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The Official Bytecode Club Crackme's
#1
I've only got 6 levels completed, they're targeted at beginners, so if you're experienced with Java Reverse Engineering please wait until I add more levels (Or help me add more levels).
Example launch command: java -cp crackme.jar the.bytecode.club.crackme.level1.Main passw0rd

Beta 1.0: http://the.bytecode.club/crackmes_b1.0.jar (6 levels)
Beta 2.0: http://the.bytecode.club/crackmes_b2.0.jar (7 levels + obfuscation)
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#2
I vouch for these great challenges all completed Smile good luck guys
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#3
(10-11-2014, 06:47 AM)Fade Wrote:  I vouch for these great challenges all completed Smile good luck guys

If you've got any suggestions for the next levels, feel free to let me know!
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#4
I must have fallen asleep for a few days and miss these. Thanks for the releases. Looking forward to the rest of them.
Hi. I'm admin. I don't know why I am on this forum because I don't even know Java.
The most I know about any programming language is Python, which is sad.
If you want to teach me Java for free, message me some tips, links to resources, and/or your Skype.
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#5
Great challenges.
Would be a little harder if the md5 hashes were different and couldn't be looked up online.. Tongue
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#6
(12-27-2014, 05:50 PM)xor Wrote:  Great challenges.
Would be a little harder if the md5 hashes were different and couldn't be looked up online.. Tongue

Haha, I've been meaning to more dedicate some time to this. If you'd like to collab with me I could put this on github and we could work on this further.
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#7
I've added beta 2.0, contains heavy obfuscation + level 7.

I'll be leaving 1-6 unobfuscated in the next version, for now they're obfuscated.
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#8
You have wrong path in link, it should be
http://the.bytecode.club/crackmes_b2.0.jar
(10-10-2014, 05:11 PM)Konloch Wrote:  I've only got 6 levels completed, they're targeted at beginners, so if you're experienced with Java Reverse Engineering please wait until I add more levels (Or help me add more levels).
Example launch command: java -cp crackme.jar the.bytecode.club.crackme.level1.Main passw0rd

Beta 1.0: http://the.bytecode.club/crackmes_b1.0.jar (6 levels)
Beta 2.0: http://the.bytecode.club/crackmes_b1.0.jar (7 levels + obfuscation)
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#9
Cheers, I'll fix that
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About The Bytecode Club

We're a community focused on Reverse Engineering, we try to target Java/Android but we also include other langauges/platforms. We pride ourselves in supporting and free and open sourced applications.