Blue Posted March 22, 2020 Share Posted March 22, 2020 (edited) Language : C++ Platform : Windows, 32/64 bit OS Version : Windows 10 Packer / Protector : None Description : Hey all, Here's a new challenge for everyone interested to learn things, I am sure you guys will surely find this interesting. some rules for this challenge code a valid keygen which can generate multiple valid serial for a given name no code ripping from the keygenme challenge is allowed if you are able to fish a valid serial, please post that too with a little tutorial. That will be accepted as a valid solution 😉 top winners will be awarded the source code @kao I hope that you will attempt this keygen me challenge, and I am damn sure you won't take much long to solve this. But if you do try this, I request to to please enlighten us with your suggestions and may be a tutorial. Screenshot : All the best 👍 keygenme-1.zip Edited March 22, 2020 by Blue updated the post as per guidelines Link to comment Share on other sites More sharing options...
kao Posted March 24, 2020 Share Posted March 24, 2020 @Blue: you have a bug in your crackme that makes keygenning it so much harder. You use string "DE" in 2 places - which is really not good. So, I cheated. Spoiler Blue : QURCMC0tREUtLURFLS1ERS0tQkUtLUJFLS1CRS0tQkUtLURF same serial will work for any 4-letter username. kaokao : QzBCRS0tREUtLURFLS1ERS0tQjAtLUIwLS1CMC0tQjAtLURF same serial will work for any 6-letter username. tuts4you.com : QkVGMC0tREUtLURFLS1ERS0tQURDMC0tQURDMC0tQURDMC0tQURDMC0tREU= same serial will work for any 12-letter username. 2 1 Link to comment Share on other sites More sharing options...
Blue Posted March 24, 2020 Author Share Posted March 24, 2020 Damn! I how I missed that 😢 Btw, it's always a pleasure to get comments from you 🙂 Link to comment Share on other sites More sharing options...
Solution kao Posted March 24, 2020 Solution Share Posted March 24, 2020 Another bug in crackme - certain part of code will get stuck in eternal loop. For example, try using serial "QzBDMDBCMEJCMEIwREUwRC0tREVDMEFE" Attached is a keygen + source which works it's way around different issues in keygenme. Except the eternal loop, that is.. kg_for_blue_saga_by_kao.zip 2 2 Link to comment Share on other sites More sharing options...
Sean Park Posted January 3, 2022 Share Posted January 3, 2022 kao is also good R.C.E. skiller. I respect you,too. regards. sean. Link to comment Share on other sites More sharing options...
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