An HoangBreaking the already broken AES.ECBA simple example explaining why AES.ECB is unsecured. — a CTF challenge from CSAW 2017 QualFeb 19, 2021Feb 19, 2021
An HoangRecover Zip file with corrupted headera CTF challenge in PlaidCTF 2017Feb 19, 2021Feb 19, 2021
An HoangSome basic RSA challenges in CTF — Part 2: Applying Theoretical AttackA collection of some basic RSA challenges usually seen in Capture the FlagFeb 19, 20211Feb 19, 20211
An HoangSome basic RSA challenges in CTF — Part 1: Some basic math on RSAA collection of some basic RSA challenges usually seen in Capture the FlagFeb 19, 2021Feb 19, 2021
An HoangHack The Box — AccessHere is my write up on Access, a relatively easy and fun box with some touch of Mimikatz.Mar 4, 2019Mar 4, 2019
An HoangHack The Box — ZipperIt’s been a while since I wrote down any writeup, and here is my walkthrough on Zipper.Feb 23, 2019Feb 23, 2019