I know, describing long hours of trial-and-error tedium as exciting is pretty nerdy. But I think the description is appropriate when it comes to shellcoding. I still remember the first time I got root on a Linux target with a carefully crafted overflow and some shellcode. I literally yelped when I saw the shell! Chapter 7, Stack and Heap – Memory Management, was a nice introduction to the buffer overflow concept and shellcoding fundamentals, but there was something missing that made it less yelp-worthy. That's right: we were using a vulnerable C program with a main function very similar to countless other introductory demonstrations of the concept. We even disabled security measures to make it work. It felt like we were sitting in the classroom wondering when we'd use this stuff in the real world. I felt like a teenager again, but not...
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