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Stupid Boss

Published: Oct 29, 2026

The 2nd 500-point pwn challenge of pwnable.tw.

Category: Challenger Tags: pwnable.tw / binary-exploitation

3x17

Published: Oct 28, 2026

Category: Challenger Tags: pwnable.tw / binary-exploitation

Cat - HackTheBox

Published: Jun 3, 2025 Reading time: 8 min read

Writeup for Cat - a HackTheBox medium lab.

Category: Challenger Tags: ctf / cybersecurity / hackthebox

Cypher - HackTheBox

Published: Jun 3, 2025 Reading time: 4 min read

Writeup for Cypher - a HackTheBox medium lab.

Category: Challenger Tags: ctf / cybersecurity / hackthebox

Heal - HackTheBox

Published: Jun 3, 2025 Reading time: 3 min read

Writeup for Heal - a HackTheBox medium lab.

Category: Challenger Tags: ctf / hackthebox / cybersecurity

It's Mobius time - DP SOS

Published: Feb 12, 2025 Reading time: 11 min read

Một số insight mình có được khi thực hành áp dụng SOS DP.

Category: Challenger Tags: competitive-programming

ICPC Regional Hanoi 2024 Editorial - A

Published: Dec 14, 2024 Reading time: 26 min read

Lời giải bài hình chống full.

Category: Challenger Tags: competitive-programming / icpc