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（1）将Obfuscation pass在LLVM中由静态库(.a文件)修改为动态库(.dylib)，可以直接又opt加载启动，输入bitcode或者IR文件，混淆输出IR文件；

（2）增加了虚假控制流；

Armariris

孤挺花（Armariris） -- 由上海交通大学密码与计算机安全实验室维护的LLVM混淆框架

主要作者：f1ys0ar（https://github.com/flysoar/ ）

中文

孤挺花（Armariris）: 基于LLVM的支持多平台多语言的混淆器

本项目名取自细音启小说<黄昏色的咏使>以及<冰洁镜界的伊甸>中的人物孤挺花. 她即便无人理解依然守护着姐姐与世界.

Armariris是作者自创语言Selahpheno中孤挺花的意思.

目前开放功能包括：

  • 字符串加密. sobf
  • 控制流扁平化+虚假控制流  fla
  • 指令替换 sub

安装

mkdir obf
cd obf
clone [email protected]:gossip-sjtu/Armariris.git
cmake -DCMAKE_BUILD_TYPE:String=Release ./Armariris
make -j 4

用法

使用opt加载LLVMObfuscation.dylib

控制流扁平化+虚假控制流

./bin/opt -load ./lib/LLVMObfuscation.dylib -flattening test.ll -o out.bc -- [编译参数]

指令替换

./bin/opt -load ./lib/LLVMObfuscation.dylib -substitution test.ll -o out.bc -- [编译参数]

字符串加密

./bin/opt -load ./lib/LLVMObfuscation.dylib -GVDiv test.ll -o out.bc -- [编译参数]

English

Armariris: an obfuscator based on LLVM project for multiple languages and platforms.

Currently support:

  • string obfuscation
  • control flow flattening and bogus control flow
  • instruction substitutions

Armariris

Armariris is the alias of Amaryllis in conlang Selahpheno in sazaneK's light novel. Amaryllis is a character in light novel <黄昏色の詠使い> and <氷結鏡界のエデン> written by 細音啓(sazaneK). Although nobody unserstands her, she still guards her sister and the world persistently.

Install

mkdir obf
cd obf
clone [email protected]:gossip-sjtu/Armariris.git
cmake -DCMAKE_BUILD_TYPE:String=Release ./Armariris
make -j4

Usage

string obfuscation.

./bin/opt -load ./lib/LLVMObfuscation.dylib -GVDiv test.ll -o out.bc -- [compiler args]

control flow flattening and bogus control flow.

./bin/opt -load ./lib/LLVMObfuscation.dylib -flattening test.ll -o out.bc -- [compiler args]

instruction substitutions.

./bin/opt -load ./lib/LLVMObfuscation.dylib -substitution test.ll -o out.bc -- [compiler args]