Security

The Power of Procrastination: Detection and Mitigation of Execution-Stalling Malicious Code

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Executive Summary

Malware continues to remain one of the most important security problems on the Internet today. Whenever an anti-malware solution becomes popular, malware authors typically react promptly and modify their programs to evade defense mechanisms. For example, recently, malware authors have increasingly started to create malicious code that can evade dynamic analysis. One recent form of evasion against dynamic analysis systems is stalling code. Stalling code is typically executed before any malicious behavior. The attacker's aim is to delay the execution of the malicious activity long enough so that an automated dynamic analysis system fails to extract the interesting malicious behavior.

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