CodingGay / BlackObfuscator

Black Obfuscator is an obfuscator for Android APK DexFile, it can help developer to protect source code by control flow flattening, and make it difficult to analyze the actual program control flow.
Apache License 2.0
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android control-flow dex dex2jar java obfuscation obfuscator

DEX控制流混淆 · BlackObfuscator

English Version

本项目针对Android APK DEX控制流混淆,在不会改变应用原有逻辑的前提下,会将原始代码进行控制流混淆,使得代码难以阅读,增加反编译阅读的难度以达到保护应用。

项目声明

注意事项

Android Studio插件支持

目前本项目已集成Android Studio插件,支持打包自动化混淆。详情请移至:BlackObfuscator-ASPlugin

GUI支持

GUI工具已开发完成,详情请移至:BlackObfuscator-GUI

如何使用

Main#main

参数 解释
-d 混淆深度,越高混淆越深
-i 输入dex的路径
-o 输出dex的路径
-a 规则文件,见下一步骤
-p 需要进行混淆的包名
    BlackObfuscatorCmd.main("d2j-black-obfuscator",
            "-d", "2",
            "-i", "/Users/milk/Documents/classes.dex",
            "-o", "/Users/milk/Documents/classes_out.dex",
            "-a", "filter.txt");

混淆规则

提供需要混淆的类

#it is annotation
#cn.kaicity

#class
cn.kaicity.gk.cdk.BuildConfig

#package
cn.kaicity

#blackList
!cn.kaicity.gk.cdk

#blackList中的包或者类不会进行混淆

后续计划

效果展示

混淆前

xx

混淆后

xx xx

感谢

请作者儿子喝奶粉

xx xx

License

Copyright 2021 Milk

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.