
(Vietnamese) MTUCI Attack & Defense CTF Event at Russia
Update soon

Update soon

Update soon

My write-up for ACS EDU 4th Practical Test

My write-up for PTIT CTF 2025 qualified round

My write-up for Misc - Modulo (Python Jail) challenge

A beginner's write-up on Java deserialization about setting up the environment and exploring the URLDNS gadget chain in ysoserial with debugging and payload analysis.