[INSHack2017]hiding-in-plain-sight
目录
题目链接
解题过程
总结
题目链接
https://buuoj.cn/challenges#[INSHack2017]hiding-in-plain-sight解题过程
题目是张png图片：chall.png，题目描述如下：
# Challenge description:Your smart-plate has an embedded camera that takes pictures of your meals and automatically uploads them to your Instagram. However you fear it has been compromised and is quietly sharing information with all your followers. Bellow is the last picture that went online.Find the leak before the bad guys do!
用010Editor发现png图片里含有jpg图片：
用foremost分离图片 ：
foremost chall.png
得到含有flag的图片：
INSA{l337_h4xx0r5_c0mmum1c473_w17h_PNGs}flag{l337_h4xx0r5_c0mmun1c473_w17h_PNGs}
总结
简单的png隐写，010Editor分析图片，使用foremost分离图片。