Identifying Functions and Data
Learn techniques to locate significant functions, strings, and other data within disassembled binaries.
Spotting Key Parts of a Binary
Welcome! In reverse engineering, our goal is to understand how a program works without its source code. A critical first step is to identify its core components: functions and data.
These elements are like the building blocks and raw materials of any software. Learning to spot them quickly will significantly speed up your analysis.
Strings: Your First Clues
Strings are often the easiest and most valuable clues in a binary. They can reveal a program's purpose, error messages, user prompts, file paths, network addresses, or API calls.
- Error messages:
"Error: File not found" - URLs/Paths:
"https://malicious.com/update","C:\Windows\System32\config.dat" - User Prompts:
"Enter password:"
Finding them is usually the first step for any analyst.
All lessons in this course
- Introduction to Disassemblers
- Identifying Functions and Data
- Control Flow Graph Analysis
- String & Cross-Reference Analysis