My CTF Challenges
Source code and solution of CTF challenges that I created.
vsCTF 2023
| 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 |
SekaiCTF 2023
| 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 |
CryptoverseCTF 2023
| 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 |
CryptoverseCTF 2022
| 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 |
Security BSides Ahmedabad CTF 2022
| Challenge Name |
Category |
Difficulty |
Solves |
| Password Checker |
Reverse |
Easy |
2 |
| Cyrene |
Reverse |
Medium |
1 |
SekaiCTF 2022
| 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 |
vsCTF 2022
| 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 |
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