DownUnderCTF 2022


CTF Archive

Welcome to DownUnderCTF 2022

DownUnderCTF is the largest online Australian run Capture The Flag (CTF) competition with over 3000+ registered users and over 1400+ registered teams (2020). Its main goal is to try to up-skill the next generation of potential Cyber Security Professionals and increase the CTF community's size here in Australia. Prizes are only for Australian Secondary or Tertiary school students. However, our CTF is online and open for anyone to play worldwide.

Original Date: Fri, 23 Sept. 2022, 09:30 UTC — Sun, 25 Sept. 2022, 09:30 UTC
Original URL: https://play.duc.tf/
CTFtime Entry: DownUnderCTF 2022 (Online)
Organizing Team: DownUnderCTF
Original Source Repository: https://github.com/DownUnderCTF/Challenges_2022_Public


Challenges

Python is memory safe, right?

Author: joseph#8210

I heard that add-rotate-xor are good operations for a cipher so I tried to make my own...

Author: joseph#8210

Here's one fun block cipher mode of operation puzzle for you.

Author: joseph#8210

This oracle leaks a bit too much information...

Author: joseph#8210

This time you only get one interval...

Author: joseph#8210

All this interaction is making me sleepy...

Author: joseph#8210

No more picking and choosing.

Author: joseph#8210


30-Day Scoreboard:

This scoreboard reflects solves for challenges in this module after the module launched in this dojo.

7-Day | 30-Day | All-Time

Rank Hacker Badges Score