Recent Posts

MalwareTech Shellcode Challenge #2

Yesterday, MalwareTech posted two shellcode challenges. I spent some time going through the first challenge and wrote a walkthrough of it here. I recommend r...

MalwareTech Shellcode Challenge #1

Today, MalwareTech posted a beginner’s RE challenge on Twitter, and I thought it would be fun to go through it and write up how to do it with IDA and Python.

JavaScript Coinhive in Excel

This code does have persistence, if you save the XLSX sheet now and reopen it, your PC will instantly start to mine again without any user interaction.