千家信息网

shadow文件弱口令暴力破解——John

发表于:2024-11-22 作者:千家信息网编辑
千家信息网最后更新 2024年11月22日,在***测试中,这里主要说的是linux系统,我们经常遇到任意文件下载或读取,以及命令执行等,但是命令执行有些时候并没有交互式的,我们想添加账号和密码就会很困难,所以这时我们就可以读取shadow文件
千家信息网最后更新 2024年11月22日shadow文件弱口令暴力破解——John

在***测试中,这里主要说的是linux系统,我们经常遇到任意文件下载或读取,以及命令执行等,但是命令执行有些时候并没有交互式的,我们想添加账号和密码就会很困难,所以这时我们就可以读取shadow文件,将内容保存到本地,然后使用john来进行破解,从而可使用系统中的账号进行远程连接控制!

下载地址:http://www.openwall.com/john/

基本使用语法:

john shadow
root@kali:~# john /etc/shadowWarning: 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 3 password hashes with 3 different salts (sha512crypt, crypt(3) $6$ [SHA512 128/128 AVX 2x])Remaining 2 password hashes with 2 different saltsPress 'q' or Ctrl-C to abort, almost any other key for status1q2w3e4r         (eth20)
root@kali:~# cat /root/.john/john.pot$6$8uR2a64J$y2Oc5C6QsTRtJ1tpfpJKDIAfXzSM8rJ0IizfM32Mn.ac.UBUGgtq1HT2kgvnx4LFGukbj/poLJzg32VjpTbJS.:root$6$wovV.UXy$0EJJ0YuL0g52aHtLBgJFJ0/LhxR5maRQ7.Nw5ekAyQEjvISVP6msRShAVaWE3twlLy4oU8WQ95HchjJHez/EB1:123456$6$xUWbL8ha$W6Clcf.vJjZZPt//xnvCmvhbmW.iEmu.XLGyKtoUdrAgTA91/pasBu5.TQ.cM1r97Qxg8NxrUun5CNasZOAAb1:123$6$ITd1qoda$0bNvtCP8ntHxtfC82kYm.67ScLhXCKUgNpRWHX1oybjPrUJAr.wKFPD17zMJVs036xUfIuEjNpRKHmBPOE4T40:1q2w3e$6$aFZHXjfb$oJikWBNpKcPiN90Jwg/xTAmSZCREFNDgYraNow90A2IxboBfgGQl/tMSTinrpwCT9uSDohF/Nml3Dhpz1yTZj.:asdfgh$6$hIpfeY1N$5GjR9IiK3aY4rCvlFNX91PWFC6dDyU6z7oDJme0maHUuvvIO/qVCuy2Sx.z4VChtIspGnnq3PlxT/8ELoSDKM.:1q2w3e4
F:\eth20-CTF-Toolkits\CTF工具包\暴力破解\john179\run>john.exe F:\ctf\shadow      1 [main] john 9540 find_fast_cwd: WARNING: Couldn't compute FAST_CWD pointer.  Please report this problem tothe public mailing list cygwin@cygwin.comcygwin warning:  MS-DOS style path detected: F:\ctf\shadow  Preferred POSIX equivalent is: /cygdrive/f/ctf/shadow  CYGWIN environment variable option "nodosfilewarning" turns off this warning.  Consult the user's guide for more details about POSIX paths:    http://cygwin.com/cygwin-ug-net/using.html#using-pathnamesLoaded 8 password hashes with 8 different salts (FreeBSD MD5 [32/32])2_FTP            (2_FTP)1_FTP            (1_FTP)

在windows下可在工具的run目录下查看john.pot

0