1-Month Integrated C & Reverse Engineering Course

Welcome to your intensive 1-month journey into the heart of software. This course is designed to teach you C programming and Reverse Engineering (RE) simultaneously by following a "Build and Break" philosophy.

🎯 Goal

By the end of this month, you will not only be able to write robust C programs but also understand how they are transformed into machine code and how to analyze binaries without access to their source code.

🛠 Prerequisites & Tools

We will be using a Linux-based environment (x64 architecture). Ensure the following tools are installed:

Compiler: gcc
Debugger: gdb (highly recommended to install GEF or Peda)
Static Analysis: Ghidra
Binary Utilities: objdump, nm, strings, readelf

📅 Curriculum Overview

Week 1: The Building Blocks (Variables & Memory)

Focus: How data is stored.
C: Data types, variables, scopes, and basic arithmetic.
RE: CPU Registers, the Stack, and Memory Addressing.
Task: Write a math program and watch variables move through registers in GDB.

Week 2: Control Flow & Logic

Focus: How decisions are made.
C: if/else, for/while loops, and switch statements.
RE: Jumps, Flags, and Branching logic in Assembly.
Task: Build a password validator and bypass it by patching the binary.

Week 3: Functions & Memory Management

Focus: How programs are structured.
C: Functions, Pointers, Arrays, and Memory Allocation.
RE: Calling conventions, Stack Frames, and Pointer arithmetic.
Task: Create a sorting algorithm and trace the memory layout during execution.

Week 4: Data Structures & Vulnerabilities

Focus: How complex systems work and fail.
C: Structs, Unions, and Dynamic Memory.
RE: Heap analysis and identifying security vulnerabilities.
Task: Build a small database and exploit a controlled buffer overflow.

🔄 Daily Workflow

For every topic, we will follow this exact pattern:

The Lesson: A conceptual deep-dive into a C concept and its RE counterpart.
3 Exercises: Hands-on challenges where you write the code and analyze the binary.
The Correction: We review your implementation and deconstruct the assembly together.
Documentation: We generate a topic-specific README.md and a set of Anki Cards to ensure long-term retention.

🚀 Getting Started

To begin, create your first program in the week1/ directory:

mkdir -p week1/day1
touch week1/day1/hello.c

Refer to the plans/1-month-c-re-integrated.md for the full detailed schedule.

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