Fundamentals of Building a Remote Access Tool (RAT1) in C#

Learn basic C# programming, networking and client-server technology by writing a Remote Access Trojan from scratch

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What you'll learn

  • Networking Essentials
  • Socket Programming
  • Running Multiple Commands
  • Handling Client-Server Disconnections
  • Multitasking
  • Using Threads to run commands concurrently
  • Two-way full-duplex Client-Server communication
  • Remote command execution methods
  • Creating a GUI based client control center
  • Creating a Portbinding shell
  • Reverse connection shell
  • Firewall penetration
  • Creating invisible and hidden trojans
  • Executing commands in a Reverse Connection System
  • Command and Control Methods
  • Passing data between threads
  • and more . . .

Requirements

  • Windows PC
  • Some background in programming and networking would be helpful, but not mandatory

Description

If you want to build a RAT from scratch and understand every bit of code, instead of modifying some complex RAT that you find on the Internet without knowing how things work, then this is the course for you.

Remote Access Tools also known as RATs are used to remotely control another PC over the Internet or the Local Area Network. This course shows you in an easy and simple step-by-step approach to start writing such a tool from scratch. RATs are used in network management, remote surveillance, system administration, classroom teaching systems, and so on. It is also commonly misused as a malware known as Remote Access Trojans. This course is about C# programming and networking but learning it in a fun exciting way by building a Remote Access Tool.

Even though there are existing open source RATs on the Internet. They are quite complex and the authors do not explain from beginning how they work. This course is created to fill that gap. It assumes you have zero knowledge of networking and coding and is suitable for absolute beginners. The emphasis of this course is to teach the fundamentals of networking, client-server communication, multi-tasking, control and management of server processes, command creation and handling and so on. This will enable you to better understand more complex client-server or RAT projects out there. We focus on the basic building-blocks of any RAT and client-server technology.

You will learn first-hand from a Malware Developers’ perspective what it is like to write a remote access tool from scratch.

This course is based on the classic RATs development book entitled How to Write Your Own Remote Access Tools in C#, which is authored by me in 2007 and published in Amazon in 2011. All source code are taken from that book and updated to make them current in 2021.

Features:

  1. Build programs that simulate Windows Remote Access Trojans from scratch.
  2. Learn C# and networking.
  3. The best way to understand how Remote Access Trojans work is to write one.

Everything is highly practical. No boring theory or lectures. More like walk-throughs which you can replicate and follow along.

By the end of this course, you will have the basic knowledge to further your studies in RAT development by looking at existing open source RATs on the Internet. This knowledge and skills are suitable for those aspiring to be Red Teamers. Even if you have no intention of creating malware, the insider knowledge and skills you gain from this course will make you a better security professional.

Also, having practical knowledge of RAT development will give you a better understanding of how to reverse engineer malware. By the end of this course, you would have gained a solid foundation for understanding how RATs work from the inside out.

Free Tools:

  • We will use free tools provided by Microsoft Visual Studio 2019/2022 Community Edition.
  • I will also teach you how to enable the Telnet windows feature in Windows 10

Suitable for:

  • Reverse Engineering and Malware Analysis Students
  • Programmers who want to know how Malware is created
  • Students planning on entering Malware Analysis and Reverse Engineering, or Penetration Testers as a Career Path
  • Penetration Testers and Ethical Hackers

Prerequisite:

  • Windows PC
  • Basic programming knowledge is helpful but not mandatory
  • Basic networking concepts is helpful but not mandatory

Who this course is for:

  • Anyone wishing to learn C# programming in a fun way
  • Malware analysts, reverse engineers and developers
  • Ethical hackers, pen testers and red teamers
  • Students who like to get started on the career path to become malware analysts or penetration testers


Your Instructor


Paul Chin
Paul Chin

I am a semi-retired college lecturer with more than 20 years experience in teaching computing and information technology. My interests range from reversing, coding to graphics design, apps, games development, music, health, spirituality and well-being. In my spare time, I also play the piano and keyboard. I enjoy teaching face-to-face and online and also love educating and inspiring others to succeed and live the life of their dreams.


Join Today & Get Access To This Course & Every Resource You Need Grow Your Cyber Skills & Advance Your Career. Beginner & Expert Training.

Course Curriculum


  Introduction
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  Installing the tools
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  Creating an invisible and hidden program
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  Introduction to RAT (Remote Access Tool) Networking
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  Multi-command RATs
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  Multi-tasking threads in RAT development
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  Create a two-way communications RAT
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  Build an unlimited commands RAT
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  Portbinding Shells RAT
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  Reverse Connection RATs
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  Lab Project: A Reverse Connection RAT with GUI Client and Command Buttons
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  Resources For Further Study
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Frequently Asked Questions


When does the course start and finish?
The course starts now and never ends! It is a completely self-paced online course - you decide when you start and when you finish.
How long do I have access to the course?
How does lifetime access sound? After enrolling, you have unlimited access to this course for as long as you like - across any and all devices you own.
What if I am unhappy with the course?
We would never want you to be unhappy! If you are unsatisfied with your purchase, contact us in the first 30 days and we will give you a full refund.

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