zsteg

Source: https://github.com/zed-0xff/zsteg

• Check for information:

  docker run -it --rm -v $PWD:/data:Z sjourdan/zsteg file.png 
  

• Extract file:

  docker run -it --rm -v $PWD:/data:Z sjourdan/zsteg file.png -E b3,rgb,lsb,xy > file