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Challenge of Reverse Engineering

Try a challenge or contribute your own, any platform or operating system...

The creation of new topics is disabled in these subforum categories.

Please create and post your new challenges in the appropriate subcategory of Downloads > Challenge of Reverse Engineering

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  1. boot

    Armadillo x64 v9.64 (General/Default Protection Options) Unpackme - Armadillo x64 v9.64 | WwW.Tuts4You.CoM General/Default Protection Options = HWID Lock + etc... If you can unpack it, please make a tutorial... The compressed package includes a simple MP4 display, please pay attention to check... HWID:87DF-0E78 NAME:boot KEY:000016-M9KY7Y-1PM436-8JKH7H-G8QXCH-3ACEGN-Y5ND6B-TY4VJ2-5FX1WY-WGJBFB After seeing the dynamic screen, please click the LEFT MOUSE button to exit OR press the "ESC" button once to exit. Created by boot / From Tuts4you 2023.06.19 File Information Submitter boot …

  2. Teddy Rogers
    UnPackMe · Started by Teddy Rogers,

    PC Guard 5.0.1.580 DEMO PC_Guard_5.0.1.580_DEMO.rar If anyone is interested in this they will have to post their site code here and I'll generate an activation code... Ted.

    • 20 replies
    • 24.3k views
  3. whoknows
    UnPackMe (.NET) · Started by whoknows,

    VMProtect v3.6 Hi all, This is a protected with the RETAIL edition... Mutation / Virtualization w/ the built in VMProtect license system. There are 2 enter serial dialogs, once you solve the 1st, drives you to 2nd, when a valid serial entered exporting a file... If a valid serial entered on 1st form, is saved to license.diz file. File Information Submitter whoknows Submitted 06/24/2022 Category UnPackMe (.NET) View File

  4. whoknows
    UnPackMe (.NET) · Started by whoknows,

    VMProtect v3.4.0.1155 Try to unpack or alternatively provide a serial. If there is no solution provided by Saturday 11am (GMT+0) I will attach the same without debugger detection. Protections used: Debugger detection (User-mode + Kernel-mode) Ultra (Mutation + Virtualization) Disabled protections: Virtual Machine Packer File Information Submitter whoknows Submitted 05/19/2020 Category UnPackMe (.NET) View File

  5. jameswoods
    CrackMe · Started by jameswoods,

    Language : Golang Platform : Windows x86 OS Version : Tested on Windows 10 / Windows 7 Packer / Protector : UPX Description : This is a very simple crack me coded in Go. It is packed with UPX (unmodified) only to shrink the size of the binary. Screenshot : Scan Results : Packed: https://www.virustotal.com/gui/file/d2194772a522b19fdd08d78fb5aaf7a9d1cd856978445e163429819ef273452b/detection Unpacked: https://www.virustotal.com/gui/file/79e746354ad7bf267e9d03660c24eeed49df79d801a453c67c7416b069a3fc6d/detection CrackMe.exe

      • Like
      • Thanks
    • 7 replies
    • 16.9k views
  6. InvizCustos
    KeygenMe · Started by InvizCustos,

    WinLicense 3.1.4.32 A simple console application that displays the HWID and asks you to enter an "activation key" for it. Key format: xxxxxxxx-xxxxxxxx-xxxxxxxx-xxxxxxxx-xxxxxxxx-xxxxxxxx-xxxxxxxx-xxxxxxxx-xxxxxxxx-xxxxxxxx The solution will be a description of the algorithm to generate an activation key for any HWID value (there is no need to write code). P. S. Archive password: 123 File Information Submitter InvizCustos Submitted 04/06/2023 Category KeygenMe View File

    • 0 replies
    • 4.9k views
  7. whoknows
    CrackMe · Started by whoknows,

    Language : C# frm4 Platform : Windows x86 OS Version : Windows 7+ Packer / Protector : Eazfuscator.NET 2019.1 w/ Virtualization + the new Homomorphic encryption Description : Find the way & explain how ggggg.rar -------- update :: 07/06/2019 I got a PM by @cawk, he successfully unpacked it + deobed..... - success 10/10 -- Eazfuscator.NET v2020.3 Language : C# frm4 Platform : Windows x86 OS Version : Windows 7+ Packer / Protector : Eazfuscator.NET v2020.3 w/ Virtualization https://www36.zippyshare.com/v/L51Y2Jfr/file.html upload not working so posted here till fixed!

  8. nProtect
    UnPackMe · Started by nProtect,

    Hi all, This file is compiled with Visual Studio 2010 (C++ Language) and protect one with VM_START/VM_END. New themida version have new VM system so I have use FISH32 White VM to protect this file ThemidaTest.rar

  9. RDGMax
    CrackMe · Started by RDGMax,

    RDG EnableMe 2022 RDG Enable Me 2022 vb6 password:crackme Difficulty 3 / 10 Compiler: Microsoft Visual Basic v6.0 Anti Tracing:No Anti Debugger: No Anti Newby: Si Obfuscated: Si (RDG vb6 Obfuscator) Anti Virtual Machine: No Anti SandBox: No Harmful Payload: NO! Internet Validation: No CRC on Disk: No CRC en Memory: No Admin Required: No Support Windows XP to Windows 11 Goal: Enable button and get Congratulations Message rdgmax@gmail.com rdgmax@rdgsoft.net www.rdgsoft.net File Information Submitter RDGMax Submitted 09/04/2022 Category …

    CodeExplorer
    CodeExplorer
  10. GIV

    Hope Ellvis does not mind but i found this quite interesting. Hope you lie-it. I already make a simple solution but i want to let you try. If you made-it post here the solution also. Crackme.rar Script.rar

    • 7 replies
    • 6.6k views
  11. CodeExplorer
    UnPackMe · Started by CodeExplorer,

    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

      • Thanks
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    • 5 replies
    • 14.9k views
  12. smnyabc

    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

  13. estelle
    UnPackMe · Started by estelle,

    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…

  14. CodeNatif
    UnPackMe (.NET) · Started by CodeNatif,

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

      • Like
    • 11 replies
    • 19.7k views
  15. learningit25
    UnPackMe (.NET) · Started by learningit25,

    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. File Information Submitter learningit25 Submitted 04/30/2021 Category UnPackMe (.NET) View File

  16. OnlyMe
    KeygenMe · Started by OnlyMe,

    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

  17. 0x777h
    CrackMe · Started by 0x777h,

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

  18. zodiac
    UnPackMe (.NET) · Started by zodiac,

    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

  19. 0x777h
    CrackMe · Started by 0x777h,

    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 File Information Submitter 0x777h Submitted 10/25/2022 Category CrackMe View File

  20. 0xNOP
    UnPackMe (.NET) · Started by 0xNOP,

    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

      • Like
    • 11 replies
    • 10.9k views
  21. Benten
    KeygenMe · Started by Benten,

    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. Update: Added my initial code that barely works. Please let me have your suggestions to improve the code. File Information Submitter Benten Submitted 11/14/2022 Category KeygenMe View File

  22. DarkShadow
    UnPackMe (.NET) · Started by DarkShadow,

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

  23. RockStar
    UnPackMe (.NET) · Started by RockStar,

    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

  24. Athena
    UnPackMe (.NET) · Started by Athena,

    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. File Information Submitter Athena Submitted 06/19/2022 Category UnPackMe (.NET) View File

  25. Reasen
    UnPackMe · Started by Reasen,

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

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