Writeups of the following challenges of picoCTF 2019.
| Challenge | Category | Points |
|---|---|---|
| 2Warm | General skills | 50 |
| Glory of the Garden | Forensics | 50 |
| Insp3ct0r | Web Exploitation | 50 |
| Lets Warm Up | General Skills | 50 |
| The Numbers | Cryptography | 50 |
| Warmed Up | General Skills | 50 |
| handy-shellcode | Binary Exploitation | 50 |
| practice-run-1 | Binary Exploitation | 50 |
| unzip | Forensics | 50 |
| vault-door-training | Reverse Engineering | 50 |
| 13 | Cryptography | 100 |
| Bases | General Skills | 100 |
| Easy1 | Cryptography | 100 |
| First Grep | General Skills | 100 |
| OverFlow0 | Binary Exploitation | 100 |
| Resources | General Skills | 100 |
| caesar | Cryptography | 100 |
| dont-use-client-side | Web Exploitation | 100 |
| logon | Web Exploitation | 100 |
| strings it | General Skills | 100 |
| vault-door-1 | Reverse Engineering | 100 |
| what's a net cat? | General Skills | 100 |
| where are the robots | Web Exploitation | 100 |
| OverFlow 1 | Binary Exploitation | 150 |
| So Meta | Forensics | 150 |
| What Lies Within | Forensics | 150 |
| extensions | Forensics | 150 |
| shark on wire 1 | Forensics | 150 |
| Based | General Skills | 200 |
| Client-side-again | Web Exploitation | 200 |
| First Grep: Part II | General Skills | 200 |
| Flags | Cryptography | 200 |
| Mr-Worldwide | Cryptography | 200 |
| Open-to-admins | Web Exploitation | 200 |
| Tapping | Cryptography | 200 |
| la cifra de | Cryptography | 200 |
| picobrowser | Web Exploitation | 200 |
| plumbing | General Skills | 200 |
| rsa-pop-quiz | Cryptography | 200 |
| slippery-shellcode | Binary Exploitation | 200 |
| vault-door-3 | Reverse Engineering | 200 |
| whats-the-difference | General Skills | 200 |
| where-is-the-file | General Skills | 200 |
| OverFlow 2 | Binary Exploitation | 250 |