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Challenge of Reverse Engineering

Try a challenge or contribute your own, any platform or operating system...

The creation of new topics is disabled in these subforum categories.

Please create and post your new challenges in the appropriate subcategory of Downloads > Challenge of Reverse Engineering

A topic will then automagically be created and posted in these forums...

  1. squ1zzy
    KeygenMe · Started by squ1zzy,

    Since this is my first post, I would like to introduce myself: Introduction: I'm Raymond, 29 and coming from The Netherlands. I am an IT professional for 3 years now and interested in reverse engineering. It's a "challenge" for me to reverse engineer a crackme and some sort of a hobby My First CrackMe: I had zero knowledge about reverse engineer since just a couple of days ago. I started reading alot yesterday and today and I decided to give it a shot to create my own CrackMe. The CrackMe is written in Microsoft Visual Basic 2008 Express Edition and it's very simple. Tutorial: I've made a tutorial for my own CrackMe to help out other newbies like me The tutorial …

    • 1 reply
    • 6.5k views
    magicrain@hotmail.com
    magicrain@hotmail.com
  2. Hertz
    CrackMe · Started by Hertz,

    This one will take your time xD Last one for today,tomorrow i think i'll change programming language. Find the password in uppercase for user admini AntiCracker.rar

    • 2 replies
    • 6.8k views
  3. Hertz
    CrackMe · Started by Hertz,

    I hope this one it's ok BoRoV . Find the valid password. CrackMe.rar

    • 2 replies
    • 4.6k views
  4. Hertz
    CrackMe · Started by Hertz,

    Find the correct validation code.I hope you ll get some hard times with this one. HF! CrackMe.rar

    • 1 reply
    • 4k views
  5. Hertz
    CrackMe · Started by Hertz,

    Find the password for user admin HF! CrackMe.rar

    • 2 replies
    • 6.1k views
  6. MIB
    CrackMe · Started by MIB,

    It is quite old I hope you will really have fun with this one. Hint: emulator Crackme.rar

    • 1 reply
    • 6.4k views
  7. Saduff
    KeygenMe · Started by Saduff,

    OK, I made a new KeygenMe. This time I didn't use any cryptos. I also made serial fishing harder. Rules: Patching is not allowed! Accepted Solutions: Serial (Silver) Self-Keygen (Silver) Keygen (Gold) Solved by: 1. mudlord - Serial, Self-Keygen (Silver) 2. Kripton - Keygen (Gold) 3. wyrda - Serial (Silver) 4. phpbb3 - Keygen (Gold) 5. Ormin - Serial (Silver) 6. Frie1960 - Keygen (Gold) 7. Seee - Serial (Silver) 8. BoRoV - Keygen (Gold) 9. Revos - Serial (Silver) KeygenMe__9.zip

      • Like
    • 19 replies
    • 7.2k views
  8. SMNsoft
    UnPackMe · Started by SMNsoft,

    hello Please unpack this file. It's too easy SMNsoft_UnpackMe_1.zip

  9. SMNsoft
    KeygenMe · Started by SMNsoft,

    This a simple keygenMe please keygenMe... SMNsoft_KeygenMe_4.rar

    • 6 replies
    • 4.6k views
  10. MIB
    CrackMe · Started by MIB,

    A easy linux crackme,that can be solved easily on a Windows box (for example with IDA). Linux.rar

      • Like
    • 2 replies
    • 4.4k views
  11. MIB
    CrackMe · Started by MIB,

    Have fun. CrackMe7.rar

    • 4 replies
    • 6.9k views
  12. GioTiN
    CrackMe · Started by GioTiN,

    hello everyone ! Under SEH Protectors wants to have a license manager system that allow users to control copy protection and selling their softwares. in License validation i did some thing and here we have a crackme or keygenMe please do some thing this crackme gets cracked , but there is a question and that is when this program cracked successfully ? this program is cracked successfully when you clicked on Validate button , a messageBox Appear and say to you , You are Professional Cracker. keygen or patch it download link : http://haarp.webng.com/CrackMe.rarit's packed with UPX and there is no VM or other protection , just Native code with a little obfuscated code by SE…

    • 10 replies
    • 7.1k views
  13. Hertz
    CrackMe · Started by Hertz,

    I hope you love ASM. Asm_CrackMe1.rar

    • 1 reply
    • 4.1k views
  14. GioTiN
    UnPackMe · Started by GioTiN,

    Hello Everyone Under SEH Team Proudly Presents SEH Protector 2.5.0 Unpack ME Enabled Options : [+] Debugger Detection [+] AntiDump Protection [+] Code Obfuscation [+] Anti Decompiler Protection [+] Memory Protection [+] Added Stolen Byte Tech. [+] Stolen Byte Tech improved. [!] Fixed Some bugs on Stub that helps crackers to Unpack it easily. Mirror : http://www.ziddu.com/download/5610988/SEHProtector2.5.0_UnpackME.rar.html Unpack this and write a tutorial BR , Under SEH Team

    • 39 replies
    • 16.9k views
  15. Hertz
    KeygenMe · Started by Hertz,

    My first post,one of my applications.More will come after this.Have fun. KeyGenMe1.rar

    • 2 replies
    • 4k views
  16. Kripton
    KeygenMe · Started by Kripton,

    I've never posted any of my keygenmes here so I thought I'd throw this one up to see if I can get a solution for it. Rules: Keygen and serial are the only valid solutions. No patching/Selfkeygenning etc.. Cheers, Krip KeyGenMe4.rar

    • 2 replies
    • 10.7k views
  17. Saduff
    KeygenMe · Started by Saduff,

    Since this is my tenth KeygenMe, it has to be Very Hard. No, I did not use any cryptos, but it is protected with hardcore math. Note: You will find a MD5 reference, but MD5 is only used in serial checking. Rules: Patching is not allowed! Accepted Solutions: Serial (Silver) Self-Keygen (Silver) Keygen (Gold) Solved by: 1. HVC - Keygen (Gold) 2. BoRoV - Keygen (Gold) 3. Frie1960 - Serial (Silver) 4. Seee - Serial (Silver) KeygenMe__10.zip

    • 11 replies
    • 11k views
  18. thisistest
    UnPackMe · Started by thisistest,

    hi,this is Armadillo unpackme There are groups inside the right key For good work, please add signature up sorted. 4A11F680 6.60 19-05-2009 49921500 6.40 11-02-2009 49863780 6.40Beta-1 02-02-2009 49371D80 6.24 04-12-2008 49347A80 6.24 02-12-2008 Armadillo_v6.60.0140.rar

    • 8 replies
    • 7.6k views
  19. GioTiN
    UnPackMe · Started by GioTiN,

    Hello Everyone Under SEH Team Proudly Presents SEH Protector 1.0.5 Unpack ME Enabled Options : [+] Debugger Detection [+] AntiDump Protection [+] Code Obfuscation [+] Anti Decompiler Protection [+] Memory Protection Mirror : http://underseh.webng.com/SEH%20Protector%201.0.5_UnpackMe_Under%20SEH%20Team.rar Unpack this and write a tutorial BR , Under SEH Team SEH_Protector_1.0.5_UnpackMe_Under_SEH_Team.rar

    • 30 replies
    • 13.6k views
  20. acidflash
    UnPackMe · Started by acidflash,

    Good luck... PECompact_UnPack_Me.rar

    • 17 replies
    • 10.1k views
  21. EvOlUtIoN
    UnPackMe · Started by EvOlUtIoN,

    Here is an unpackme of TheMida 2.0.8.0 It is similar to previous one, except that it is not hardware locked, so should be easier to unpack. The only thing is that it has a RISC VM, so it will be harder to dump. Goal is just to upack it. Good luck. TheMida_2080_unpackme.zip

    • 18 replies
    • 10.1k views
  22. SMNsoft
    KeygenMe · Started by SMNsoft,

    hello Can you keygen this file? It's too hard thanks CrackMe05.zip

    • 2 replies
    • 4k views
  23. cobrasniper555
    CrackMe · Started by cobrasniper555,

    First of all, this isn't my crackme. This is Sharpe's from Crackmes.de. It took me a little while to solve it, and when I did, I was very pleased with the programming and programmer. It's a very good crackme! I warn you though, the difficulty is a little under-rated. Enjoy! -Cobrasniper555 eight.zip

    • 0 replies
    • 4.1k views
    cobrasniper555
    cobrasniper555
  24. surpriser
    CrackMe · Started by surpriser,

    hi this is my first post in this forum! this crack me have nag message "Unregistered".patch it and put here. Warning: DONT CHANGE STRINGS! download and extract all files and then run crackme.bat file. for run this crackme you NEED DOT NET FRAMEWORK 2.0 or higher. Thanks a lot CrackMe_By_Surpriser_V1.zip

    • 6 replies
    • 9k views
  25. Saduff
    KeygenMe · Started by Saduff,

    This is my eighth KeygenMe. Previous ones are too simple. Rules: Patching is too easy Serial fishing is also too easy Only solution is a stand-alone keygen. Self-keygenning is allowed when you can't make a stand-alone keygen. Solved by: 1. ::: - phpbb3 - ::: - Keygen 2. MA1201 - Keygen Register_Me__8.zip

      • Like
    • 10 replies
    • 5.2k views

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