Vasilios Hioureas

Reverse engineer, software developer, malware analyst, smart city hacker, RF hacker, IOT exploit researcher.

April 12, 2018 - In our final installment of the Encryption 101 series, we walk you through the source code of the Princess Locker decryption tool.

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March 27, 2018 - In this part of the encryption 101 series, we will begin wrapping it up by going into detail on a ransomware with weak encryption and walking through step-by-step the thought process of creating a decryptor for it.

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March 6, 2018 - Continuing on in our Encryption 101 series, we now look at what it takes to break encryption. In order for something as powerful as encryption to break, there needs to be some kind of weakness to exploit. That weakness is often a result of an error in implementation.

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February 28, 2018 - In this case study on ShiOne ransomware, part of our Encryption 101 series, we will be reviewing the encryption process line by line and showing the different methods ransomware can use to encrypt files.

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February 20, 2018 - A primer on encryption mechanisms and how they are exploited by malware authors, including an introduction to encryption and the main methods used to encrypt ransomware.

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