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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. MIB
    CrackMe · Started by MIB,

    If you find the key and the code you will get a password. Keyme.rar

    • 4 replies
    • 4.3k views
  2. wuhanqi
    UnPackMe · Started by wuhanqi,

    Hello everyone: This PE Optimizer 1.4 was packed By myself with Enigma 1.68. Anti-Debugger.Check sum. File analyzer deception. Advance Import Protection And Virtual Machine were enabled. I've selected several functions. If you can unpack this file. Please write a tut. You may send it to me. My email address is wuhanqi@qq.com. I really want to learn about how to deal with the Virtual Machine. Thanks. wuhanqi. PE Optim_EN_packed.rar

    • 5 replies
    • 10.1k views
  3. VESA
    KeygenMe · Started by VESA,

    Hi guys... here is my 4th keygen me! JUST MAKE A KEYGEN! Best Regards, VESA KeyGenMe4.rar

    • 3 replies
    • 8.6k views
  4. VESA
    KeygenMe · Started by VESA,

    Hi, here is my 3rd keygen me! Now play with this one and wait for next hard kgm!!! KeyGenMe 3 - VESA.rar

    • 13 replies
    • 5.9k views
  5. Sp1d3rZ
    UnPackMe · Started by Sp1d3rZ,

    Hi Friends. Here is new VMProtect 1.8 UnpackMe.. HAPPY UNPACKING VMP1.8_UnpackMe.vmp.rar

    • 6 replies
    • 8k views
  6. thisistest
    UnPackMe · Started by thisistest,

    hi.this is text, I make a movie EncryptPE V2.2007.12.1.rar EncryptPE V2.2007.rar

    • 2 replies
    • 5.7k views
  7. MIB
    KeygenMe · Started by MIB,

    Find the valid serial for the user DavidOgden KeyGenMe.rar

    • 1 reply
    • 17.5k views
  8. Hertz
    KeygenMe · Started by Hertz,

    Find the right serial for user Administrateur Serialme.rar

    • 3 replies
    • 4.1k views
  9. Hertz
    KeygenMe · Started by Hertz,

    Find the password Serialme.rar

    • 4 replies
    • 6.5k views
  10. 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
    • 6.6k views
    magicrain@hotmail.com
    magicrain@hotmail.com
  11. 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
    • 6.9k views
  12. Hertz
    CrackMe · Started by Hertz,

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

    • 2 replies
    • 4.7k views
  13. 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
  14. Hertz
    CrackMe · Started by Hertz,

    Find the password for user admin HF! CrackMe.rar

    • 2 replies
    • 6.2k views
  15. 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
    • 6.5k views
  16. 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
    • 7.3k views
  17. SMNsoft
    UnPackMe · Started by SMNsoft,

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

  18. SMNsoft
    KeygenMe · Started by SMNsoft,

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

    • 6 replies
    • 4.7k views
  19. 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
    • 4.5k views
  20. MIB
    CrackMe · Started by MIB,

    Have fun. CrackMe7.rar

    • 4 replies
    • 7k views
  21. 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
    • 7.3k views
  22. Hertz
    CrackMe · Started by Hertz,

    I hope you love ASM. Asm_CrackMe1.rar

    • 1 reply
    • 4.2k views
  23. 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
    • 17.1k views
  24. Hertz
    KeygenMe · Started by Hertz,

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

    • 2 replies
    • 4.1k views
  25. 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
    • 10.8k views

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