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Applied Cryptanalysis

This course provides demonstrations of using cryptanalysis for incident response.

4 videos  //  26 minutes of training

Course description

Cryptanalysis is a useful skill for incident response since many malware authors try to protect their data and network traffic through obfuscation. This course demonstrates how to decrypt TLS traffic in Wireshark, how to decode malware command-and-control traffic, and how to identify and break a common way of hiding downloaded malicious files.

Course syllabus

Course IntroductionDuration: 0:54

This video introduces the Applied Cryptanalysis course.

TLS DecryptionDuration: 7:30

This video demonstrates decryption of TLS traffic in Wireshark.

Decrypting Malware Command and ControlDuration: 10:13

This video demonstrates decryption of malware command and control traffic.

Decrypting Downloaded FilesDuration: 6:55

This video demonstrates decryption of files downloaded by multi-stage malware.

Meet the author

Howard Poston


Howard Poston is a cybersecurity researcher with a background in blockchain, cryptography and malware analysis. He has a master's degree in Cyber Operations from the Air Force Institute of Technology and two years of experience in cybersecurity research and development at Sandia National Labs.

He currently works as a freelance consultant providing training and content creation for cyber and blockchain security. He can be reached by email at or via his website at

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FireEye, Inc.

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Chief Information Officer

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Information Security Systems Officer

Plans and pricing





$599 / license

Annually. Includes all content plus team admin and reporting.