Ruby

Ruby#

Ruby is a dynamic, open-source, object-oriented programming language known for its simplicity and productivity, often used for web development and data analysis.

send#

The send method allows you to dynamically invoke a method.

class HelloWorld
  def print(*args)
    puts("Hello " + args.join(' '))
  end
end

obj = HelloWorld.new()
obj.print('world') # => 'Hello World'
obj.send('print', 'world') # => 'Hello World'

Deserialization#

• Ruby 3.4 Universal RCE Deserialization Gadget Chain

References#

• Send()-ing Myself Belated Christmas Gifts - GitHub.com’s Environment Variables & GHES Shell
• Attacking Ruby on Rails Applications