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Detecting and Combating Malicious Email by Cade Kamachi, Julie JCH Ryan

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Chapter 4

Inside Messaging: Making the Hidden Visible

Abstract

It is easy to look at an email and not see what is hidden behind the display. In fact, most people would not even suspect that behind a very simple looking email might be lurking some complicated programming. The header of an email contains a treasure trove of information, which for malicious emails can be very useful information. The message body can include all kinds of hidden features that you may not be able to see when you view it in your normal viewing window. Sometimes the attackers hide their attack in one or more attachments. It is both a reality and a shame that bad guys figured out how to trick people into doing things they ordinarily would not do by simply disguising ...

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