Challenge of Reverse Engineering

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

View File Eazfuscator v2021.2 +virtualization +control flow obfuscation +resource encryption +module initializer +symbol names Unpack and / or provide a valid serial. Submitter whoknows Submitted 07/29/2021 Category UnPackMe (.NET)  

Hi..just take a look to the crackme and try to solve it.. if you success with it..,upload and if possible , make a documentation for it.. Protector : .NET Reactor 4.7.0.0 [Demo Version] Protection Preset : Application Strongest NecroBit Native EXE File Pre-JIT Methods Anti ILDASM Obfuscation Anti Tampering String Encryption Compress & Encrypt Resources Control Flow Obfuscation Level 9 CrackMe.zip

View File ArmDot 2022.6.0 Unpack the exe to find the key! If you would give a brief explanation on how you unpacked it. The exe has max protections and will pop up a messagebox once you enter the correct password. Protections added to this: Hide String, Control Flow, Obfuscate Name, Obfuscate NameSpaces, Virtualize code. Submitter nova789 Submitted 06/22/2022 Category UnPackMe (.NET)  

View File Simple C++/CLI Crackme x64bit Your goal is to crack the file and make a tutorial and/ or write instructions about the steps done by you. What is C++/CLI? C++/CLI is C++ support .NET framework to make managed application run on .NET framework. https://en.wikipedia.org/wiki/C%2B%2B/CLI Feel free to post your solutions. Submitter SuperJackAbcd Submitted 01/26/2022 Category CrackMe  

View File My first easy CrackMe Hi guys , i write a very simple crack me , i really do not know how i should secure my code just write a very basic one . anyway i know it's very easy but still wanted to know other peoples opinion. if it did not run please let me know , i did not use any packer , or protector , just my own code , and it's written in C++ with visual studio 2019 on windows 10. Submitter: m0rfl1ng Category: CrackMe Virus Total Scan Submitter m0rfl1ng Submitted 11/28/2020 Category …