系統環境:CentOS Linux release 7.2.1511
john版本:john-1.8.0
官方網站:http://www.openwall.com/john/
安裝:
wget http://www.openwall.com/john/j/john-1.8.0.tar.gz tar -xf john-1.8.0.tar.gz cd john-1.8.0/src/
編譯:
yum -y install gcc gcc-c++ make make make linux-x86-64
安裝完成:
ls john-1.8.0/run/
簡單使用:
useradd zhangsan echo 123456 | passwd --stdin zhangsan cp /etc/passwd /etc/shadow . ./unshadow passwd shadow > mypasswd ./john mypasswd
./john mypasswd 的輸出結果,可以看到zhangsan的密碼已經被破解
Loaded 2 password hashes with 2 different salts (crypt, generic crypt(3) [?/64])
Press 'q' or Ctrl-C to abort, almost any other key for status
123456 (zhangsan)