使用
先看后面的安装，Python脚本保存为SecureCRTDecrypt.py
用法
python SecureCRTDecrypt.py [filename...]
例子
[@bx_5_219 /tmp]# python SecureCRTDecrypt.py 10.10.123.123.ini 10.10.123.123.ini ssh root@10.10.70.30 # I'mpassword
依赖包
安装解密依赖包pycrypto
下载
https://pypi.python.org/pypi/pycrypto wget https://pypi.python.org/packages/source/p/pycrypto/pycrypto-2.6.1.tar.gz
解压安装
tar -zxvf pycrypto-2.6.1.tar.gz cd pycrtyto-2.6.1 python setup.py build python setup.py install
密文解密程序
保存为SecureCRTDecrypt.py
from Crypto.Cipher import Blowfish import argparse import re def decrypt(password) : c1 = Blowfish.new('5F B0 45 A2 94 17 D9 16 C6 C6 A2 FF 06 41 82 B7'.replace(' ','').decode('hex'), Blowfish.MODE_CBC, '\x00'*8) c2 = Blowfish.new('24 A6 3D DE 5B D3 B3 82 9C 7E 06 F4 08 16 AA 07'.replace(' ','').decode('hex'), Blowfish.MODE_CBC, '\x00'*8) padded = c1.decrypt(c2.decrypt(password.decode('hex'))[4:-4]) p = '' while padded[:2] != '\x00\x00' : p += padded[:2] padded = padded[2:] return p.decode('UTF-16') REGEX_HOSTNAME = re.compile(ur'S:"Hostname"=([^\r\n]*)') REGEX_PASWORD = re.compile(ur'S:"Password"=u([0-9a-f]+)') REGEX_PORT = re.compile(ur'D:"\[SSH2\] Port"=([0-9a-f]{8})') REGEX_USERNAME = re.compile(ur'S:"Username"=([^\r\n]*)') def hostname(x) : m = REGEX_HOSTNAME.search(x) if m : return m.group(1) return '???' def password(x) : m = REGEX_PASWORD.search(x) if m : return decrypt(m.group(1)) return '???' def port(x) : m = REGEX_PORT.search(x) if m : return '-p %d '%(int(m.group(1), 16)) return '' def username(x) : m = REGEX_USERNAME.search(x) if m : return m.group(1) + '@' return '' parser = argparse.ArgumentParser(description='Tool to decrypt SSHv2 passwords in VanDyke Secure CRT session files') parser.add_argument('files', type=argparse.FileType('r'), nargs='+', help='session file(s)') args = parser.parse_args() for f in args.files : c = f.read().replace('\x00', '') print f.name print "ssh %s%s%s # %s"%(port(c), username(c), hostname(c), password(c))
