You’ve just received a suspicious image file that may contain hidden data. Which of the following tools would you use to analyze it?

Question

BlackTom AI · Accepted Answer

When assessing tools for analyzing a suspicious image file that may contain hidden data, we need to match the tool’s typical use case to steganography and data extraction tasks.
Option a: Nmap. This is primarily a network scanning and host discovery tool used in cybersecurity to map out services and open ports on targets. It is not designed for analyzing image files or extracting hidden payloads from steganographic data, so it would be inappropriate for this specific task.
Option b: Steghide. Steghide is a popular steganography tool that embeds or extracts hidden data within image or audio files. It fits the scenario perfectly because you’re trying to uncover hidden information concealed inside an image, which is exactly what Steghide is built to do.
Option c: Autopsy. Autopsy is a digital forensics platform used for analyzing disk images and performing file system investigations, recovering deleted files, and timelines. While powerful for forensics, it’s not specialized for extracting hidden payloads from steganographic containers inside image files, making it less appropriate for this narrowly defined task.
Option d: Wireshark. Wireshark is a network protocol analyzer used to capture and inspect network traffic. It has no direct function for inspecting or extracting data from images for steganography, so it wouldn’t be the right tool here.
In summary, the scenario describes detecting concealed data within an image, which aligns with the capabilities of Steghide rather than the other listed tools, which serve networking analysis, general disk forensics, or packet capture purposes.

Practical CTF Strategies (112025-MHH) Mini CTF Lab Challenges Series - Computer Forensic

You’ve just received a suspicious image file that may contain hidden data. Which of the following tools would you use to analyze it?

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