For more information, check out the following log posts and documents:
- PE Format (Windows): https://msdn.microsoft.com/en-us/library/windows/desktop/ms680547(v=vs.85).aspx
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Malware Analysis: An Introduction: https://www.sans.org/reading-room/whitepapers/malicious/malware-analysis-introduction-2103
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VirusTotal documentation: https://www.virustotal.com/en/documentation/