> For the complete documentation index, see [llms.txt](https://docs.hyperdbg.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.hyperdbg.org/design/debugger-internals.md).

# Debugger Internals

**HyperDbg** is designed based on Hypervisor From Scratch tutorial.

It's a hypervisor plus some other processor features exported to user-mode to make debugging applications and the kernel possible.

## Tutorials

Here is the link to these parts:

### **Part 1 - Basic Concepts & Configure Testing Environment**

(<https://rayanfam.com/topics/hypervisor-from-scratch-part-1/>)

### **Part 2 - Entering VMX Operation**

(<https://rayanfam.com/topics/hypervisor-from-scratch-part-2/>)

### **Part 3 - Setting up Our First Virtual Machine**

(<https://rayanfam.com/topics/hypervisor-from-scratch-part-3/>)

### **Part 4 - Address Translation Using Extended Page Table (EPT)**

(<https://rayanfam.com/topics/hypervisor-from-scratch-part-4/>)

### **Part 5 - Setting up VMCS & Running Guest Code**

(<https://rayanfam.com/topics/hypervisor-from-scratch-part-5/>)

### **Part 6 - Virtualizing An Already Running System**

(<https://rayanfam.com/topics/hypervisor-from-scratch-part-6/>)

### **Part 7 - Using EPT & Page-Level Monitoring Features**

(<https://rayanfam.com/topics/hypervisor-from-scratch-part-7/>)

### **Part 8 - How To Do Magic With Hypervisor!**

(<https://rayanfam.com/topics/hypervisor-from-scratch-part-8/>)

## HyperDbg Source Code

You can see the source code for these series on GitHub.

(<https://github.com/SinaKarvandi/Hypervisor-From-Scratch>)

## HyperDbg Design

Here's a diagram that shows how HyperDbg works!

![](/files/ifHim8XV1x70GvmPSZ83)