Crack it

下载后发现是个shadow文件。

id为1时，采用md5进行加密；

id为5时，采用SHA256进行加密；

id为6时，采用SHA512进行加密。

那这里很明显就是用的SHA512进行加密了

对于这种直接用john工具进行破解

root@kali:~/# john ./shadow Created directory: /root/.johnWarning: detected hash type "sha512crypt", but the string is also recognized as "crypt"Use the "--format=crypt" option to force loading these as that type insteadUsing default input encoding: UTF-8Loaded 1 password hash (sha512crypt, crypt(3) $6$ [SHA512 128/128 AVX 2x])Press 'q' or Ctrl-C to abort, almost any other key for statushellokitty       (root)1g 0:00:00:07 DONE 2/3 (2018-11-04 23:55) 0.1338g/s 672.4p/s 672.4c/s 672.4C/s ilovegod..celticUse the "--show" option to display all of the cracked passwords reliablySession completed

root用户的密码为hellokitty