Ctf

[ASCIS 2020 Final Writeup] Web 02: Instagram

ASCIS 2020 Final Writeup (Sinh viên với an toàn thông tin…

[Flare-On7] Chal9-crackinstaller write-up

Firstly: Credit to my brother (cre4milk) for his technical review and keep me up when…

XS-Search — Secret Note Keeper, Facebook CTF 2019

The 0ld-day of facebook ctf

[Write-up] Chal6 {Flareon4}

Write-up for Chal6 of Flareon4. This may not be a good solution, but that’s the method how I found the final flag.

1. Collect information

[Write-up] Chal7 {Flareon4}

Write-up for Chal7 of Flareon4. This may not be a good solution, but that’s the method how I found the final…

HITCON 2017 : Ghost in The Heap Writeup

This is quite interesting challenge in this CTF, I had spent nearly 20 hours to solve this challenges.

The vulnerability is in alloc_heap function. The scanf function read string into 168 bytes heap but scanf will automaticaly added…