jscHookR

TL;DR

a reverse engineering tool for android cocos2d-js engine application.

support dump and replace .jsc files.

Usage

Note: use android-frida-server at least 16.0.0+

1. 🔧 Install

   git clone https://github.com/Mas0nShi/jscHookR
   pip3 install -r requirements.txt
   cd jscHookR

   ⚠️ Tips: You can edit requirements.txt to avoid environment pollution. (frida & frida-tools)

2. 📱 Start frida-server

   use your debuggable android device or emulator, download suitable frida-server, push to device and run it.

   e.g.

    adb push frida-server-16.0.0-android-arm64 /data/local/tmp/frida-server
    adb shell chmod +x /data/local/tmp/frida-server
    adb shell /data/local/tmp/frida-server &

3. ☕️ Enjoy it

   e.g.

   # Dump .jsc files
   python3 frida-jsc-hook.py -p com.mas0n.testApp -d -o . 
   # Replace .jsc files
   python3 frida-jsc-hook.py -p com.mas0n.testApp -r -i ./com.mas0n.testApp

Features

• dump scripts loaded by cocos2d-js engine.
• runtime replace (include no-filename scripts)

Preview