Challenge of Reverse Engineering

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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. …

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

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

Difficulty : 7/10 Language : C# Platform : Windows Packer / Protector : ConfuserEx mod + Extra antidebug and antiattach protection NetCrackMe.rar

Difficulty : 3 Language : C# (.NET) Platform : Windows x32/x64 OS Version : Windows 7/8/10 Packer / Protector : AntiSkid (own) Description : get the password. Screenshot : CrackMe-antiskid.exe

Language : .NET Platform : Windows x64 OS Version : All Packer / Protector : Modified ConfuserEx Description : This is a heavily modified version of ConfuserEx, mostly custom, some copied from other obfuscators seen in the wild. I believe this to be difficult to reverse to some extent, but definitely not even close to impossible. (Also ignore old Discord ID added I changed accounts a while ago.) Also, please document how you were able to reverse it, and post the serial key. Thank you! Screenshot : Download: CrackMeO.exe

Language : . NET Platform : Windows OS Version : Windows 7 Packer / Protector : ArmDot Description : Devirtulize the Armdot virtualized code (I used virtualized option + encrypted strings). Screenshot : UnpackMe.protected.exe

Difficulty : 3 Language : C# (.NET) Platform : Windows x32/x64 OS Version : Windows 7/8/10 Packer / Protector : None [just sum anti-skid stuff] Description : get the password Screenshot : Download: CrackMe.exe

Language : .NET Platform : Windows x86 OS Version : All Packer / Protector : ConfuserEx Modded Description : Can you see the code? UnPackMe.exe

Difficulty : IDK Language : C# Platform : Windows OS Version : All Windows Packer / Protector : Night Protector 2.0 (My own protector) Description : Unpack-me and clean the code, and give a Difficulty! Screenshot : Click to download crackme!

Language: .NET Platform: Windows x32/x64 OS Version: Tested on Windows 10, with .NET 4.6.2 Packer / Protector: WinterStorm 0.1 (Personal Project) Description: Here is a project I've been working on for the last 6 months. It's a follow-up to my previous DynamicMethod attempts. This time I also included some simple JIT hooking. Everything here was written by myself, except a helper class for loading dlls from memory. I hope you'll find it entertaining. I can't wait to hear your thoughts. This is (arguably) the best iteration of the popular game, MineSweeper. Unfortunately, it's a demo, and it only allows for 5 moves. In order to keep playing you have …