Welcome to the 10th Annual Flare-On Challenge!
Statistically, you probably won’t finish every challenge. Every journey toward excellence starts somewhere though, and yours starts here. Maybe it ends here too.
This package contains many files and, I can’t believe i’m saying this, click the one with the “.exe” file extension to launch the program. Maybe focus your “reverse engineering” efforts on that one too.
7-zip password: flare
Challenge file: X
The competition starts with an easy challenge. You download and decompress the challenge file, and you get the following list of files:
If you run the app (X.exe), the following window appears:
It seems that we're supposed to enter a specific number to get the flag.
Looking at the challenge files, we notice two interesting files:
X.exeX.dll
If we throw X.dll in dnSpy and navigate through the code responsible for checking for the correct answer, we get the flag:
This means that if we enter the number "42" in the captcha, we get the "congrats" message box.
