan Chang @tcode2k16]

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:

https://t.co/8LQ555eNQ8

[starlabs @starlabs_sg]

Instrumenting Adobe Reader with Frida by our former intern @tcode2k16
https://t.co/oZH69wgnPk

[WreckTheLine @WreckTheLine]

🥈 2nd place at our 2nd CSAW final appearance.
Congrats to all teams!

[starlabs @starlabs_sg]

One of our interns, @tcode2k16 found CVE-2020-24430 just before he started University. We’ll be disclosing the details soon.
https://t.co/MKUwrK0t8b

[Alan Chang @tcode2k16]

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:

https://t.co/OJJY3vAmTD

[Alan Chang @tcode2k16]

More writeups from my teammates can be found here: https://t.co/5C1P2coxaY

[Alan Chang @tcode2k16]

Got 2nd place playing 3kCTF with @WreckTheLine

The Unity game reversing tasks are quite fun. Here are my writeups on those tasks and more

https://t.co/anEQJzXgSl

[Alan Chang @tcode2k16]

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":

https://t.co/cHP1tIjGZx