Challenge of Reverse Engineering

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 …

View File SmartAssembly 7 SmartAssembly 7 full encryption options with a few tricky class inside source code. When you enter license key correctly, a messenger with the Success!!! will show. Good luck. Submitter vietnguyen09 Submitted 04/14/2021 Category UnPackMe (.NET)  

Difficulty : 8 Language : VB.NET (.NET) Platform : Windows OS Version : Windows 7, Windows 8, Windows 10 Packer / Protector : Agile.net ( Full Version with Virtualization ) Description : if u click on the "try" button the tool will check if the entered text in the textbox is correct. What u need to do is unpack the tool and get the password. Screenshot : Secured.rar Secured.rar

Difficulty : 3+ Language : .NET Platform : Windows OS Version : Windows 7 and up Packer / Protector : Agile.Net Description : Protect with 90% feature, Good Luck Screenshot : DotNetV0.1.7z

Language : C# .Net Platform : Windows x32/x64 OS Version : All Packer / Protector : Agile.Net v6.6 Description : Hi everyone, hope one of you friends can unpack the target and teach us how to unpack it Screenshot : Secured.rar