- HK Cyber Security New Generation CTF Challenge 2022
- https://ctf.hkcert.org
- https://ctftime.org/event/1722
- Fri, 11 Nov. 2022, 10:00 UTC — Sun, 13 Nov. 2022, 10:00 UTC
| Name | Category | Points | Write-up |
|---|---|---|---|
| The Math24 Game 2 | Misc | 375 | Link |
- HK Cyber Security New Generation CTF Challenge 2021
- https://ctf.hkcert.org
- https://ctftime.org/event/1432
- Fri, 12 Nov. 2021, 10:00 UTC — Sun, 14 Nov. 2021, 10:00 UTC
| ID | Name | Category | Points | Write-up |
|---|---|---|---|---|
| 17 | 最難行的路 / The Hardest Path | Reverse, Misc | 300 | Link |
| 37 | 暈暈陀陀 1 / CTF Tuning Master (Read) | Web, Misc | 150 | Link |
| 53 | 無門 / Doorless 1 | Forensics | 100 | Link |
| 55 | 塵 / Positron | Web, Pwn, Browser, Misc, Reverse, Crypto | 400 | Link |
| 64 | 荊棘海 / The Wilderness | Web | 100 | Link |
| 72 | 中二病人 / A Junior Mathematician | Reverse | 350 | Link |
- https://tenable.ctfd.io/
- https://ctftime.org/event/1668/
- Thu, 9 Jun. 2022, 12:00 UTC — Mon, 13 Jun. 2022, 12:00 UTC
| ID | Name | Category | Points | Write-up |
|---|---|---|---|---|
| 9 | Optical Character Frustration | Stego | 200 | Link |
| 50 | Pride in Stitches | Reverse | 100 -> 200 | Link |
| 59 | Macro Economics | Forensics | 100 | Link |