How do you perform dynamic analysis of mobile apps using tools like Frida or Drozer?

1 What is Frida?

Frida is an open-source framework that enables you to inject JavaScript code into any process on various platforms, including Android and iOS. You can use Frida to hook into functions, modify arguments and return values, monitor system calls, and access memory. Frida also provides a rich set of APIs and libraries that you can use to write custom scripts and tools.

2 What is Drozer?

Drozer is an open-source framework that allows you to perform security assessments of Android apps and devices. You can use Drozer to interact with the Android platform, execute commands, explore the file system, install and uninstall apps, and exploit vulnerabilities. Drozer also provides a modular architecture that you can use to extend its functionality and create your own modules.

3 How to install Frida and Drozer?

To use Frida and Drozer, you need to install them on your host machine and on your target device. You can download Frida from its official website and follow the installation instructions for your platform. You can also install Frida using pip, a Python package manager. To install Drozer, you can download it from its GitHub repository and follow the installation instructions for your platform. You can also install Drozer using pip.

4 How to connect Frida and Drozer to your target device?

To connect Frida and Drozer to your target device, you need to enable USB debugging on your device and connect it to your host machine via USB cable. You also need to install the Frida server and the Drozer agent on your device. You can download the Frida server from its official website and copy it to your device using adb, a command-line tool for Android development. You can also download the Drozer agent from its GitHub repository and install it on your device using adb.

5 How to use Frida for dynamic analysis of mobile apps?

To use Frida for dynamic analysis of mobile apps, you need to launch the Frida server on your device and the Frida client on your host machine. You can then use the Frida client to attach to any process on your device and inject JavaScript code into it. You can use the Frida REPL, a command-line interface, to interact with the process and execute JavaScript commands. You can also use the Frida Python bindings, a library that allows you to write Python scripts that use Frida APIs. You can use Frida scripts to hook into functions, modify arguments and return values, monitor system calls, and access memory.

6 How to use Drozer for dynamic analysis of mobile apps?

To use Drozer for dynamic analysis of mobile apps, you need to launch the Drozer agent on your device and the Drozer console on your host machine. You can then use the Drozer console to connect to the Drozer agent and execute commands on your device. You can use the Drozer built-in modules, a collection of tools that allow you to perform various tasks, such as exploring the file system, installing and uninstalling apps, and exploiting vulnerabilities. You can also use the Drozer custom modules, a feature that allows you to write your own modules using Python.

7 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?