December 2018
Beginner to intermediate
456 pages
12h 45m
English
Content preview from Practical Binary 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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BIMPLEMENTING PT_NOTE OVERWRITING USING LIBELF
In Chapter 7, you learned how to inject a code section by overwriting the PT_NOTE segment at a high level. Here, you’ll see how the elfinject tool you’ll find on the virtual machine implements this technique. In the process of describing the elfinject source, you’ll also learn about libelf, a popular open source library for manipulating the contents of ELF binaries.
I’ll focus on the parts of the code that implement the steps from Figure 7-2 (page 170) using libelf, leaving out some parts of the code that are straightforward and don’t involve libelf. To learn more, you can find the rest of the elfinject source on the virtual machine located in the code directory for Chapter 7.
Be sure to read Section ...
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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.