You asked for it and it's here! You can find all the write-ups + back-ends related to the challenges.
We recommend to install and use docker so you can host and try out some of the challenges.
Enjoy and see you next year!
| Round | Type | Challenge name | Difficulty | Solves | Author |
|---|---|---|---|---|---|
| Online Qualifiers | Glutton | Crypto | ⭐️ | 56 | Théo Davreux |
| Online Qualifiers | Majorette Emergency | Crypto | ⭐️ | 191 | Théo Davreux |
| Online Qualifiers | Grandma Mireille's first vault | Crypto | ⭐️⭐️ | 45 | Sander Van Dessel |
| Online Qualifiers | Grandpa Hubert's grandson | Crypto | ⭐️⭐️ | 65 | Julian Dotreppe |
| Online Qualifiers | Additional Problems | Crypto | ⭐️⭐️⭐️ | 1 | Arne Bouillon |
| Online Qualifiers | Grandma Mireille's third vault | Crypto | ⭐️⭐️⭐️⭐️ | 0 | Sander Van Dessel |
| Online Qualifiers | Archery | DNS | ⭐️ | 119 | DNS Belgium |
| Online Qualifiers | ThisIsTheFlag Treasure Hunt | DNS | ⭐️⭐️ | 66 | DNS Belgium |
| Online Qualifiers | Green Revolution | Exploitation | ⭐️⭐️ | 11 | Théo Davreux |
| Online Qualifiers | Bookstore | Exploitation | ⭐️⭐️⭐️ | 4 | Alex Van Mechelen |
| Online Qualifiers | Business Gnocchi | Forensics | ⭐️ | 134 | Théo Davreux |
| Online Qualifiers | Deduction Deduce | Forensics | ⭐️ | 127 | Dries Boone |
| Online Qualifiers | Get rich fast | Forensics | ⭐️⭐️ | 74 | Yannis Kireche |
| Online Qualifiers | Bad Ransomware | Forensics | ⭐️⭐️⭐️⭐️ | 0 | Didier Stevens |
| Online Qualifiers | Trivia 1 | Intro to cyber-security | ⭐️ | 246 | Théo Davreux |
| Online Qualifiers | Trivia 10 | Intro to cyber-security | ⭐️ | 196 | Théo Davreux |
| Online Qualifiers | Trivia 2 | Intro to cyber-security | ⭐️ | 241 | Théo Davreux |
| Online Qualifiers | Trivia 3 | Intro to cyber-security | ⭐️ | 245 | Théo Davreux |
| Online Qualifiers | Trivia 4 | Intro to cyber-security | ⭐️ | 242 | Théo Davreux |
| Online Qualifiers | Trivia 5 | Intro to cyber-security | ⭐️ | 241 | Théo Davreux |
| Online Qualifiers | Trivia 6 | Intro to cyber-security | ⭐️ | 199 | Théo Davreux |
| Online Qualifiers | Trivia 7 | Intro to cyber-security | ⭐️ | 196 | Théo Davreux |
| Online Qualifiers | Trivia 8 | Intro to cyber-security | ⭐️ | 197 | Théo Davreux |
| Online Qualifiers | Trivia 9 | Intro to cyber-security | ⭐️ | 195 | Théo Davreux |
| Online Qualifiers | 3Dreams | Misc | ⭐️ | 84 | Sebastian Martinez |
| Online Qualifiers | Japanese Archeolinguistics | Misc | ⭐️ | 2 | Théo Davreux |
| Online Qualifiers | Message Crossing | Misc | ⭐️ | 115 | Théo Davreux |
| Online Qualifiers | Welcome From Mars | Misc | ⭐️ | 202 | Julian Dotreppe |
| Online Qualifiers | Trinity | Misc | ⭐️⭐️⭐️ | 74 | Jonah Bellemans |
| Online Qualifiers | Locked | Mobile | ⭐️ | 106 | Jeroen Beckers |
| Online Qualifiers | Flag Communicator | Mobile | ⭐️⭐️ | 3 | Théo Davreux |
| Online Qualifiers | Messenger | Mobile | ⭐️⭐️⭐️ | 1 | Jeroen Beckers |
| Online Qualifiers | Movie Night | Programming | ⭐️ | 170 | Julien Pepinster |
| Online Qualifiers | NEO | Programming | ⭐️⭐️ | 69 | Jules Oosterlynck |
| Online Qualifiers | Paranoid | Programming | ⭐️⭐️⭐️ | 51 | Arno Vermote |
| Online Qualifiers | Puzzle | Programming | ⭐️⭐️⭐️ | 84 | Julien Pepinster |
| Online Qualifiers | Learning on the job | Reverse engineering | ⭐️⭐️ | 91 | Julian Dotreppe |
| Online Qualifiers | Shapeshifter 1 | Reverse engineering | ⭐️⭐️⭐️ | 14 | Alex Van Mechelen |
| Online Qualifiers | Sili-con Carne | Reverse engineering | ⭐️⭐️⭐️⭐️ | 3 | Théo Davreux |
| Online Qualifiers | Gibson | Web | ⭐️ | 184 | Jeroen Beckers |
| Online Qualifiers | Shuttle | Web | ⭐️ | 157 | Julian Dotreppe |
| Online Qualifiers | Quantum Eye | Web | ⭐️⭐️ | 29 | Julien Pepinster & Yannis Kireche |
| Online Qualifiers | Notepad-- | Web | ⭐️⭐️⭐️ | 9 | Julien Pepinster |
| Online Qualifiers | ParticlePloy | Web | ⭐️⭐️⭐️ | 21 | Maxime Bloch |
| Finals | Blockchain | Crypto | ⭐️⭐️ | 1 | Romain Jennes |
| Finals | Grandma Mireille's final vault | Crypto | ⭐️⭐️⭐️ | 0 | Sander Van Dessel |
| Finals | ThisIsTheFlag Scavenger Hunt | DNS | ⭐️⭐️ | 7 | DNS Belgium |
| Finals | Unbeatable Tic Tac Toe | Exploitation | ⭐️⭐️ | 5 | Alex Van Mechelen |
| Finals | Grandpa Huberts Jail | Exploitation | ⭐️⭐️⭐️ | 7 | Arnoud De jonge |
| Finals | Weaponized Private Army | Forensics | ⭐️ | 33 | Théo Davreux |
| Finals | Hidden Secrets | Forensics | ⭐️⭐️ | 14 | Jonas Van Wilder |
| Finals | Stop it Jeroen | Forensics | ⭐️⭐️ | 6 | Julian Dotreppe |
| Finals | Yet Another ISO | Forensics | ⭐️⭐️ | 33 | Yannis Kireche |
| Finals | My Rage | Misc | ⭐️ | 7 | Théo Davreux |
| Finals | Capture The Flag | Misc | ⭐️⭐️ | 29 | Alex Van Mechelen |
| Finals | Denial Of Service | Misc | ⭐️⭐️ | 1 | Alex Van Mechelen |
| Finals | OutOfBounds | Misc | ⭐️⭐️ | 1 | Maxime Bloch |
| Finals | Duper Lario Cross | Mobile | ⭐️⭐️ | 4 | Jeroen Beckers |
| Finals | Jokebox | Mobile | ⭐️⭐️ | 14 | Louis Flamion |
| Finals | Starry Skies | Mobile | ⭐️⭐️⭐️ | 0 | Théo Davreux |
| Finals | QR Frenzy | Programming | ⭐️⭐️ | 21 | Julien Pepinster |
| Finals | Easter Bunnies | Programming | ⭐️⭐️⭐️ | 7 | Arnoud De jonge |
| Finals | Environmental Hazard | Reverse engineering | ⭐️ | 23 | Théo Davreux |
| Finals | Shapeshifter 2 | Reverse engineering | ⭐️⭐️⭐️⭐️ | 3 | Alex Van Mechelen |
| Finals | Ali Booba Webshop | Web | ⭐️ | 27 | Louis Flamion |
| Finals | LL4M4 | Web | ⭐️⭐️ | 21 | Sebastian Martinez |
| Finals | Pequod Package Provider | Web | ⭐️⭐️⭐️ | 0 | Théo Davreux |
Note that all the challenge that are stricken through do not have proper write-ups YET
| 🐼 Jeroen | 🥷Julian | 👒Théo | 🐈 Maxime |
|---|---|---|---|