How do I decompile obfuscated APK?

Following are the main steps.

1. Convert APK to . jar. dex2jar can be used to convert APK file into . jar file.
2. Decompile . jar file. The generated .
3. Extract APK resources. The resources of the APK can be extracted via apktool . Install apktool from this link and run following command.

How do I analyze an APK file?

Drag an APK or app bundle into the Editor window of Android Studio. Switch to the Project perspective in the Project window and then double-click the APK in the default build/output/apks/ directory. Select Build > Analyze APK in the menu bar and then select your APK or app bundle.

Can you reverse obfuscation?

It is however extremely easy to de-obfuscate, or you can also say reverse-engineer, any piece of obfuscated code and make it more human-readable. Now switch to the Scripts tab, right-click and choose De-obfuscate source. That’s it!

Can ProGuard be reversed?

The answer is yes, R8 and ProGuard are the default application shrinker for Android provided by Android Studio that can secure your app against Reverse Engineering.

How do I reverse an APK code?

Step by step

1. Download the app from app store or install by somewhere.
2. You need find the target app and pull from the android device.
3. Decompile the apk with apktool.
4. Extract the source code with jadx from the app.
5. Make a little change to check it’s workable.
6. Compile the code with apktool to build an app.

How do I know if my Android is obfuscated?

How To Obfuscate In Android With ProGuard

1. Configure your gradlefile. In your app/build.gradle file, set minifyEnabled to true, see snippet below: android {
2. Use Android default Proguard rules or create your own.
3. Edit your proguard-rules.pro.
4. Release your app and test.
5. Check if your code is obfuscated.

How can I get source code Java and XML from an Android APK file?

Basically you:

1. Use apktool to get the resource files out of the apk.
2. Use dex2jar to get a jar file that contains the classes in a format that Eclipse will like.
3. Create an Eclipse project point it at the resource files and the new jar file.
4. Open the jar file with a zip utility and delete the existing resources.

How to find out if an app has been obfuscated?

Which isn’t necessarily the best approach. The first step is to find out what kind of obfuscation the app is using by looking around with your favorite decompiler. Most apps actually aren’t obfuscated, or only have name obfuscation. If the names are obfuscated, it will still be annoying to RE, but the code is at least intact.

Can an APK file be decompiled?

First, an apk file is just a modified jar file. So the real question is can they decompile the dex files inside. The answer is sort of. There are already disassemblers, such as dedexer and smali. You can expect these to only get better, and theoretically it should eventually be possible to decompile to actual Java source (at least sometimes).

How to avoid broken code when using dex2jar / apktool?

Sometimes you get broken code, when using dex2jar / apktool, most notably in loops. To avoid this, use jadx, which decompiles dalvik bytecode into java source code, without creating a .jar / .class file first as dex2jar does (apktool uses dex2jar I think).

Is it possible to decompile Android apps without any software?

Decompiles the .class files (obfuscated in a case of Android apps, but not in a case of other .jar files) and shows the corresponding Java code I may also add, that nowadays it is possible to decompile Android application online, no software needed! Unzip it and than in lib folder run jadx-gui-0.6.1.jar file now browse your apk file. It’s done.