December 2017
Intermediate to advanced
860 pages
16h 1m
English
Content preview from Metasploit Revealed: Secrets of the Expert Pentester
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What are fuzzers?
In the preceding example, we had access to the source code, and we knew that the variable buffer can hold a maximum of 25 characters. So, in order to cause a buffer overflow, we can send 30, 40, or 50 characters as input. However, it's not always possible to have access to the source code of any given application. So, for an application whose source code isn't available, how would you determine what length of input should be sent to a particular parameter so that the buffer gets overflowed? This is where fuzzers come to the rescue. Fuzzers are small programs that send random inputs of various lengths to specified parameters within the target application and inform us the exact length of the input that caused the overflow ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.