题目内容:
Don’t get me wrong, I love pretty colors as much as the next guy…
but what does it mean? pretty_pixels.png
解题思路
常规套路先用上,没用
stegsolve
嫖一手,没用+1
想到是 PNG
格式文件,试试 zsteg
依旧无果,遂是我不曾知道的隐藏方式,查 writeup
才知道原来不是 LSB
而是 MSB
stegsolve
抽取比特位,预览得知是 PNG
文件,Save Bin
保存打开
参考资料:
IceCTFPretty Pixels