Android APK Checklist

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• Check for the use of obfuscation, checks for noting if the mobile was rooted, if an emulator is being used and anti-tampering checks. Read this for more info.

• Sensitive applications (like bank apps) should check if the mobile is rooted and should actuate in consequence.

• Search for interesting strings (passwords, URLs, API, encryption, backdoors, tokens, Bluetooth uuids...).

  • Special attention to firebase APIs.

• ​Read the manifest:​

  • Check if the application is in debug mode and try to "exploit" it

  • Check if the APK allows backups

  • Exported Activities

  • Content Providers

  • Exposed services

  • Broadcast Receivers

  • URL Schemes

• All the libraries compiled using the PIE flag?

• Don't forget that there is a bunch of static Android Analyzers that can help you a lot during this phase.

• Prepare the environment (online, local VM or physical)

• Is there any unintended data leakage (logging, copy/paste, crash logs)?

• ​Inspect HTTP/HTTPS traffic​

  • This one is really important, because if you can capture the HTTP traffic you can search for common Web vulnerabilities (Hacktricks has a lot of information about Web vulns).

• Check for possible Android Client Side Injections (probably some static code analysis will help here)

• ​Frida: Just Frida, use it to obtain interesting dynamic data from the application (maybe some passwords...)

Some obfuscation/Deobfuscation information

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If you want to know about my latest modifications/additions or you have any suggestion for HackTricks or PEASS, join the 💬 PEASS & HackTricks telegram group here, or follow me on Twitter 🐦​@carlospolopm. If you want to share some tricks with the community you can also submit pull requests to https://github.com/carlospolop/hacktricks that will be reflected in this book. Don't forget to give ⭐ on the github to motivate me to continue developing this book.

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Last updated 4 months ago