Challenge of Reverse Engineering

Difficulty : 4+ Language : Java Platform : Java Support OS Version : All Packer / Protector : Zelix KlassMaster Description : Tutorial Good luck. UnPackMe.zip Screenshot :

Difficulty : ?? ( you tell me ) Language : C++ Platform : Windows OS Version : Windows XP, 7, 8, 10 Packer / Protector : VMProtect Professional 3.0.9 + Custom AntiRE, AntiDebug via Kernel Description : The purpose of this challenge is to find out if unpacking is possible with my additional protection. There is a reward included also if someone can completely unpack it, and provide full tutorial on how to, for that you need to contact me. The application has internal timers set to run some functions for checking the application integrity, one of them is VMProtectIsProtected(). I am not using ExitProcess(0); for quiting/terminating the application, instead I …

Difficulty : 5+ Language : Java Platform : Android OS Version : 4.0.3 and up Packer / Protector : DexProtector 7 CPU : arm/v7/v8, x86/x86_64 Description : Don't patch Good Luck Screenshot : KeyGenMe_v0.1.zip

Difficulty : 6.5/10 not sure you are the judge Language : NET Platform : Windows (Net framework 4.5) OS Version : All version that support Net framework 4.5 Packer / Protector : Appfuscator + Mod Description : Unpack it Screenshot : Unpack MEH.exe

Difficulty : I realy don't know it's protected by a friend Language : .NET Platform : Windows OS Version : All Packer / Protector : Appfuscator Description : Try to crack it Please don't blame me Screenshot : Crack me_Prot.exe

Difficulty : 2-3 Language : Java Platform : Android OS Version : 2.2 and up Packer / Protector : DexGuard Description : Don't patch Best of luck Screenshot : Demo.7z

Here it is an unpackme wioth maximum VMProtect protection. It have also a boxed dll which should be a good and never seen target to unpack. Good luck. VMProtector_2.06_unpackme.rar

Difficulty : i Think it's Difficult !! Language : .NET Platform : Windows x64 , x32 OS Version : All Packer / Protector : DotNetPatcher Modded By Meee Description : You Should Know The Username & Password + tutorial how to unpack it. [!] The file should be runnable after unpacking it [!] Screenshot : UnPack Me By Tiger.zip

Difficulty : 7 Language : .Net Platform : Windows x32 OS Version : All Packer / Protector : Winlicense 2.4.5.0 Description : Just a little project I made for fun Currently looking into investing in a licensing / obfuscation system. Little twist on this one Have fun! Screenshot : CrackMe WL.zip

Difficulty : Unsure, 9? Language : .Net Platform : Windows x32 OS Version : All Packer / Protector : AutoCrypt SL - https://www.softwarekey.com/solutions/ Description : The end goal here is to activate the product. Bypassing the entire activation process is also acceptable obviously lol Screenshot : CrackMe.zip

Difficulty : 3/10 Language : C++ Platform : Windows [coded and tested on Win7 32bit] OS Version : All Packer / Protector : None Description : I coded a keygen_me for my own practice, but I want you people to try and give me few opinions. Like, for a well-skilled programmer/reverser, how easy or hard it is, how much time did it take to solve it, or what ways I could have followed to make a more tricky crackme. I would be very much grateful if anyone tries it and gives me some opinions. It's mainly a keygenme, but cracking is allowed too. If you are well skilled, then you should head for keygenning. There is also an option to see detailed information inside t…

Difficulty : 3-4 ? Language : C# Platform : Windows OS Version : Windows Packer / Protector : Some custom things and some option of my confuserex modded Description : Find the right strings Screenshot : Download : CrackMe.exe

Difficulty : ? Language : Purebasic Platform : Windows OS Version : Windows Packer / Protector : unknown Description : Ok, after a delay i provide a alpha executable by the tool. At start you can see the licence screen. Let me know how you did the bypass and you will get a reward on your PayPal Account. Screenshot (taken from the ini file) : Reward: donation for your PayPal account AiO_LinkCrypterV0.00.8.rar

Difficulty : 7-8 Language : Delphi Platform : Windows x32 OS Version : All Windows Packer / Protector : None and No Crypto Description : Rules : no patch, only working keygen or a valid serial for your name... Good luck Screenshot : x0rz Keygen ME.rar

Difficulty : Don't know Language : .NET Platform : Windows OS Version : All Packer / Protector : skater & My protect coded my me v1 & .Netshrink Description : Here is a test file for unpacking and cracking! It is protected by skater & My protect coded my me v1 & .Netshrink. Test file have 3 level to unpack if you crack mistakely every level program will close! Good luck. Screenshot : UnPackME.rar

Difficulty : 9/10 Language : C++ Platform : (Windows, x32/x64) OS Version : Windows 7,8,10 Packer / Protector : Vmprotect 3.09, Code Virtualizer 2 Description : Hi in this keygenme it reads the hardware data in ring0 but the main program is in ring3. For x64 os you have to enable test mode in order it to run. Here is how: You have to run in cmd: bcdedit /set testsigning on then restart You can disable test mode with: bcdedit /set testsigning off It is the same keygenme 1 protected with Vmprotect and the second with Code Virtualizer. Just want to compare the two protectors to see which is better. If someone make keygen especia…

Difficulty : 4/10 ..? Language : .NET Platform : Windows OS Version : All Packer / Protector : Custom Description : Try to Unpack the file and post the Unpacked file! Screenshot : Download: UnpackMe.exe

Difficulty : 9/10 Language : C# Platform : Windows OS Version : All (Requires .net 4.0) Packer / Protector : Agile.net Description: Unpack the file, clean the code and upload it. 124.7z

Difficulty : 2/10 ? Language : C# Platform : Windows OS Version : All Packer / Protector : Custom ConfuserEX Description : Unpack the file and all recommendations are helpful ! Screenshot: UnpackMe.exe

Difficulty : 8/10Language : .NET C#Platform : Windows x64OS Version : AllPacker / Protector : DNGuard + Themida Description : Get the password. Screenshot : Crackme.zip

Difficulty : 8/10 Language : C# Platform : Windows OS Version : All (Requires .net 4.0) Packer / Protector : Crypto Description: Unpack the file, clean the code and keep the application working. and make a Short Tut for it. ScreenShot: Download Links https://hostr.co/4PgLTKiSB2Ms AntiCrash.rar

Difficulty : ??? ( to be seed ) Language : Java , C++ (shared lib) Platform : Android OS Version : 4.1 or higher Packer / Protector : none VirusTotal : https://www.virustotal.com/it/file/5b8209bda95aae17a54f4c76eca3ae031d06b2ad2c1b3eef419fb71ea637ad94/analysis/1493482420/ Download : app-release.apk 1) What should I not do? This challenge does not require to bypass the password input 2) what should I do? This challenge asks to get the key wherever possible 3) Is the program in question copyright protected? No, you can do what you want 4) The password has…

Difficulty : 7-8. Language : .NET. Platform : Windows, x86. OS Version : Windows, tested on 10 x64. Packer / Protector : Confuser modded. Description : Rules: 1. Keygen only, no patch, no brute. A small mod of Confuser protecting a simple keygenme application. Screenshot : Dickens.KeygenMe.rar

Difficulty : 4/10 Language : .NET Platform : Windows OS Version : All Packer / Protector : ConfuserEx 1.0.0-custom Description : Find out the password and give a tutorial how u got that. Screenshot : Spoiler CrackMe02.exe

Project1_se.rar