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Michael is a junior security analyst working for the National Security Agency (NSA), primarily focusing on breaking terrorist encrypted messages. The NSA employs various methods to decipher encrypted messages, including Government Access to Keys (GAK) and inside informants. They hold secret backdoor keys to many encryption algorithms used on the Internet. However, the NSA faces a challenge as terrorist organizations begin using custom-built algorithms or obscure algorithms purchased from corrupt governments. Consequently, Michael and other security analysts have to adopt different methods to decipher terrorist messages.

One method Michael devised was to hide malicious code inside seemingly harmless programs. He monitors sites and bulletin boards used by known terrorists to glean email addresses of suspected terrorists. Michael then embeds a stealth keylogger into a mapping program file and sends it as an attachment to the terrorist. This keylogger captures screenshots every 2 minutes and logs all keyboard activity into a hidden file on the terrorist's computer. The keylogger then emails these files to Michael twice a day using a built-in SMTP server.

What technique has Michael used to disguise this keylogging software?

A. Steganography
B. Wrapping
C. ADS
D. Hidden Channels

Answer :

Final Answer:

A. Michael has used steganography to disguise the keylogging software within seemingly harmless programs.

Explanation:

Michael has employed the technique of steganography to disguise the keylogging software within seemingly harmless programs. Steganography involves concealing information within other digital content, such as images, audio files, or in this case, programs.

By embedding the keylogger in a mapping program file, Michael hides the malicious functionality within an innocuous façade, making it difficult for the recipients, in this case, the terrorists, to detect its true purpose.

Steganography is a technique that enables the covert communication of information by concealing it within unrelated data, making it appear inconspicuous. In this scenario, Michael's approach involves embedding a stealth keylogger into a mapping program file.

This means that the malicious code responsible for capturing screenshots and keyboard activity is integrated into the mapping program's code without raising suspicion. When terrorists receive the seemingly harmless mapping program attachment, they remain unaware that it contains hidden keylogging functionality.

The technique relies on the assumption that recipients of the file will simply perceive it as a regular mapping program and therefore won't scrutinize it for malicious intent. This covert method is particularly effective in scenarios where traditional encryption methods might not work, such as when terrorists utilize custom-built or obscure encryption algorithms.

Therefore, the correct option is A. Steganography

By evading these encryption methods altogether and focusing on the social engineering aspect, Michael increases the chances of successfully infiltrating the communication network of these terrorists.

Learn more about steganography

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