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Poros

Poros is a dynamic instrumentation tool for android developers, reverse-engineers, similar in functionality to Frida. It utilizes the Xposed module to facilitate the injection of Java and Native codes on rooted Android devices.

Features

  • Support Java hook using Xposed api.
  • Support loading native libraries in Xposed modules.
  • Support arm64 and arm32.
  • Support running command on multi platform (macOs, Windows, Linux).
  • Easy to use: execute only one command to do the injection.
  • Injection is completed during the early stage of the app's launch.

Usage

Two ways to use the tool:

  1. Use the executable binary file on MacOS, Linux or Windows;
  2. Use the shell file on MacOS or Linux;

Using executable binary file

  1. Download the executable binary file on the github release page.
  2. Execute the command line file.

for example:

$ poros-Darwin-x86_64 -p com.android.settings -f ./xposed_module_sample.apk

use -h to get the help doc:

$ poros-Darwin-x86_64 -h

Usage: poros-Darwin-x86_64 [OPTIONS] --package-name <PACKAGE_NAME>

Options:
  -p, --package-name <PACKAGE_NAME>  target application's package name
  -f, --file-path <FILE_PATH>        path of the xposed plugin to inject
  -q, --quick                        whether use the quick mode
  -m, --non-ptrace                   whether use the non-ptrace mode
  -h, --help                         Print help
  -V, --version                      Print version

Using shell file

  1. Download the poros_shell_cmd.tar.gz file on the release page, and unzip it;
  2. Open terminal and change directory to the unzipped file path;
  3. Execute this command to inject the xposed module into the Settings Application:
./start.sh -p com.android.settings  -f ./xposed_module_sample.apk
  1. Use the -q parameter for a quicker injection. Use this parameter when injecting into the same app for the second time to enhance injection performance.

This is a xposed module sample project that contains the Java hook and native hook:
XposedModuleSample

Build

Two ways to build:

  1. Build the project using the github action.
  2. Build it locally:
  • Clone this project.
  • Change parameters ANDROID_NDK_HOME in file /core/build.sh to the android ndk directory.
  • Run the file build.sh to build this the whole project.
  • shell command file is in the output directory, the executable command line tool is the this directory: cli/target/release/poros, either can do the injection.

How it works

Android Root环境下动态注入Java和Native代码的实践

References

Licence

This project is licensed under the Apache License 2.0.