Author:
1337ReverseEngineer

Language:
C/C++

Upload:
3:08 PM 01/10/2023

Download

Platform
Windows

Difficulty:
3.0

Quality:
4.0

Arch:
x86

Description

First crackme in multi part series VMAdventures. This aims to introduce you to the concept of code virtualization. Hard crackme. No patching. Your main objective is to find a secret key to get "Correct key!" to print to the chat. If you need hints, please read hint text files. I will most likely upload source code later and link it in the comments.

• Comments
• Solutions

r0B on 1:20 PM 01/12/2023: Welcome to VMAdventures indeed :) Thanks for the upload!

aryanmmb on 12:28 PM 01/13/2023: Good Crackme Tanx {{Welcome to ??????tures :)}}

CyGhost on 3:38 PM 01/20/2023: Any hints? I am new too this stuff and this is as far as i got myself: https://imgur.com/a/ywcKTP0

Jollyc on 2:28 PM 01/21/2023: CyGhost, take a look at the function above the if statement

sa2304 on 1:51 PM 01/23/2023: Thanks, that was a nice one. The hardest part for me was to deal with multibyte NOPs: old tools like ollydbg & ida5 do not understand it. I thought that was the bytecode executed in SEH handler when InvalidOpcode interrupt occurs :)

50r4 on 10:44 PM 01/28/2023: good one

dev0 on 12:25 PM 03/11/2023: How did you code the vector operations in the function?

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