amos loves to tinker

In the last article, we found where code was hiding in our samples/hello executable, by disassembling the whole file and then looking for syscalls.

Later on, we learned how to...

In part 1, we’ve looked at three executables:

• sample, an assembly program that prints “hi there” using the write system call.
• entry_point, a C program that...

So. Serializing IPv4 packets. Easy? Well, not exactly.

IPv4 was annoying to parse, because we had 3-bit integers, and 13-bit integers, and who knows what else. Serializing it is...

Alright. ALRIGHT. I know, we’re all excited, but let’s think about what we’re doing again.

So we’ve managed to look at real network traffic and parse it...

In the last part, we’ve finally parsed some IPv4 packets. We even found a way to filter only IPv4 packets that contain ICMP packets.

There’s one thing we...

Hello and welcome to Part 11 of this series, wherein we finally use some of the code I prototyped way back when I was planning this series.

Where are we standing?

Let’s...