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次提交](/xoreaxeaxeax/REpsych/commits/master/)[](/xoreaxeaxeax/REpsych/commits/master/)10 次提交[code](/xoreaxeaxeax/REpsych/tree/master/code code) | [code](/xoreaxeaxeax/REpsych/tree/master/code code) | |[examples](/xoreaxeaxeax/REpsych/tree/master/examples examples) | [examples](/xoreaxeaxeax/REpsych/tree/master/examples examples) | |[gen](/xoreaxeaxeax/REpsych/tree/master/gen gen) | [gen](/xoreaxeaxeax/REpsych/tree/master/gen gen) | |[gfx](/xoreaxeaxeax/REpsych/tree/master/gfx gfx) | [gfx](/xoreaxeaxeax/REpsych/tree/master/gfx gfx) | |[slides](/xoreaxeaxeax/REpsych/tree/master/slides slides) | [slides](/xoreaxeaxeax/REpsych/tree/master/slides slides) | |[LICENSE](/xoreaxeaxeax/REpsych/blob/master/LICENSE LICENSE) | [LICENSE](/xoreaxeaxeax/REpsych/blob/master/LICENSE LICENSE) | |[Makefile](/xoreaxeaxeax/REpsych/blob/master/Makefile Makefile) | [Makefile](/xoreaxeaxeax/REpsych/blob/master/Makefile Makefile) | |[README.md](/xoreaxeaxeax/REpsych/blob/master/README.md README.md) | [README.md](/xoreaxeaxeax/REpsych/blob/master/README.md README.md) | |[repsych.asm](/xoreaxeaxeax/REpsych/blob/master/repsych.asm repsych.asm) | [repsych.asm](/xoreaxeaxeax/REpsych/blob/master/repsych.asm repsych.asm) | |查看所有文件仓库文件导航- README- BSD-3-Clause 许可证更多项目REpsych逆向工程中的心理战github.com/xoreaxeaxeax/repsych // domas // xoreaxeaxeax概述REpsych 工具集是一个概念验证项目展示了如何通过程序的[控制流图](https://en.wikipedia.org/wiki/Control_flow_graph)CFG来生成图像。| 典型函数的 CFG | REpsych 生成的 CFG || --- | --- || [](/xoreaxeaxeax/REpsych/blob/master/examples/cfg.png) | [](/xoreaxeaxeax/REpsych/blob/master/examples/repsych.gif) |该项目并没有特定的实际用途只是为了证明这种方法可行不过在 [DEF CON 演讲](https://www.youtube.com/watch?vHlUe0TUHOIc)中提到了一些非严肃的可能应用场景。该程序在所有测试过的 IDA Pro 逆向工程工具版本中都能稳定运行在其他 CFG 查看器如 Hopper、BinNavi、radare2 等中运行效果则一般。使用方法该工具集可以将源图像转换为可运行的程序使程序的控制流图生成源图像。要从图像生成新程序请按以下步骤操作1. 将图像保存为 24 位每像素BPP的位图放置在 gfx/ 文件夹中。2. 在项目根目录下运行 make image 命令其中 image 是图像的文件名不包含扩展名。这样会创建两个可运行的程序repsych_v1 和 repsych_v2。它们采用不同的策略来确保 CFG 渲染器正确放置 CFG 节点。提示该工具会为源图像的每个像素创建一个基本块CFG 节点因此建议使用较小的源图像不超过 100x100并且可能需要增加 CFG 查看器中允许的节点数量。如果使用文本图像作为工具的输入应先将图像转换为 2 位每像素的黑白位图再转换为 24 位每像素的位图。这样可以去除非黑白颜色使控制流图达到最佳效果。示例- [](/xoreaxeaxeax/REpsych/blob/master/examples/repsych_1.png?rawtrue)- [](/xoreaxeaxeax/REpsych/blob/master/examples/repsych_4.png?rawtrue)- [](/xoreaxeaxeax/REpsych/blob/master/examples/repsych_3.png?rawtrue)- [](/xoreaxeaxeax/REpsych/blob/master/examples/repsych_2.png?rawtrue)- [](/xoreaxeaxeax/REpsych/blob/master/examples/repsych_5.png?rawtrue)参考资料该技术在 [DEF CON 演讲](https://www.youtube.com/watch?vHlUe0TUHOIc)中有详细介绍。演讲幻灯片可[点击此处查看](/xoreaxeaxeax/REpsych/blob/master/slides/domas_defcon_2015_repsych.pdf)。作者REpsych 是 Christopher Domas[xoreaxeaxeax](https://twitter.com/xoreaxeaxeax)的概念验证项目。关于逆向工程中的心理战资源- Readme- BSD-3-Clause 许可证- 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