James Cao
WannaGame Freshman CTF 2025 - Wave Second For Git

WannaGame Freshman CTF 2025 - Wave Second For Git Write-up

Room / Challenge: Wave Second For Git (Misc) Metadata Author: jameskaois CTF: WannaGame Freshman CTF 2025 Challenge: Wave Second For Git (Misc) Difficulty: Medium Points: 451 Solves: 8 Date: 06-10-2025 Goal We have to get the flag by using Git cli. My Solution Here is the source, you can download it here There is the flag.txt with this content: VzF7ZzF0aHViXw== It is encoded with base64 algorithm, it is easy to decode it, result is the first part of the flag: ...

October 6, 2025 · 1 min
WannaGame Freshman CTF 2025 - Open Read Flag

WannaGame Freshman CTF 2025 - Open Read Flag Write-up

Room / Challenge: Open Read Flag (Web) Metadata Author: jameskaois CTF: WannaGame Freshman CTF 2025 Challenge: Open Read Flag (web) Target / URL: http://61.28.236.247:10000/ Difficulty: Medium Points: 484 Solves: 5 Date: 06-10-2025 Goal We have to get the flag by leveraging the view file functionality. My Solution Here is the source code, you can download and examine it here The website is simple with just a read file functionality. ...

October 6, 2025 · 2 min
WannaGame Freshman CTF 2025 - Admin Toi

WannaGame Freshman CTF 2025 - Admin Toi Write-up

Room / Challenge: Admin Tồi (Web) Metadata Author: jameskaois CTF: WannaGame Freshman CTF 2025 Challenge: Admin Tồi (web) Target / URL: http://61.28.236.247:9000/ Difficulty: Medium Points: 419 Solves: 10 Date: 06-10-2025 Goal We have to get the flag by leveraging the vuln in authentication feature My Solution Here is the source code, you can download and examine it here This is the home page of the website. Let’s try creating an account and logging in to it to see what we got. ...

October 6, 2025 · 3 min