JingleshellsCTF

AUSTRALIA’S BIGGEST STUDENT-LED CHRISTMAS CTF 🎅🐚🦘

ACUCyS

The Australian Council of University Cyber Societies

Project Overview

About Us

The Australian Council of University Cyber Societies (ACUCyS) Nation-Wide Christmas CTF is an exciting, collaborative cybersecurity competition uniting club execs and enthusiasts from universities across Australia. Slated for December 2025, our “Christmas Aussie Cyber” theme will challenge participants with 50+ original and revamped CTF problems across a spectrum of disciplines—reverse engineering, binary exploitation, OSINT, web, cryptography, Linux commands, and more.

Our Mission

To foster cross-university collaboration and skills sharing Deliver an inclusive, high-quality CTF experience for students at every skill level Spotlight emerging talent and encourage knowledge exchange within Australia’s academic cyber community

Key Features

Join our Discord Server for the latest features and annoucements: https://discord.gg/j7qxum5D

🎄 Festive Theme: Holiday-inspired challenges to spark creativity and fun

🌏 Nation-Wide Scope: Teams from multiple universities competing under one scoreboard

🔐 Committee-Driven Design: Aiming for 50+ club committee members shaping challenges, testing infrastructure, and running live scoring

🔄 Reworked Classics: Fresh takes on proven problems to maximize quality and playability

How We Work

Role-Gated Collaboration

  • Dedicated planning, scoring, write-up, and challenge-dev channels
  • Access granted after signing our event NDA

Structured Workflow

  • Weekly ACUCyS follow-up meetings (1-2pm AEST) to set timelines and review progress
  • Google Forms for challenge sign-ups and division leads
  • Clear templates for problem statements, test cases & solutions

Community & Support

  • ⁠❓︱help channel on Discord to be stocked with FAQs and pinned guides
  • Admins on standby for technical or process questions

Get Involved

  • Committee Members: Claim your role/s, sign the NDA, and jump into challenge development!
  • Division Leads: Champion one of our key categories—Hex, Cracking, Web, OSINT, and beyond.
  • Testers & Scorers: Help us QA each problem, ensure fairness, and keep the scoreboard moving.

Technical Challenges

30+ original challenges across web, crypto, OSINT, reversing, Linux and so much more!! 💻

Project Outcomes

Over 250 people joined!!

Future Plans

We’ve already got a giant stack of notes + feedback and we’re excited to roll it into:

✅ next year’s ACUCyS CTF

✅ future hackathon + conference plans 👀

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