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myaso
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A steganographic payload obfuscator.
Download README (.md)
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Download README
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README.md
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myaso
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Download (.md)
# MYASO Meet Yet Another Shellcode Obfuscator! Evade AV by hiding cmd/shellcode/... payloads inside images and simply running them. ## Installation ### Linux ``` apt update apt install -y gcc libc-dev g++-mingw-w64-i686 g++-mingw-w64-x86-64 libgdiplus mono-devel golang-go git clone https://github.com/adeadfed/myaso cd myaso pip3 install -r requirements.txt ``` ### Docker ``` git clone https://github.com/adeadfed/myaso cd myaso docker build -t myaso:latest . ``` ## Usage  ### Generate image ```sh myaso embed -a sc.bin [-i image.bmp] [-a <algorithm>] -o evil_image.bmp ``` In Docker: ```sh docker run --rm -it -v `pwd`:/mnt/ myaso embed -f /mnt/your_shellcode.bin -o /mnt/stego.png -a LSB ``` ### Generate runner ```sh myaso bake ``` You will be asked all the details interactively. At the end you'll be offered to save the configuration, which you can then use with: ```sh myaso bake [--def saved_definition.yml] ``` ``` [banner] ? Desired stego algorithm: LSB ? Desired runner language: C++ ? Desired runner arch: x64 ? Desired payload type: Shellcode ? Desired image source: (Use arrow keys) ❯ ImageFile HTTPX ... ``` In Docker: ```sh docker run --rm -it -v `pwd`:/mnt/ myaso bake ``` (Set output to your mount dir!) ``` [banner] ? Desired stego algorithm: LSB ... ? Output runner file: /mnt/your_runner.exe ? Save config to file? Yes ? Location: /mnt/your_config.yml ``` ### Execute shellcode ```cmd c:\> reader.exe happy_cat.bmp PAYLOAD_BYTES ``` ## Feature support Supported stego algorithms: | Algorithm | C++ | C# | Go | PS | VBA | |-----------|-----|----|----|----|-----| | LSB | ✓ | ✓ | ✓ | ✓ | ✓ | | LSBX | ✓ | ✓ | ✓ | ✓ | ✓ | | LSBM | ✓ | ✓ | ✓ | ✓ | ✓ | | ColorCode | ✓ | ✓ | ✓ | ✓ | ✓ | Supported payload types: | Payload | C++ | C# | Go | PS | VBA | |-----------|-----|----|----|----|-----| | CMD | ✓ | ✓ | ✓ | ✓ | ✓ | | Shellcode | ✓ | ✓ | ✓ | ✓ | ✓ | | PE | WIP | | | | | Supported image formats: | Image format | C++ | C# | Go | PS | VBA | |--------------|-----|----|----|----|-----| | PNG | ✓ | ✓ | ✓ | ✓ | | | BMP | ✓ | ✓ | ✓ | ✓ | ✓ | | JPEG | | | | | | Supported payload delivery methods: | Payload delivery | C++ | C# | Go | PS | VBA | |------------------|-----|----|----|----|-----| | HTTP | ✓ | ✓ | ✓ | ✓ | | | Local file | ✓ | ✓ | ✓ | ✓ | | | Document | | | | | ✓ | ## Notes [roadmap](https://github.com/adeadfed/myaso/projects/1) ### Is it any good? [yes.](https://news.ycombinator.com/item?id=3067434)
