Challenge of Reverse Engineering

PATCH IS NOT AN ACCEPTABLE SOLUTION. PATCH IS NOT AN ACCEPTABLE SOLUTION. PATCH IS NOT AN ACCEPTABLE SOLUTION. Difficulty : 5/10 (Professional problem to solve) Language : .NET Platform : Windows OS Version : All Protection : Custom VM + some crypto. Description : Learn something new today! If you already know how to deal with simple Virtual Machines, hopefully the crypto will keep you busy for a while.. However, it's designed to be broken, so better get cracking! Goals : Bronze medal: devirtualize the code. To claim the prize, you must provide human-understandable serial checking code that works exactly the same as original. Short …

Level: 6/10 ? Language : MASM Platform : Windows 32 bit OS Version : Tested on Win10 only, Win 7 and 8 also probably work Packer / Protector : None Description : Mostly simple math algorithms; it includes one relatively small hash part that's mostly isolated, so you can choose to ignore that part and focus on the remainder of the serial. I reckon the number of valid serials will be relatively low. Hopefully I made no big mistakes. Provide a valid pair of name and serial, or better yet write a keygen Good luck. Screenshot : KeyGenMe#1.v1.7z Keygenme template by Ziggy.

Language : . NET Platform : Windows OS Version : Windows 7/Windows 8/Windows 10 Packer / Protector : ILProtector + Enigma Description : Unpack the file and get the password. Screenshot :  Test_protected.rar

Difficulty : 3 Language : Borland Delphi Platform : Windows OS Version : All Packer / Protector : DotNet Reactor v3.0 - v3.2 protected ! Screenshot: Client .exe

Difficulty : 7 Language : Assembler Platform : Windows x32 OS Version : All Windows Packer / Protector : None and No Crypto Description : Rules : No Patch , No Brute.. Only Keygen or Valid Serial... This KeyGen Me is a little hard for non Math Knowers . I think Bruteforce and Self-Keygen is not possible. You must solve the Mat Function to the write a Keygen. i Wish good luck and have fun to solve the KeygenMe Best regards.. Screenshot : s3rh47&x0rz-KeygenMe_new.rar

Language : Delphi Platform : Windows OS Version : Windows 7,8,8.1,10 Packer / Protector : VM Description A Simple CrackMe Solve the missing key. The key is just a number. After you done it, post a simple write-up plz. I upload the file to my github because of the file size. Good Luck XD KungsCrackMe.exe (7.68MB)

HI Language : .NET Platform : Windows x32/x64 OS Version : All Packer / Protector :.NET Crypter / vmprotect (CRC Checking) Description : Unpack, and give a quick tut on how you did it unpackme.rar

Language: .NET Platform: Windows OS Version: All Packer/Protector: VMProtect Ultimate 3.4.0 (Build 1155) Description: Unpack the file and get the password (along with some brief explanation). Would like to see if anyone can have a go at VMProtect's new .NET implementation. Good luck VMP Settings used: Anti-Debugger : User+Kernel Anti-VM: No Protections: Memory + Pack Output Screenshot: VMP3.4.zip

Difficulty: 1 Language : .NET Platform : Windows OS Version : Windows 7 Packer / Protector : Private Description : UnPack + KeyGen Screenshot : PPB_KeyGenMe.rar

Hello everybody Here's a simple unpackme The File is packed with Dotnet Protector last version Enjoy ! EDIT : the new unpackme is attached here Protected.rar

Difficulty : 6-7 Language : C# Platform : Windows OS Version : All Packer / Protector : ConfuserEx Modded Description : Your task is to unpack the file and attach the password and the unpacked file Screenshot : UnpackMe.rar

Difficulty : 6.0 Language : .NET Platform : Windows x32/x64 OS Version : All Packer / Protector : ConfuserEX Custom Description : Unpack, and give a quick tut on how you did it ConfuserEx_UnpackMe.exe

Hello members of Tuts4You Today I bring a crackme + UnPackMe of the obfuscator obfuscator good protection that protects the strings and methods, I use it and I do well Good luck in cracking it and unpack aver if you can;) UnPackMe + CrackMe AppFuscator Free Trial.rar

Language : .NET Platform : Windows OS Version : x64 Packer / Protector : Private Protector Description : Please let me know the entire method to unpack this. Screenshot : UnpackMe.exe

[unpackme] Agile.NET unpack me Agile.NET 6.2.0.16 AgileNETUnpackMe.zip

Language : (C# .Net) Platform : (Windows x32/x64) OS Version : (All) Packer / Protector : (NetGuard.io) Description : Hi everyone, hope one of you friends can finally full unpack netguard and teach us how to unpack this crap protector Screenshot : UnpackMe_protected.exe

Language : .Net Framework 4.0 Platform : Windows x86 OS Version : ( Windows 7 and higher.) Packer / Protector : VMProtect Demo (.NET Support) Description : VMProtect introduce their own .NET solution. This a sample software from their own SDK protected with VMProtect Demo using Ultra (Mutation + Virtualization) Would like to see who and what can be recovered from source and how much of original source can be recovered. Screenshot : Project1.vmp.exe

Language : .NET Platform : Windows OS Version : All Packer / Protector : Modified ConfuserEx + KoiVM Description: I don't expect this to be anything extremly hard to unpack. I would like to see a full detailed explanation of how you unpacked this file and the key. Screenshot: Protected.zip

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

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

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

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

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

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

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