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A simple module to get calls to android.jar from the bytecode

Project description

# Dex2Call

A simple script that takes an APK or a DEX files and returns the method calls made by the developer's code to the android.jar classes.

Tested on Python 2.7 but should be a polyglot script.

## Installation

Install [radare2](https://github.com/radare/radare2) and run:

pip install dex2call

## Usage

$ dex2call --help
Usage: dex2call [OPTIONS] <dex or apk>

This script reads the bytecode of a dex file or an apk file and yields the
API calls made by the developer code. By default only shows the API calls
made to android.jar.

The script by default looks for ./classes.dex.

Options:
-o, --output <file> Location where to dump the results. Default
stdout (-)
--android-only / --all-methods Set to true to remove any method call that
doesn't point to an android method
--pkg-name <package name> The name of the package
--help Show this message and exit.

## Example:

As command line tool:

$ dex2call --pkg-name app.pkg.name classes.dex
Landroid/util/Log.d(Ljava/lang/String;Ljava/lang/String;)I
Landroid/location/Location.getLongitude()D
Landroid/app/Activity.onResume()V
Landroid/location/Location.getLatitude()D
Landroid/widget/Toast.makeText(Landroid/content/Context;Ljava/lang/CharSequence;I)Landroid/widget/Toast;
Landroid/location/LocationManager.requestLocationUpdates(Ljava/lang/String;JFLandroid/location/LocationListener;)V
Landroid/app/Activity.onCreate(Landroid/os/Bundle;)V
Landroid/app/Activity.<init>()V
Landroid/widget/Toast.show()V

If an APK is passed to the tool, it will extract each dex file and also will infer the package name.

An example can be found in `example.py` of how to use dex2call as a python module.

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