stegano attachment

Posted by rk700 on August 20, 2014

http://www.wechall.net/challenge/training/stegano/attachment/index.php
下载图片,用Stegsolve打开,发现有additional bytes,共136。于是
tail -c 136 attachment.jpe > 1.zip
解压后得到密码

但是后来看论坛,直接解压图片都可以。因为

zips store all required information at the end of the file and a typical unzipper basically jumps to the end and follows the pointers from there.