Skip to main content

One post tagged with "Register"

A register is a small, high-speed storage area within a computer's CPU that holds important data temporarily while it is being processed. Registers are used to store and retrieve data quickly, allowing the CPU to access and manipulate it rapidly. They are typically 32-bit or 64-bit in size and can be divided into different types, such as general-purpose registers, instruction pointer registers, and status flag registers.

View All Tags

THM | x86 Architecture Overview

· 8 min read

Malware Analysis | x86 Architecture Overview | Summary:​

The room provides an overview of CPU architecture, explaining how it executes instructions and interacts with external components. It details the basic components of a CPU (Control Unit, Arithmetic Logic Unit, Registers) and how they interact with memory and I/O devices.

It then delves deeper into registers, explaining their types (Instruction Pointer, General-Purpose Registers, Status Flag Registers), and how they are used to store data temporarily while it is being processed by the CPU. Additionally, the room covers program memory layout, highlighting the importance of the stack in malware analysis, and explains common malware techniques such as stack buffer overflow attacks.