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What is the primary purpose of OllyDbg?

  1. Network analysis

  2. Binary code analysis in Windows applications

  3. File transfer protocol

  4. System monitoring

The correct answer is: Binary code analysis in Windows applications

The primary purpose of OllyDbg is binary code analysis in Windows applications. OllyDbg is a popular and well-regarded debugger specifically designed for the analysis of executable files, such as programs compiled for the Windows operating system. It is particularly useful for reverse engineering applications, allowing security professionals, researchers, and developers to inspect the inner workings of binaries, study their behavior, and identify potential vulnerabilities. One of the key strengths of OllyDbg is its ability to display the assembly code of running processes in real-time, making it easier for users to understand how the application operates at a low level. It also features various tools for tracking function calls, memory allocations, and data manipulation within the program, which is invaluable for identifying security flaws and malware behavior. While network analysis, file transfer protocols, and system monitoring might involve other specialized tools, their functionalities do not align with what OllyDbg is designed for. Thus, understanding binary code analysis and reverse engineering applications is essential for cybersecurity practices, making OllyDbg a vital tool in that field.