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# Reverse Engineering APK Built with Flutter

## Preface

During the ADDA CTF 2022 my team got 2nd place on quals and final. For the Hidden Gold Oasis challenge i got first blood. In this page, i'll write in-depth analysis about how to reverse engineering APK based on flutter.

\--------To be Updated--------

## Approaches

| Technique                                                     | Study Case                  |
| ------------------------------------------------------------- | --------------------------- |
| **Dynamic Instrumentation using Frida and ReFlutter**         | ADDA CTF 2022 - Hidden Gold |
|                                                               | SSL Pinning Bypass          |
|                                                               |                             |
| **Static Analysis and Patching using Decompiler and Blutter** | Find IT CTF 2023 -          |
|                                                               | Intigriti CTF 2024 -        |
| **Dynamic Analysis using Debugger**                           | Further Exploration #1      |
|                                                               | Further Exploration #2      |

**To Be Updated**