Challenge of Reverse Engineering

Language : Visual C++ 6.0 Platform : Windows x32 OS Version : Windows All Packer / Protector : PELock Demo v2.09 Description : This is just one of my program protected. The objective is unpack it. FolderCompare_prot.zip

patch HWID and unpackme The Enigma Protector 4.20[single] patch HWID and unpackme password:unpackme enigma 4.2 patch HWID and unpackmeSingle.rar There is not packed.rar

Language : C++ Platform : Windows OS Version : Windows 10 Packer / Protector : Themida 3.0.3.0 Description : Looks like Oreans just dropped Themida 3. They've been working on the beta version for more than a year and just announced the initial release, so I'm praying I don't get my personal license revoked :^( Strings are (supposedly) virtualized then encrypted. The main protection is starting at VM_DOLPHIN_RED, though other VMs can be requested. Unpack/devirtualize the file. Screenshot :  Themida Crackme_protected.exe

WinLicense - Professional Software Protection and Licensing Management [Version 2.1.1.0] Protection Options for Software: wl (Input File: UnPackMe.exe) ---------------------------------- Macros Information ------------------ VM Macros: 0 CodeReplace Macros: 0 ENCRYPT Macros: 0 CLEAR Macros: 0 RegisteredVM Macros: 0 CHECK_PROTECTION Macros: 0 CHECK_CODE_INTEGRITY Macros: 0 CHECK_REGISTRATION Macros: 0 CHECK_VIRTUAL_PC Macros: 0 Protection Options ------------------ Anti-Debugger: Advanced Anti-Dumpers: ENABLED Entry Point Obfuscation: ENABLED Resource Encryption: ENABLED VMWare compatible: ENABLED API-Wrapping Level: Level 2 Anti-Patching: None Metamorph Security: ENABLED…

Only obfuscated with ConfuserEX. The objective is to unpack and crack the file. CrackMe - ConfuserEX.rar

View File NETProtect.IO v2.0.0 This unpackme was protected using NETProtect.IO using protection options shown in the screenshot. Nice to meet guys in forum. Submitter learningit25 Submitted 04/30/2021 Category UnPackMe (.NET)  

Language : Python 2.x Platform : Windows x64/x86 OS Version : Windows (I'm not testing other platforms) Packer / Protector : UPX / PyInstaller Description : Hello, it is my first keygenme. I don't know other programming language because of I had been written with Python. I think of it is easy. Screenshot :  main.exe

View File Users Desktop CrackMe #2 This is the beta version of vxlang ! The purpose of this is to find an encrypted string. Thank you. Submitter 0x777h Submitted 12/02/2022 Category CrackMe  

Difficulty : 5 Language : .NET C# Platform : Windows .x32/x64 OS Version : All Windows Packer / Protector : DotNetPatcher 4.5.9 (last Version) Description : max Protaction. note Method and tutorial how to unpack it. The file should be runnable after unpacking it Screenshot : unpackme.zip

View File Users Desktop CrackMe #1 This is a demo of the packer. Demo is to find a password. (used simple anti-debugging and code-virtualization.) Thank you Submitter 0x777h Submitted 10/25/2022 Category CrackMe  

View File 0x7 Protector (Beta) I would like you to test the obfuscator I am still working on developing. The goal is to unpack the file and provide your unpacking method. https://www.virustotal.com/gui/file/965c96b4e7a431635ab9f450cb89784791aec2eec27a204e195dece2fcce5f36?nocache=1 Submitter Inx Submitted 11/11/2022 Category UnPackMe (.NET)  

Difficulty: 6/10 (Has max/all settings enabled) Language: .Net/C# Platform: Windows OS Version: All Packer/Protector: ConfuserEX Mod (Bed's Protector) Description: Unpack the tool and enter the correct string to display the messagebox. If you are successful I would like to know how you did it exactly, if you don't mind. Screenshot: UnpackMe.exe

Difficulty : 4.5 Language : .NET Platform : Windows IA-32, IA x86-x64 OS Version : All Windows (Must have at least .NET Framework 4.5+ to run!) Packer / Protector : NOPFuscator v2.0 Description : Nothing much from my end, just sitting here and waiting til someone can break into this new entry :"D - Just Unpack, if you feel adventurous enough to Crack it, Go ahead Hope Ya'll have fun with it since I posted this in the UnPackme's Area, an entry will be taken as solution when the program is completely deobfuscated, as the cracking part is only optional. Screenshot : crackmetonki.exe

View File Brute-Force Polynomial for Coefficients. Here is a keygen challenge I got recently. This one requires to find the coefficients of a 26th degree polynomial that sums up to a specific value. A valid serial is also provided. The challenge is to code a keygen with least / reasonable time complexity without patching anything. Updated author's solution, working sample code that needs improvements. Submitter Benten Submitted 11/14/2022 Category KeygenMe Vali…

View File NiggaEX Unpack and provide a overview of how you did it and what tools were used. Submitter DarkShadow Submitted 02/13/2022 Category UnPackMe (.NET)  

Language : .NET Platform : Windows OS Version : x64 Packer / Protector : Phoenix + Beds + ILprotector + Enigma (ILprotector + Enigma + Beds = Paid + Newest Versions) Description : Let us know how it was done! Sorry Mods For File Size (Enigma Seems To Increase The File Size No Matter What As Well As IlProtector I can Show Proof And Protect In front If Need Be) Screenshot : Download File: Download Unpack_Me.rar

View File Olivia Guard v1.3 The file is protected with Olivia Guard v1.3. The protection in currently in beta, it's not completed yet. Goal : Unpack the file and provide details of the methods you used to bypass the protection. Submitter Athena Submitted 06/19/2022 Category UnPackMe (.NET)  

Simple Unpackme maded by Safengine Shielden v2.3.7.0 Options: Default Target file: Delphi 7 Good luck. UnpackMe_Safengine.rar

View File Experimental JIT I've been playing with jit recently and have created this crack me, try to find the correct key or unpack. Submitter BataBo Submitted 09/10/2021 Category UnPackMe (.NET)  

View File Oceans Winlicense v3.1.2 File protected by Winlicense, asking for registration code, when valid inserted a small game appears. Purpose is to dump the .net code of this game, Submitter whoknows Submitted 09/06/2022 Category UnPackMe (.NET)  

Language : C# Platforms : Windows Packer/obfuscator : EazFuscator 2019.1 Description : Hi everyone, hope one of you friends can unpack the target and teach us how to unpack it Screenshot : Virustotal : https://www.virustotal.com/gui/file/c55f28ff985269defec68e58287b45b7fde932003358e5faad51210ce3ab4421/detection Download : Crackme.exe

View File RDG Crackme 2022 Hello my friends. here a new crackme! RDG Crackme 2022 vb6 Level 7 / 10 Compiled: Microsoft Visual Basic v6.0 Anti Tracing: Yes Anti Debugger: Yes (Of Course) Anti Newby: yes Obfuscated: Yes (RDG vb6 Obfuscator) Anti Virtual Machine: Yes Anti SandBox: Yes Malicious payload: NO! Internet Validation: Yes CRC On Disk: Yes CRC On Memory: NO Admin Required: Yes Support Windows XP to Windows 11 Goal: Get Activation Code x 2 rdgmax@gmail.com rdgmax@rdgsoft.net www.rdgsoft.net http://rdgsoft.net/downloads/Crackme_2022/RDG_Crackme_2022.rar thanks a lot! …

View File [ CyberLock ] License System CrackMe Challenge Hi, This is a simple crack me challenge protected by my own crafted packer, I don't know how hard is to break it but I assure you it's a good challenge. Challenges Pro Mode : Break the license checking system and find the key, activate the program, It will give you a quote of a famous philosopher, post a screenshot from it here, Share your solution if possible. God Mode : Crack the license checking system and patch it to accept any key as a valid key, Share the cracked file. Share your solution if possible. If you need hint and more details about protector v…

View File Plain This is a little past time project I have been working on, here I put an interesting spin to conventional c# obfuscation. Try to unpack this file or at least keygen it. Submitter BataBo Submitted 08/05/2022 Category KeygenMe  

Difficulty : 5 (Unsure) Language : . NET Platform : Windows OS Version : Windows 10 Packer / Protector : Eazfuscator.NET 2018.4 + Themida + Custom (somewhat) "Anti Debug" Description : Unpack the file and upload the unpacked file + a tutorial on how to unpack it, if possible. Screenshot :  CrackMe.exe