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YunchoHang

YunchoHang

Cybersecurity Student & Ethical Hacker

Recent

Capture This – RootMe Forensics Write-up ↗ ↖
Recovering a KeePass master password from a cropped screenshot using the aCropalypse vulnerability (CVE-2023-28303).
SurakVault ↗ ↖
A secure file and password vault application. Encrypt files, manage passwords, and safely store sensitive data. Built with Python and Tkinter.
CHIP-8 Emulation ↗ ↖
Emulator for CHIP-8 programs and games. Made using C and SDL2 Library
PHP-Command Injection RootMe writeup ↗ ↖
Finding a vulnerability in this application and exploiting.
Secret Archive writeup ↗ ↖
Secret Archive is a Web challenge from KubanCTF 2025. This blog guides how you can exploit the given webpage in an instance.
NTLM Authentication ↗ ↖
NTLM is an authentication protocol a defined method for helping determine whether a user who’s trying to access an IT system really is actually who they claim to be.