KeygenMe

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Python Obfuscated KeygenMe

By musava_ribica

I have provided a zip archive which contains two .py files, as seen in the screenshot. In LicenseChecker.py there is a validation function invoked by main.py where you put the key in the given format.
The python code is obfuscated using a obfuscator I'm currently working on. If you solved the challenge, or have any feedback to give, or need hints/help with reversing without spoiling, please let me know. Thanks.

You can see original source code and the solution in the 'Authors Code' and 'Authors Solution', if you wish.
Good luck!

98 downloads

0 comments

Updated May 29, 2023
WinLicense 3.1.4.32

By InvizCustos

A simple console application that displays the HWID and asks you to enter an "activation key" for it.
Key format: xxxxxxxx-xxxxxxxx-xxxxxxxx-xxxxxxxx-xxxxxxxx-xxxxxxxx-xxxxxxxx-xxxxxxxx-xxxxxxxx-xxxxxxxx
The solution will be a description of the algorithm to generate an activation key for any HWID value (there is no need to write code).

P. S.
Archive password: 123

299 downloads

0 comments

Submitted April 6, 2023
Brute-Force Polynomial for Coefficients.

By Benten

Here is a keygen challenge I got recently. This one requires to find the coefficients of a 26th degree polynomial that sums up to a specific value. A valid serial is also provided. The challenge is to code a keygen with least / reasonable time complexity without patching anything.
Update: Added my initial code that barely works. Please let me have your suggestions to improve the code.

113 downloads

0 comments

Updated November 16, 2022
Plain

By BataBo

This is a little past time project I have been working on, here I put an interesting spin to conventional c# obfuscation.
Try to unpack this file or at least keygen it.

178 downloads

0 comments

Submitted August 5, 2022
Simple C++/CLI Mixed Assembly KeygenMe

By SuperJackAbcd

Your goal is to create a keygen and make a tutorial and/ or write instructions about the steps done by you.
What is C++/CLI?
C++/CLI is C++ support .NET framework to make managed application run on .NET framework.
https://en.wikipedia.org/wiki/C%2B%2B/CLI
Feel free to post your solutions.

201 downloads

0 comments

Updated February 12, 2022
Sean's KeyGenMe

By Sean Park - Lovejoy

Crack and keygen this for training your skills. It is protected with ConfuserEx using some anti tricks.
Write a tutorial and document the methods used in your solution.
My Anti-virus engine detects it's a virus, but it's not.

296 downloads

0 comments

Updated January 28, 2022
Sean's KeyGenMe - Simple Tricks

By Sean Park - Lovejoy

I coded a keygenme, simple tricks.
I hope you enjoy your time trying to solve this!

227 downloads

0 comments

Updated January 1, 2022
Simple KeygenMe 02

By johnfkingzton

Provide a valid serial and User ID or make a keygen. Good Luck.

214 downloads

0 comments

Submitted March 11, 2021
My First App 001

By johnfkingzton

Provide a valid pair of name and serial, or write a keygen.
Good luck.

117 downloads

0 comments

Submitted March 10, 2021
Keygenme MT01

By tarequl.hassan

Hi
I got this keygenme in my hard drive, this is from CIN1TEAM and created by MR. Teo.
Thought this might help someone to test his keygenning skill.

Thanks

149 downloads

0 comments

Submitted March 8, 2021
Easy CrackMe #1

By BunnyLab

Only simple algorithms - for one name one key.
Provide a valid pair of name and serial, or write a keygen.
Good luck.

305 downloads

0 comments

Updated December 9, 2020
Blackett

By LoLLo90

The real goal is to make a keygen capable of generating infinite valid combinations of name and keys.
Btw, also a valid serial is appreciated
The only protection used is renaming.
Good luck!
@kao Long time no see 🧐

150 downloads

0 comments

Updated September 13, 2020