Source code and solution of CTF challenges that I created.
| Challenge Name | Category | Difficulty | Solves |
|---|---|---|---|
| intro-reversing | rev | Easy | 387 |
| baby-game | algo | Easy | 345 |
| fall-guys | misc | Easy | 174 |
| awa-jelly | rev | Easy | 184 |
| quickmaffs-permutation-puzzle | algo | Medium | 74 |
| baby-game-revisited | algo | Hard | 13 |
| miku-ai | misc | Hard | 1 |
| unfinished-homework | rev | Hard | 2 |
| Challenge Name | Category | Difficulty | Solves |
|---|---|---|---|
| beginners | N/A | Baby | N/A |
| osu!crossword | osu | Easy | 189 |
| wysi-baby | rev | Easy | 170 |
| abnormal-life | forensics | Easy | 84 |
| tillerino | misc | Easy | 53 |
| osu!coin | web3 | Medium | 39 |
| when-you-see-it | osint | Medium | 35 |
| scorev3 | rev | Medium | 21 |
| wysi-revenge | rev | Hard | 45 |
| Challenge Name | Category | Difficulty | Solves |
|---|---|---|---|
| ECC Fantasy | Crypto | Easy | 21 |
| reCAPTCHA v39 | Misc | Easy | 57 |
| OtterSec Is Cat | Misc | Easy | 26 |
| Sheep Loves Maths | Misc | Medium | 16 |
| ZKPLite | Misc | Hard | 3 |
| Functional CPP II | Reverse | Easy | 59 |
| ANNS | Reverse | Hard | 3 |
| Challenge Name | Category | Difficulty (out of 5) | Solves |
|---|---|---|---|
| cryptoGRAPHy1 | Crypto | 1 | 76 |
| cryptoGRAPHy2 | Crypto | 2 | 55 |
| cryptoGRAPHy3 | Crypto | 4 | 31 |
| DEFCON Invitation | Forensics | 2 | 148 |
| Wiki Game | PPC | 1 | 284 |
| Mikusweeper | PPC | 3 | 35 |
| Teyvat Travel Guide | Reverse | 3 | 31 |
| Conquest Of Camelot | Reverse | 4 | 10 |
| Challenge Name | Category | Difficulty | Solves |
|---|---|---|---|
| Knapsack vs. Backpack | Crypto | Medium | 31 |
| PicoChip 1 | Crypto | Medium | 18 |
| PicoChip 2 | Crypto | Hard | 7 |
| Fractional Flag | Crypto | Hard | 17 |
| OJail | Misc | Easy | 74 |
| Two and a half years | Misc | Hard | 16 |
| Solid Reverse | Reverse | Medium | 49 |
| Java Not Interesting | Reverse | Medium | 22 |
| 東方ダンマクカグラ | Reverse | Medium | 19 |
| Safe Locker | Web | Easy | 36 |
| Safe Locker++ | Web | Hard | 5 |
| Challenge Name | Category | Difficulty | Solves |
|---|---|---|---|
| Baby Maths | Misc | Easy | 28 |
| Cherry Blossom | Misc | Medium | 17 |
| Not georainbolt | Misc | Medium | 37 |
| RSA 3 | Crypto | Medium | 31 |
| Big Rabin | Crypto | Medium | 53 |
| Weird dlog | Crypto | Medium | 14 |
| 1337 | Crypto | Medium | 18 |
| World Cup Predictions | Reverse | Easy | 66 |
| My Online Voucher | Reverse | Medium | 4 |
| Boost Game | Reverse | Hard | 11 |
| Baby CUDA | Reverse | Hard | 4 |
| Cheney-on-the-MTA | Reverse | Hard | 2 |
| Challenge Name | Category | Difficulty | Solves |
|---|---|---|---|
| Password Checker | Reverse | Easy | 2 |
| Cyrene | Reverse | Medium | 1 |
| Challenge Name | Category | Difficulty (out of 5) | Solves |
|---|---|---|---|
| Time Capsule | Crypto | 1 | 178 |
| Secure Image Encryption | Crypto | 2 | 49 |
| Robust CBC | Crypto | 4 | 10 |
| Let's Play Osu!Mania | PPC | 1 | 273 |
| Electric Box | PPC | 3 | 36 |
| Perfect Match X-treme | Reverse | 1 | 111 |
| Matrix Lab 1 | Reverse | 1 | 191 |
| Matrix Lab 2 | Reverse | 2 | 80 |
| Matrix Lab 3 | Reverse | 3 | 19 |
| Baby Chicken | Reverse | 4 | 6 |
| Challenge Name | Category | Difficulty | Solves |
|---|---|---|---|
| Baby RSA | Crypto | Easy | 68 |
| Strongest RSA | Crypto | Easy | 53 |
| Secure Grading System | Crypto | Medium | 21 |
| NIST Finalist: Revisited | Crypto | Hard | 12 |
| Let's play osu! | Forensics | Medium | 10 |
| Lost Assignment | Misc | Easy | 93 |
| Egg Hunt | Misc | Hard | 10 |
| Flag Checker | Reverse | Easy | 19 |
| Functional CPP | Reverse | Easy | 7 |
| Tuning Test | Reverse | Easy | 20 |
| Binary Flood | Reverse | Medium | 30 |
| Hex-A-Gone | Reverse | Hard | 6 |