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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. b1scoito
    UnPackMe (.NET) · Started by b1scoito,

    Difficulty : (4.7) Language : (.NET) Platform : (Windows x32/x64) OS Version : (All) Packer / Protector : (ConfuserEX Mod) Description : (Unpack me!) Screenshot : Crack-me.exe

      • Like
    • 6 replies
    • 13.9k views
  2. Kazura
    UnPackMe (.NET) · Started by Kazura,

    Language : . NET Platform : Windows OS Version : Windows 7/Windows 8/Windows 10 Packer / Protector : Archangel Cloak .NET Description : Unpack the file and attached here. Write tutorial please. Screenshot :  Cloaked.rar

      • Like
      • Thanks
      • Haha
    • 4 replies
    • 7.4k views
  3. MulaB
    UnPackMe (.NET) · Started by MulaB,

    Difficulty : ~/10 ( I dont know ) Language : . NET Platform : Windows OS Version : Windows 7/Windows 8/Windows 10 Packer / Protector : Appfuscator String Encryption + Code Displacer Description : Unpack the file and get the password. Upload the file with a small tutorial if possible it would be highly appreciated. Screenshot :  Unpackme.rar

  4. Cursedzx
    UnPackMe (.NET) · Started by Cursedzx,

    Difficulty : Probably 7 Language : C# .NET Platform : Windows (anyCPU) OS Version : Windows 7 Above Packer / Protector : Confuserex Modded by Cµrsëd$hëëp v3 Description : Upload the Unpacked file and Give me a detailed tutorial. like... tell me the specific method or specfic tools you used in order. as i said in the previous unpack challenges XD. Also tell me how'd you decrypt the methods and strings. ConsoleApplication3.exe

      • Like
    • 3 replies
    • 7.6k views
  5. Cursedzx
    UnPackMe (.NET) · Started by Cursedzx,

    Difficulty : Probably 4 Language : C# .NET Platform : Windows (anyCPU) OS Version : Windows 7 Above Packer / Protector : Modded ConfuserEx v1.0.0 by Cµrsëd$hëëp v2 Description : Upload the Unpacked file and Give me a detailed tutorial. like... tell me the specific method or specific tools you used in order. Screenshot : UnpackMe.exe

    • 4 replies
    • 10.1k views
  6. 4r1
    UnPackMe · Started by 4r1,

    Hi all, I made an unpackme. Hope you enjoyed. Tutorials are welcome. 4r1 unpackme.zip

      • Like
    • 9 replies
    • 19.9k views
  7. xSilent
    KeygenMe · Started by xSilent,

    Language: .NET Platform: Windows / any OS with Mono OS Version: Any Protection: My little VM Description: I'm just curious about how strong my VM is so far. Good luck Screenshot: KeygenMe.7z

      • Thanks
      • Like
    • 4 replies
    • 9.7k views
  8. Reasen
    UnPackMe · Started by Reasen,

    Difficulty : Unknown Language : Delphi XE8 Platform : Windows x86/x64 OS Version : XP and above Packer / Protector : Safengine Shielden v2.3.8.0 Max Options + Virtualized button Function using Safengine SDK Description : This Safengine Version(last one) have support for virtualize the parts of the executable you want, i virtualized the button with the function (cracked or not cracked) and packed the executable with it, Good luck! SafengineCrackMe.zip Screenshot :

  9. mattheig
    CrackMe · Started by mattheig,

    Language: C/C++ Platform: Windows x86 OS Version: Windows Packer / Protector: None Description: Simple obfuscation. Change "input a number" text. Gold: add +1 to sum factorial Screenshot: OBFTest.exe

      • Like
    • 3 replies
    • 8.1k views
  10. Sayness
    CrackMe · Started by Sayness,

    Language : .NET Platform : Windows Packer / Protector : Confuserex mod OS Version : (Windows 7, Windows 8, Windows 10) Description : uncompress the file for to see the code and at the end the file works with the password Screenshot : CrackMe.exe

    • 2 replies
    • 6.3k views
  11. Leila.Morar48
    CrackMe · Started by Leila.Morar48,

    Language : C++ Platform : Windows x32 OS Version : (Windows 7-10) Packer / Protector : None Description : Find password Screenshot : VT VM_CrackMe.exe

      • Like
    • 2 replies
    • 5.5k views
  12. SunshineProtector
    KeygenMe · Started by SunshineProtector,

    Language : VB.NET Platform : Windows x86 / x64 OS Version : All Packer / Protector : ConfuserEx Modded Description : Get the key and verify. Screenshot : Crack-me.exe

      • Like
    • 1 reply
    • 11.5k views
  13. GautamGreat
    KeygenMe · Started by GautamGreat,

    Difficulty : 2 (I guess) Language : C++ Platform : Windows OS Version : All Packer / Protector : None Description : It is a simple keygenme challenge. Coded in C++, solution is only a working keygen. Screenshot : KeygenMe #2.rar

    • 1 reply
    • 19.8k views
  14. mattheig
    CrackMe · Started by mattheig,

    Language : C++ Platform : Windows x64 OS Version : Windows Packer / Protector : none Description  A Simple CrackMe Solve the missing key. If u don't find key - Patch it.  Screenshot CrackMe.exe

      • Like
      • Thanks
    • 6 replies
    • 5.7k views
    HostageOfCode
    HostageOfCode
  15. lemonrain
    UnPackMe · Started by lemonrain,

    please unpack it and make a tutorial. downlink also: http://www37.zippyshare.com/v/63867645/file.html unpackme.rar

  16. NightBaron
    CrackMe · Started by NightBaron,

    Language : .NET Platform : Windows OS Version : All Windows (.NET Framework 4.6 or higher) Packer / Protector : The4Got10's Protector (Modded ConfuserEx) with VM and Native Shield Description : Crack (I don't care if this file is fully unpacked or not) this application and make a short tutorial for it. I want to know my app are strong or weak. Thank! Screenshot : Protected.7z if cant start this app try 2nd file Protected2nd.7z

      • Like
    • 5 replies
    • 13.1k views
  17. Teddy Rogers
    UnPackMe · Started by Teddy Rogers,

    Armadillo 4.66 http://tuts4you.com/download.php?view.1688 Ted.

    • 18 replies
    • 15.8k views
    CodeExplorer
    CodeExplorer
  18. er132
    UnPackMe (.NET) · Started by er132,

    Difficulty : you Tell me Language : c# Platform : Windows OS Version : Windows 7, Windows 8, Windows 10 Packer / Protector : agile.net Description : protecation good! Screenshot : Unpackme_version2.zip

      • Like
    • 2 replies
    • 4.8k views
  19. qwe00
    UnPackMe (.NET) · Started by qwe00,

    Difficulty : 5-6 Language : C# Platform : Windows x32/x64 OS Version : All Packer / Protector : ConfuserEX Custom Screenshot : Description : Unpack-me and clean the code,and tell me how you did this UnpackMe1.rar

      • Like
    • 2 replies
    • 5.9k views
  20. MindSystem
    UnPackMe (.NET) · Started by MindSystem,

    Hello, i found a special crackme obfuscated with .net reactor 4.9. I think his version of .net reactor is modded Here's the file : http://www5.zippyshare.com/v/2225980/file.html I'm working with the file since 5 days and i didn't find any solution. If someone can help me Cra'ckMe.zip

      • Like
    • 46 replies
    • 75.2k views
  21. er132
    UnPackMe (.NET) · Started by er132,

    Difficulty : you Tell me Language : c# Platform : Windows OS Version : Windows 7, Windows 8, Windows 10 Packer / Protector : Eazfuscator.NET , Modify Version ConfuserEx , dynamic protecation Description : protecation good! (Detcted Virus But Isnt Virus (For protecation))) Screenshot : Unpack_ME.exe

    • 7 replies
    • 6k views
  22. leqici
    CrackMe · Started by leqici,

    Language : C# Platform : Windows x64 | x86 OS Version : Windows Packer / Protector : Modded ConfuserEX, Riddle, Enigma Protector (My own config) Description A Simple CrackMe Solve the missing key. Screenshot CrackMe.exe

      • Like
      • Thanks
    • 9 replies
    • 8.7k views
  23. redblkjck
    UnPackMe · Started by redblkjck,

    Here is a simple unpackme that checks if still packed. It uses known checks from PECompact after the file is unpacked. - Injected API. This demos the use of IsPacked and WaterMark API, coded in Delphi. Solution is to unpack it and patch so it runs unpacked. This was coded for beginners learning so the level is very easy. Text references and the memo box are there to make it easier to understand what needs patched. Delphi decompilers will have no problem with this file. Only anti debug is the standard included from the packer. Try just not patching the watermark to the good cracker jmp as the watermark value could be crucial for other functions of a protected app. …

      • Like
    • 10 replies
    • 13.2k views
  24. CodeExplorer
    UnPackMe (.NET) · Started by CodeExplorer,

    Simple unpackme: Dnguard 3.68 Enterprise Easiest Dnguard unpack me. The purpose is unpacking. SimpleUnpackMe.zip

      • Like
    • 7 replies
    • 9.1k views
  25. Igor
    CrackMe · Started by Igor,

    Language : Assembly Platform : Windows x32/x64 OS Version : Windows 7, 8, 10 Packer / Protector : None Description : Found this one while cleaning my box, can you find the key? Screenshot : Rule : Tell us how you cracked it. Baby Crackme #1.exe

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