October 2018
Beginner to intermediate
436 pages
9h 36m
English
Content preview from Mastering Reverse Engineering
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Crypters
Obfuscation by encryption is done by crypters. Packers compress the sections while crypters encrypt the sections. Similar to packers, crypters have a stub used to decrypt encrypted code and data. As a result, crypters may instead increase the file size of the host.
The following image shows a file crypted by Yoda Crypter:
The section offsets and sizes have been retained but encrypted. The stub was placed in a newly added section named yC. If we compare how the original opcode bytes look with the encrypted bytes, we'll notice that opcode bytes have zero bytes spread out. This is a trait that can be used to identify encrypted bytes. ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.