- Cryptography
- Reverse Engineering
- Binary Exploitation
- Web Exploitation
- Computer Forensics
- Coding/Scripting
- Miscellaneous
- University Courses (TBD)
- OTP XOR - User enters input and output gets encrypted with flag.
- Columnar Transpostion - User enters input and output gets encrypted with transposition cipher. The key can be guessed by entering variable lengths.
- AES-ECB Oracle
- AES-CBC Padding Oracle
- Turnip Prices - Animal Crossing themed chal using popular game mechanic turnip prices. Prices will be hashed and user will need to reverse all hashes to determine the highest selling price. (WIP)
- Mail - Animal Crossing themed chal using Assymetric Encryption. (WIP)
- MSB Steganography - Same as LSB but with a custom script. No online tools to do it automatically.
- Pixel Stego - encrypting image with another image. (WIP)
- Baseball - Challenge will encrypt flag in base64, base16, base8, and base2. The user will have to run through all bases before time runs out.
- Arithmetic - Multiple arithmetic challenges which will read "4 plus 5" to be solved before time runs out.
- Time Travel - Animal Crossing Themed Challenge. Go Back in time to get the best turnip prices.
- Base64 Wormhole
- Bash Scripting (Zip Files)
- Reverse Hexdumps
- Ciphers
- Prime Numbers
- Base Conversions