February 2012
Intermediate to advanced
800 pages
23h 55m
English
Content preview from Practical Malware AnalysisBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Debugger Vulnerabilities
Like all software, debuggers contain vulnerabilities, and sometimes malware authors attack them in order to prevent debugging. Here, we present several popular vulnerabilities in the way OllyDbg handles the PE format.
PE Header Vulnerabilities
The first technique modifies the Microsoft PE header of a binary executable, causing OllyDbg to crash when loading the executable. The result is an error of “Bad or Unknown 32-bit Executable File,” yet the program usually runs fine outside the debugger.
This issue is due to the fact that OllyDbg follows the Microsoft specifications regarding the
PE header too strictly. In the PE header, there is typically a structure known as the IMAGE_OPTIONAL_HEADER. Figure 16-5 shows a subset of ...
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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.