While investigating unexplained restarts on a server, you discover that a malicious program is able to launch itself at boot without user intervention and hide from typical process monitoring. Which method is best for detecting and removing the hidden code?
Use a live memory analysis tool to check for suspicious processes and evaluate whether startup changes are legitimate
Collect real-time network flow logs and rely on signature-based scans for new patterns
Compare key system components against a clean reference and isolate unusual files for deeper analysis
Reboot on random intervals to disrupt malicious processes that remain active
Comparing system files, startup keys, and configurations to a reliable reference helps detect subtle changes that stealthy threats introduce. Over-reliance on logs or scanning for signatures might miss advanced techniques that replace or modify existing components. Randomized reboots are not effective because persistent programs often reintroduce themselves during startup. Memory analysis might reveal active processes, but it can overlook modifications that reload whenever the system boots.
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How do malicious programs hide from typical process monitoring?
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What are startup keys and why are they important in detecting hidden malware?
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Why is comparing system components against a clean reference more effective than real-time memory analysis?