BSides STL – Find the Flag – Decoding

Find the flag hidden in this program!
Hint: Build Additional Pylons

This challenge starts with a file called flag.exe

After running it, I checked for any recently changed files, no dice.

Binwalk Output

Looking at the output and, wow! We got a QR code!


And scanning that gives us the flag!
FLAG(YOUFOUNDTHEICON-BSIDESSTL-2017)
~T

Running flag.exe

Alright, let’s throw it in Kali and do some analysis.

Aha! Binwalk says there’s a PNG in there! Lets extract it!

binwalk --dd=".*" flag.exe