Malware Analyst Quiz

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1. Which of the following is a type of static analysis?

Observing the behavior of malware in a live system

Running the malware in a controlled environment

Monitoring network traffic generated by malware

Analyzing the malware code without executing it

2. Which technique is often used by malware to modify the flow of control within a program without directly modifying its code?

API hooking

Code injection

Buffer overflow

Registry modification

3. What does the term ‘sandbox’ refer to in malware analysis?

A method for cleaning infected systems

A tool for encrypting malware

A database of known malware signatures

A secure environment isolated from the main network where malware can be executed and analyzed

4. In the realm of malware analysis, what is ‘steganography’ primarily used for?

To perform static analysis without executing the malware

To encrypt data leaving no possibility of decryption

To analyze the binary code of a malware executable

To hide malicious code or data within legitimate files or traffic

5. What is a ‘honeypot’ in the context of cybersecurity?

A vulnerability in software

A type of malware

A secure method for transmitting data

A decoy system designed to attract and analyze attackers and malware

6. What is the significance of ‘side-channel attacks’ in the context of cybersecurity?

They refer to attacks that target the less secure, peripheral systems connected to the main target.

They involve directly attacking cryptographic algorithms to break their encryption.

Side-channel attacks are focused on intercepting side communications between applications to gain unauthorized access.

These attacks exploit indirect information leakage from a system, such as timing, power consumption, or electromagnetic emissions, to extract sensitive data.

7. You are analyzing a suspicious executable with IDA Pro. You notice several calls to the Windows API functions CreateProcess, WriteFile, and Connect. What could be the possible intention of the malware, and what further steps would you take to confirm your suspicions?

The executable is likely benign and requires no further analysis.

The malware intends to replicate itself, so you should search for replication mechanisms next.

The malware could be attempting to perform file operations for persistence. Examining file paths and registry entries could provide more insights.

The malware might be trying to communicate with a C2 server. Analyzing network traffic patterns could confirm this.

8. Which technique is commonly used by malware to avoid detection by static analysis tools?

Encryption

Firewalling

Sandboxing

Obfuscation

9. What is the main purpose of using ‘YARA rules’ in cybersecurity?

To automatically respond to cyber incidents by executing predefined actions

To detect and classify malware samples based on textual or binary patterns

To define the layout and security policies of a corporate network

To encrypt sensitive data before it is transmitted over insecure networks

10. What is ‘DLL Hijacking’ in the context of cybersecurity?

Injecting malicious code into legitimate DLL files

Exploiting the search order of DLLs to execute malicious code

Encrypting DLL files to demand a ransom for decryption keys

Deleting or corrupting DLL files to disrupt system functionality

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