在kali下安装 sudo apt-get install ruby gem install zsteg 1. 2. 使用 $zsteg honglvdeng.png imagedata .. file: dBase III DBT, version number 0, next free block index 65281 b1,r,lsb,xy .. file: JPEG image data, JFIF standard 1.01, aspect ratio, density 100x100, segment length 16, ...