Module: Msf::Post::Windows::Version

Includes:
Registry
Included in:
Eventlog, Priv
Defined in:
lib/msf/core/post/windows/version.rb

Defined Under Namespace

Classes: Error

Constant Summary

Constants included from Registry

Registry::HKEY_CLASSES_ROOT, Registry::HKEY_CURRENT_CONFIG, Registry::HKEY_CURRENT_USER, Registry::HKEY_DYN_DATA, Registry::HKEY_LOCAL_MACHINE, Registry::HKEY_PERFORMANCE_DATA, Registry::HKEY_USERS, Registry::REGISTRY_VIEW_32_BIT, Registry::REGISTRY_VIEW_64_BIT, Registry::REGISTRY_VIEW_NATIVE, Registry::REG_BIG_ENDIAN, Registry::REG_BINARY, Registry::REG_DWORD, Registry::REG_EXPAND_SZ, Registry::REG_LINK, Registry::REG_LITTLE_ENDIAN, Registry::REG_MULTI_SZ, Registry::REG_NONE, Registry::REG_QWORD, Registry::REG_SZ

Instance Method Summary collapse

Methods included from Registry

#meterpreter_registry_createkey, #meterpreter_registry_deletekey, #meterpreter_registry_deleteval, #meterpreter_registry_enumkeys, #meterpreter_registry_enumvals, #meterpreter_registry_getvaldata, #meterpreter_registry_getvalinfo, #meterpreter_registry_key_exist?, #meterpreter_registry_loadkey, #meterpreter_registry_perms, #meterpreter_registry_setvaldata, #meterpreter_registry_unloadkey, #normalize_key, #registry_createkey, #registry_deletekey, #registry_deleteval, #registry_enumkeys, #registry_enumvals, #registry_getvaldata, #registry_getvalinfo, #registry_hive_lookup, #registry_key_exist?, #registry_loadkey, #registry_setvaldata, #registry_unloadkey, #session_has_registry_ext, #shell_registry_cmd, #shell_registry_cmd_result, #shell_registry_createkey, #shell_registry_deletekey, #shell_registry_deleteval, #shell_registry_enumkeys, #shell_registry_enumvals, #shell_registry_getvaldata, #shell_registry_getvalinfo, #shell_registry_key_exist?, #shell_registry_loadkey, #shell_registry_setvaldata, #shell_registry_unloadkey, #split_key

Methods included from CliParse

#win_parse_error, #win_parse_results

Instance Method Details

#get_version_info ⇒ Object 



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# File 'lib/msf/core/post/windows/version.rb', line 24

def get_version_info
  result = get_version_info_impl
  if result.nil?
    print_error("Couldn't retrieve the target's build number!")
    raise Error, "Couldn't retrieve the target's build number!"
  end

  result
end

#get_version_info_fallback_impl ⇒ Object 



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# File 'lib/msf/core/post/windows/version.rb', line 34

def get_version_info_fallback_impl
  build_num_raw = cmd_exec('cmd.exe /c ver')
  groups = build_num_raw.match(/Version\s+(\d+)\.(\d+)\.(\d+)(?:\.(\d+))?/)
  if groups.nil?
    return nil
  end

  major, minor, build, revision = groups.captures
  # Default to workstation, since it'll likely be an older OS - pre Server editions
  return Msf::WindowsVersion.new(major.to_i, minor.to_i, build.to_i, 0, revision, Msf::WindowsVersion::VER_NT_WORKSTATION)
end

#get_version_info_impl ⇒ Object 



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# File 'lib/msf/core/post/windows/version.rb', line 46

def get_version_info_impl
  if session.type == 'meterpreter'
    result = session.railgun.ntdll.RtlGetVersion(input_os_version_info_ex)
    os_version_info_ex = unpack_version_info(result['VersionInformation'])
    major = os_version_info_ex[1]
    minor = os_version_info_ex[2]
    build = os_version_info_ex[3]
    service_pack = os_version_info_ex[6]
    product_type = os_version_info_ex[9]
  
    revision = 0
    if (major >= 10)
      revision = registry_getvaldata('HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion', 'UBR', Msf::Post::Windows::Registry::REGISTRY_VIEW_NATIVE)
    end

    Msf::WindowsVersion.new(major, minor, build, service_pack, revision, product_type)
  else
    # Command shell - we'll try reg commands, and fall back to `ver`
    build_str = shell_registry_getvaldata('HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion', 'CurrentBuildNumber', Msf::Post::Windows::Registry::REGISTRY_VIEW_NATIVE)
    if build_str.nil?
      return get_version_info_fallback_impl
    end

    version_str = shell_registry_getvaldata('HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion', 'CurrentVersion', Msf::Post::Windows::Registry::REGISTRY_VIEW_NATIVE)
    if version_str.nil?
      return get_version_info_fallback_impl
    end

    build_num = build_str.to_i
    version_match = version_str.match(/(\d+)\.(\d+)/)
    if version_match.nil?
      return get_version_info_fallback_impl
    end

    major, minor = version_match.captures
    major = major.to_i
    minor = minor.to_i

    product = shell_registry_getvaldata('HKLM\SYSTEM\CurrentControlSet\Control\ProductOptions', 'ProductType', Msf::Post::Windows::Registry::REGISTRY_VIEW_NATIVE)
    case product
    when 'WinNT'
      product_type = Msf::WindowsVersion::VER_NT_WORKSTATION
    when 'LanmanNT'
      product_type = Msf::WindowsVersion::VER_NT_DOMAIN_CONTROLLER
    when 'ServerNT'
      product_type = Msf::WindowsVersion::VER_NT_SERVER
    else
      product_type = Msf::WindowsVersion::VER_NT_WORKSTATION
    end

    if (major == 6) && (minor == 3) && (build_num > 9600) # 9600 is Windows 8.1 build number
      # This is Windows 10+ - the version numbering is calculated differently
      major = shell_registry_getvaldata('HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion', 'CurrentMajorVersionNumber', Msf::Post::Windows::Registry::REGISTRY_VIEW_NATIVE)
      minor = shell_registry_getvaldata('HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion', 'CurrentMinorVersionNumber', Msf::Post::Windows::Registry::REGISTRY_VIEW_NATIVE)
      ubr = shell_registry_getvaldata('HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion', 'UBR', Msf::Post::Windows::Registry::REGISTRY_VIEW_NATIVE)
      if major.nil? || minor.nil? || ubr.nil?
        return get_version_info_fallback_impl
      end

      Msf::WindowsVersion.new(major, minor, build_num, 0, ubr, product_type)
    else
      # Pre-Windows 10
      service_pack_raw = shell_registry_getvaldata('HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion', 'CSDVersion', Msf::Post::Windows::Registry::REGISTRY_VIEW_NATIVE)
      if service_pack_raw.nil? && (major >= 6)
        # Some older versions didn't put the Service Pack value in both 32 and 64-bit versions of the registry - look there specifically
        service_pack_raw = shell_registry_getvaldata('HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion', 'CSDVersion', Msf::Post::Windows::Registry::REGISTRY_VIEW_32_BIT)
      end
      service_pack = 0
      unless service_pack_raw.nil?
        match = service_pack_raw.match(/Service Pack (\d+)/)
        unless match.nil?
          service_pack = match[1].to_i
        end
      end

      Msf::WindowsVersion.new(major, minor, build_num, service_pack, 0, product_type)
    end
  end
end

#initialize(info = {}) ⇒ Object 



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# File 'lib/msf/core/post/windows/version.rb', line 9

def initialize(info = {})
  super(
    update_info(
      info,
      'Compat' => {
        'Meterpreter' => {
          'Commands' => %w[
            stdapi_railgun_api
          ]
        }
      }
    )
  )
end