> For the complete documentation index, see [llms.txt](https://ctf.zeyu2001.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ctf.zeyu2001.com/2021/cybersecurityrumble-ctf.md).

# CyberSecurityRumble CTF

CyberSecurityRumble 2021 was held from 27 November to 29 November and organized by RedRocket. We managed to get 16th place on the global leaderboard!

### Level 1

| Challenge                                                                       | Category          | Points |
| ------------------------------------------------------------------------------- | ----------------- | ------ |
| [Stonks Street Journal](/2021/cybersecurityrumble-ctf/stonks-street-journal.md) | Web, Exploitation | 100    |

### Level 2

| Challenge                                                                                                                                                                 | Category          | Points   |
| ------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------- | -------- |
| [PayBack](/2021/cybersecurityrumble-ctf/payback.md)                                                                                                                       | Web, Cryptography | 200 + 80 |
| [Enterprice File Sharing](/2021/cybersecurityrumble-ctf/enterprice-file-sharing.md)                                                                                       | Web               | 150 + 87 |
| [Personal Encryptor with Nonbreakable Inforation-theoretic Security](/2021/cybersecurityrumble-ctf/personal-encryptor-with-nonbreakable-inforation-theoretic-security.md) | Cryptography      | 200 + 20 |

### Level 3

| Challenge                                                                           | Category                   | Points    |
| ----------------------------------------------------------------------------------- | -------------------------- | --------- |
| [Finance Calculat0r 2021](/2021/cybersecurityrumble-ctf/finance-calculat0r-2021.md) | Exploitation, Cryptography | 200 + 80  |
| [Lukas App](/2021/cybersecurityrumble-ctf/lukas-app.md)                             | Web                        | 300 + 294 |