YBN CTF 2025
32 challenges with 46 published solutions between them. The writeups for this event were found in public repositories. Each link is pinned to the commit it was read from.
Where these writeups liveUncategorised32
The upstream scoreboard did not say, so neither do we.
Persuasion Check
3 official solutionsAlso written up in: jeff-160/CTF-writeups, jeff-160/CTF-writeups, jeff-160/CTF-writeups
Binder
2 official solutionsAlso written up in: jeff-160/CTF-writeups, jeff-160/CTF-writeups
Catch the Flag 2
2 official solutionsAlso written up in: jeff-160/CTF-writeups, jeff-160/CTF-writeups
Christmas Chimes
2 official solutionsAlso written up in: jeff-160/CTF-writeups, jeff-160/CTF-writeups
Kopitiam
2 official solutionsAlso written up in: jeff-160/CTF-writeups, jeff-160/CTF-writeups
Mainframe Upgraded
2 official solutionsAlso written up in: jeff-160/CTF-writeups, jeff-160/CTF-writeups
Message from the Pole
2 official solutionsAlso written up in: jeff-160/CTF-writeups, jeff-160/CTF-writeups
Norad Hotline
2 official solutionsAlso written up in: jeff-160/CTF-writeups, jeff-160/CTF-writeups
North Pole Mainframe
2 official solutionsAlso written up in: jeff-160/CTF-writeups, jeff-160/CTF-writeups
Powersploit
2 official solutionsAlso written up in: jeff-160/CTF-writeups, jeff-160/CTF-writeups
Secure The Network
2 official solutionsAlso written up in: jeff-160/CTF-writeups, jeff-160/CTF-writeups
YABCG 4
2 official solutionsAlso written up in: jeff-160/CTF-writeups, jeff-160/CTF-writeups
YABCG 4.5
2 official solutionsAlso written up in: jeff-160/CTF-writeups, jeff-160/CTF-writeups
[RV] Flag 1
1 official solutionAlso written up in: jeff-160/CTF-writeups
[RV] Flag 2
1 official solutionAlso written up in: jeff-160/CTF-writeups
[RV] Flag 3
1 official solutionAlso written up in: jeff-160/CTF-writeups
[RV] Flag 4
1 official solutionAlso written up in: jeff-160/CTF-writeups
[RV] Flag 5
1 official solutionAlso written up in: jeff-160/CTF-writeups
Another Data Store
1 official solutionAlso written up in: jeff-160/CTF-writeups
Beautiful Clouds
1 official solutionAlso written up in: jeff-160/CTF-writeups
Elf's Diary
1 official solutionAlso written up in: jeff-160/CTF-writeups
Firepwd
1 official solutionAlso written up in: jeff-160/CTF-writeups
Also written up in: jeff-160/CTF-writeups
Flag From Santa
1 official solutionAlso written up in: jeff-160/CTF-writeups
Intended
1 official solutionAlso written up in: jeff-160/CTF-writeups
Mushroom Farming Experts
1 official solutionAlso written up in: jeff-160/CTF-writeups
Related Riddles
1 official solutionAlso written up in: jeff-160/CTF-writeups
Santa's Gift
1 official solutionAlso written up in: jeff-160/CTF-writeups
Travelling Intern 1
1 official solutionAlso written up in: jeff-160/CTF-writeups
Travelling Intern 2
1 official solutionAlso written up in: jeff-160/CTF-writeups
Travelling Intern 4
1 official solutionAlso written up in: jeff-160/CTF-writeups
YABCG 3
1 official solutionAlso written up in: jeff-160/CTF-writeups