Pythons and Unicorns and Hancitor…Oh My! Decoding Binaries Through Emulation

This blog post is a continuation of my previous post, VB Dropper and Shellcode for Hancitor Reveal New Techniques Behind Uptick, where we analyzed a new Visual Basic (VB) macro dropper and the accompanying shellcode. In the last post, we left off with having successfully identified where the shellcode carved out and decoded a binary from the Microsoft Word document.

Often when analysts are faced with an embedded payload for which they want to write a decoder, they ...