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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

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  1. Undebel

    Hi guys, here I bring this CrackMe/UnpackMe protected with CryptoObfuscator 2015 (141219). Enjoy ! CrackMe & UnpackMe by CodeShark - C#.rar

      • Like
    • 12 replies
    • 9.3k views
  2. skypeaful
    KeygenMe · Started by skypeaful,

    Difficulty : 2.0 Language : .NET Platform : Windows OS Version : All Packer / Protector : Appfuscator + CodeFort Description : 1) A valid key 2) A working keygen Good luck Screenshot : kgm2.rar

      • Like
    • 6 replies
    • 6.8k views
  3. CodeEnding
    UnPackMe (.NET) · Started by CodeEnding,

    UnpackMe Confuser 1.7 it Hard & Thank you n0th!ng For sharing How to unpack it UnpackMe_Confuser 1.7.rar

      • Like
    • 24 replies
    • 19.7k views
  4. MrJokerSc
    UnPackMe (.NET) · Started by MrJokerSc,

    Hi I have Simple Unpack Me Use ILProtector You Now ILProtector You Can Do AnyThing With Reflector Watch I Have This When You Unpacked This You Have To Give Me Phote In Relector To See it If He Full Unpacked Or No Like This Full Unpacked Not Put EnterPoint On CompareString And Give Me User Or Pass No I Need Pic Like This Unpack Me.rar

      • Like
    • 10 replies
    • 30.1k views
  5. ιvancιтooz
    UnPackMe (.NET) · Started by ιvancιтooz,

    Enjoy:) Unpack Me CryptoObfuscator 2015 IvancitoOz.rar

  6. SHADOW_UA
    UnPackMe · Started by SHADOW_UA,

    Difficulty : 3 Language : C++ (C++/CLI) Platform : Windows OS Version : XP and above Packer / Protector : Enigma Protector 5 Description : The goal is to eliminate Enigma Protector from this executable and keep it working afterwards. Write a short tutorial. Screenshot : UnpackME.zip

      • Like
    • 4 replies
    • 8.4k views
  7. xSRTsect
    KeygenMe · Started by xSRTsect,

    Difficulty : 1 Language : Java compiled to Dalvik Byte-Code Platform : Android OS Version : API level >=19. Packer / Protector : None Description : This should be the start of a Android reversing series. -> You should code a keygen, preferrably to be able to run inside Android (no self-keygens). Screenshot : Solvers: -> Jasi2169 ->crystalboy dalvik1.zip

      • Like
    • 7 replies
    • 7.4k views
  8. gholam.illidan
    UnPackMe (.NET) · Started by gholam.illidan,

    Difficulty : 8/10 Language : C# Platform : Windows OS Version : All (Requires .net 4.0) Packer / Protector : ConfuserEx Modified by Myself / EnigmaProtector 3.10 Description : Unpack the file, get the string code, clean resources and keep the application working. and make a Short Tut for it. Screenshot : UnpackMe_protected.exe

  9. teehist
    UnPackMe (.NET) · Started by teehist,

    I made a simple program that has the packer "AgileNet" The challenge is to remove this protection and send the code of "MainForm" or "Form1" in his case. If you can meet the requirements below. What program used to unpacker? Level of difficulty? Scan 3/57: https://www.virustotal.com/pt/file/e6b3d3d176e72a5746c692f94749bd760ac46730ce7dcd04c0e62b3ab150bef4/analysis/1422818674/ Scan of file without AgileNet 0/57: https://www.virustotal.com/pt/file/45588b05ae940e7d321be6a8622a2d4555eca9f3e424d05e2107c65b80da9fba/analysis/1422818773/ I believe that the virus scan with the accused AgileNet is caused by the very packer. Please read, Viruses accused really …

      • Like
    • 10 replies
    • 10.5k views
  10. HMX0101
    KeygenMe · Started by HMX0101,

    Alive Just another crypto keygenme and delphi ****. Only valid solution is a keygen. Luck, HMX0101 // 10-04-2011 alivekgme-hmx.rar

      • Like
    • 17 replies
    • 13.5k views
    SmilingWolf
    SmilingWolf
  11. Reasen
    CrackMe · Started by Reasen,

    Difficulty : above 5 Language : Delphi XE8 Platform : Windows x86/x64 OS Version : XP and above Packer / Protector : None Description : Improved version of my previous CrackMe, LostIt resolved the CrackMe adding a new section in the executable that redirects the address from where bytes of the functions are read to be able to edit the original function, now for creating the itself-key for decrypting those 2 variables (cracked or not cracked), is needed the pointer address from where it comes, also the function from where checks itself are itself checked to make the key, so his method is no longer valid, good luck to all and have fun! The objetive of this Cr…

      • Like
    • 7 replies
    • 8.3k views
  12. bomblader
    UnPackMe · Started by bomblader,

    Here you go... have fun! You can use it like this: name.pyc <password> dec.rar

      • Like
    • 14 replies
    • 15.2k views
    Extreme Coders
    Extreme Coders
  13. skypeaful
    KeygenMe · Started by skypeaful,

    Difficulty : You rank Language : .NET Platform : Windows OS Version : All Packer / Protector : SmartAssembly + Sixxpack Description : 1) A valid key for your HWID 2) A working keygen Good luck Screenshot : Keygenme_.rar

      • Like
    • 3 replies
    • 6.4k views
  14. Modify
    UnPackMe (.NET) · Started by Modify,

    Difficulty : 3 Language : .NET Platform : Windows OS Version : Windows 7 Packer / Protector : Ultra Multiple v1.0 Description : UnPack, crack Good Luck Screenshot : UnPackMe.7z

      • Like
    • 1 reply
    • 7.2k views
  15. Modify
    UnPackMe · Started by Modify,

    Difficulty : 3 Language : Borland Platform : Windows OS Version : Windows 7 Packer / Protector : Confuser, DNP Method Description : Hi, Don't trust public version packer finder. Good Luck thanks Screenshot : Demo.7z

      • Like
    • 8 replies
    • 7.5k views
  16. HAMID
    UnPackMe (.NET) · Started by HAMID,

    Difficulty : Very HardLanguage : .NETPlatform : Windows 32 bit OS Version : Windows 7Packer / Protector : Ben Mhenni Protector v5.0 Modified Description : Make a tutorial. Screenshot : UnpackMe - Ben Mhenni Protector v5.0.rar

  17. Modify
    UnPackMe (.NET) · Started by Modify,

    Difficulty : 3 Language : .NET Platform : Windows OS Version : Windows 7 Packer / Protector : Multiple 1.0 Description : 1. Unpack 2. Remove SHA256 file check 3. And crack get key Note : You click Activate button show error "Index was outside the bounds of the array, this is file check protection I'm change this file after show this error, Remove this error : unpack and remove SHA256 File Check Screenshot : UnPackMe.7z

      • Like
    • 7 replies
    • 11.6k views
  18. Modify
    UnPackMe · Started by Modify,

    Difficulty : 4 and up Language : Borland Platform : Windows x86 OS Version : Windows Xp and up Packer / Protector : Enigma 5.xx latest version Description : UnPackMe and CrackMe I'm not share full version protect, this is protect with demo with all advance options. Good Luck Thanks Screenshot : Demo.7z License.reg

      • Like
    • 1 reply
    • 16.3k views
  19. Jasi2169
    CrackMe · Started by Jasi2169,

    - Make It Registered - Provide tut How You Did It with crack.exe - No Rules Do Whatever You Want unpackncrack.rar

      • Like
    • 12 replies
    • 10.5k views
  20. Modify
    UnPackMe · Started by Modify,

    Difficulty : 1 Language : Borland Platform : Windows OS Version : Windows 7 Packer / Protector : Private Exe Protector 5.0.1.0 Demo Description : 1. Unpack and crack. 2. Remove nag please tell me. Screenshot : UnPackMe.7z

      • Like
    • 8 replies
    • 12k views
  21. Modify
    UnPackMe · Started by Modify,

    Difficulty : 3 I'm not decide Language : AutoIt3 Platform : Windows 32 bit OS Version : Windows 7 Packer / Protector : Unknown + modify Description : Don't patch. Welcome tutorial. Screenshot : UnPackMe.7z

      • Like
    • 1 reply
    • 14.4k views
  22. Modify
    UnPackMe · Started by Modify,

    Difficulty : 5 Language : Borland Platform : Windows OS Version : Windows 7 Packer / Protector : Themida 2.3.2.0, Enigma 3.80 Description : Simple modify section, import table Screenshot : UnPackMeDemo.7z

      • Like
    • 4 replies
    • 15.1k views
  23. cawk
    UnPackMe (.NET) · Started by cawk,

    Difficulty : 2/3 Language : C# Platform : Windows OS Version : All Packer / Protector : ConfuserEx/DNP Description : Unpack the file and keep the application working. The serial is easy to get - if you get it - well done though it is not the main objective of this unpackme. Screenshot : https://gyazo.com/6f8ece6347515a4c68846b6f55902821 CrackMe.rar

      • Like
    • 7 replies
    • 9.9k views
  24. Holy
    KeygenMe · Started by Holy,

    Difficulty : 5 Language : C++ Platform : Windows x86/x64 OS Version : Windows 7 Packer / Protector : Custom VM Description: Goals: Write a valid keygen for the target Screenshot : Guindous_potato_edition.zip

    • 3 replies
    • 4.8k views
  25. 0xNOP
    CrackMe · Started by 0xNOP,

    Difficulty : (6 1/2) Language : (C++Builder XE8) Platform : (Windows x86) OS Version : (Windows XP & Above) Packer / Protector : (Custom VM) Description : This is my second CrackMe, the first one being developed in PureBasic, which it has many cool shenanigans but moved onto C++ now to deliver a different taste Hopefully this will leave a mark when analyzing this CrackMe The idea of this crackme is to analyze the VM and understand how it works, it will ultimately take you to where you want to go. Objective : Patch to Good Boy or Fish the Serial. Wish you the best of luck Screenshot : League of the Extraordinary Pr…

      • Like
    • 6 replies
    • 7.6k views

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