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CUHK CTF 2025 Writeup

Writeup

Background

The CUHK Cybersecurity CTF 2025 is an exciting 48-hour Jeopardy-style Capture The Flag competition organized by the CUHK Open Innovation Lab (CUHK OIL). Supported by The Chinese University of Hong Kong (CUHK) Department of Information Engineering, with support from the Hong Kong Association for Computer Education (HKACE), this event brings together students and enthusiasts to test their hacking and defense skills.

Participants will tackle a variety of challenges across key cybersecurity domains, fostering innovation, collaboration, and practical knowledge in a fun, competitive environment.

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Overview

What I've learned in this CTF