Assembly (x86/x64, ARM)

Assembly Language (x86/x64, ARM) Mastery Roadmap

This detailed roadmap will take you from beginner to expert in Assembly Language, covering x86/x64 and ARM architectures, focusing on low-level programming, debugging, reverse engineering, exploit development, and system programming.


Phase 1: Assembly Language Fundamentals

Introduction to Assembly

  • What is Assembly Language?

  • How Assembly Works with the CPU (Registers, Memory, Stack, Instructions)

  • Understanding Machine Code & Instruction Sets (x86, x64, ARM)

  • Comparison: High-Level vs. Low-Level Programming

Setting Up an Assembly Development Environment

  • Tools for x86/x64 Assembly

    • NASM (Netwide Assembler), MASM (Microsoft Assembler)

    • GNU Assembler (GAS)

    • Debuggers: GDB, OllyDbg, x64dbg

  • Tools for ARM Assembly

    • GNU ARM Toolchain, Keil, ARM Developer Suite (ADS)

📌 Mini Projects:

  • Write & Execute a Simple "Hello, World!" Program in x86 Assembly

  • Write a Simple ARM Assembly Program on Raspberry Pi


Phase 2: x86/x64 Assembly Programming

CPU Architecture & Registers

  • General Purpose Registers (EAX, EBX, ECX, EDX, RAX, etc.)

  • Segment Registers (CS, DS, ES, FS, GS, SS)

  • Control Registers & Flag Registers

Memory Addressing & Data Representation

  • Stack Operations (PUSH, POP, CALL, RET)

  • Memory Segmentation & Paging

  • Data Types & Endianness (Little Endian vs. Big Endian)

Basic Assembly Instructions

  • Data Movement (MOV, LEA, XCHG, PUSH, POP)

  • Arithmetic & Logical Operations (ADD, SUB, MUL, DIV, AND, OR, XOR, SHL, SHR)

  • Control Flow & Branching (JMP, JZ, JNZ, LOOP, CMP, CALL, RET)

  • Interrupts & System Calls (INT 0x80, SYSCALL)

📌 Mini Projects:

  • Create a Simple Calculator in Assembly

  • Write a Program That Manipulates Stack & Registers


Phase 3: Advanced x86/x64 Assembly & Debugging

Calling Conventions & Function Calls

  • x86 vs. x64 Calling Conventions (cdecl, stdcall, fastcall, sysV ABI)

  • Understanding Stack Frames (ESP, EBP, RSP, RBP)

Low-Level System Programming

  • Interacting with the Operating System (Linux syscalls, Windows API)

  • Reading & Writing Files in Assembly

  • Hooking & Patching Functions

Debugging & Reverse Engineering with Assembly

  • Using GDB to Analyze Assembly Code

  • x64dbg & OllyDbg for Reverse Engineering

  • Disassembling Executables with IDA Pro & Radare2

📌 Mini Projects:

  • Reverse Engineer a Simple CrackMe Challenge

  • Patch an Executable to Change Its Behavior


Phase 4: ARM Assembly Programming

ARM Architecture Basics

  • Registers (R0-R12, SP, LR, PC, CPSR)

  • ARM Instruction Set (ARM vs. Thumb Mode)

  • Stack & Memory Management

ARM Instruction Set & Programming

  • Data Movement (LDR, STR, MOV, MVN)

  • Arithmetic & Logical Operations (ADD, SUB, MUL, AND, ORR, EOR, CMP)

  • Branching & Control Flow (B, BL, BX, CMP, BEQ, BNE)

  • System Calls & Interrupts (SWI, SVC)

📌 Mini Projects:

  • Write a Simple Shellcode in ARM Assembly

  • Develop a Basic ARM-Based Keylogger


Phase 5: Assembly for Reverse Engineering & Exploit Development

Shellcoding & Exploit Writing

  • What is Shellcode? Writing Position-Independent Code (PIC)

  • Crafting x86/x64 Shellcode (Linux & Windows)

  • Understanding Buffer Overflows & Stack Smashing

Binary Exploitation Techniques

  • ROP (Return-Oriented Programming)

  • Heap Exploitation & Use-After-Free (UAF) Attacks

  • Format String Vulnerabilities

Malware Analysis with Assembly

  • Analyzing Malware Behavior with IDA Pro & Ghidra

  • Identifying Obfuscation & Anti-Debugging Techniques

  • Decrypting XOR & Base64 Encoded Payloads

📌 Mini Projects:

  • Develop a Custom Shellcode & Execute it in Linux

  • Analyze a Real-World Malware Sample Using Assembly


Phase 6: Advanced Assembly & Optimization

Vector & SIMD Instructions

  • MMX, SSE, AVX, NEON (ARM) for High-Performance Computing

  • Writing Optimized Assembly Code for Performance

Writing Assembly for Embedded Systems & IoT

  • Bare-Metal ARM Programming on Raspberry Pi

  • Interfacing with Sensors & Peripherals (UART, SPI, I2C)

📌 Final Projects:

  • Develop a Minimal Bootloader in x86 Assembly

  • Create a Custom Encryption Algorithm Using Assembly


Final Step: Real-World Practice & Skill Testing

🔥 Platforms to Test & Improve Skills:

🚀 By mastering this roadmap, you’ll be able to:Write & Debug Low-Level Assembly CodeReverse Engineer & Analyze Binary ExecutablesDevelop Exploits & Security Research TechniquesOptimize Code for Performance & Embedded Systems

🔥 Start coding with Assembly today!

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