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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

A topic will then automagically be created and posted in these forums...

  1. chickenbutt
    UnPackMe · Started by chickenbutt,

    Difficulty: 3 Language: PureBASIC Platform: Windows 32bit OS Version: XP/Vista/7/8/8.1/10 Packer/Protector: ASProtect 32 2.78 Description: This is considered the easiest protector to unpack with a VM. I only seen 2.5x unpackmes around the net and most of the links were dead, so I made a new one. One binary has just protections, and the other also has license features minus hardware-lock. I couldn't get the API file to generate HWID and use SDK for it and didn't want to try and keygen a HWID. License version has keygen and password features. Tip for inexperienced MUP people: Unpacks divided to the obvious sections with stolen OEP, import relay…

  2. BlackHat
    CrackMe · Started by BlackHat,

    Xamarin C# CrackMe Platform / Language : Xamarin C# Protection : None VirusTotal : 1/66 https://www.virustotal.com/gui/file/13d14a2db54658099291e80ab57650770ee4f8f4978f18e1c1e8888600807429 Your goal is to Crack the File and make a Tutorial or Write Instructions about the Steps done by you. What is Xamarin? Xamarin is an open-source platform for building modern and performant applications for iOS, Android, and Windows with .NET. Xamarin is an abstraction layer that manages communication of shared code with underlying platform code. Xamarin runs in a managed environment that provides conveniences such as memory allocation and garbage collec…

      • Like
    • 4 replies
    • 6.8k views
  3. BlackHat
    UnPackMe (.NET) · Started by BlackHat,

    SecureVM This file is protected with SecureVM - a new VM to protect your code (based on CawkVM modification). You have to completely unpack the code in order to pass this challenge. Make sure your unpacked file should be able to run. File Information Submitter BlackHat Submitted 09/06/2021 Category UnPackMe (.NET) View File

  4. Josman
    UnPackMe · Started by Josman,

    Python CrackMe - FunnyProtector This is an python unpackme for testing my private python obfuscator You have to unpack it ! Good Luck File Information Submitter Josman Submitted 10/10/2020 Category UnPackMe View File

      • Like
    • 3 replies
    • 7.5k views
  5. detpet
    UnPackMe (.NET) · Started by detpet,

    Difficulty : 3 Language : .NET Platform : Windows x32/x64 OS Version : Windows 7+ Packer / Protector : ConfuserEx Modified Description : Unpack and provide a quick overview of how you did it and what tools were used CrackMe0.exe Screenshot :

  6. iNoob
    UnPackMe · Started by iNoob,

    Difficulty : 5 Language : C++ Platform : Windows OS Version : All Packer / Protector : Unknown Description : An EXE is compressed with an unknown packer. Unpack the EXE. Screenshot : Download : iNoobUnpackMe.zip

  7. LCF-AT
    UnPackMe · Started by LCF-AT,

    Hello, so I have created & protected a new UnpackMe for you. I added also some detect stuff [medium level]. Just start the exe file and press the splash. Have fun again. ENIGMA 2.33 UnpackMe.rar

  8. Leopar36
    UnPackMe (.NET) · Started by Leopar36,

    ByTanimsiz Protector VM Try to devirt. File Information Submitter Leopar36 Submitted 07/16/2021 Category UnPackMe (.NET) View File

    • 0 replies
    • 6k views
  9. 0x29A
    UnPackMe (.NET) · Started by 0x29A,

    KoiVM Modded + CFEX Modded KoiVM + CFEX Good luck! File Information Submitter 0x29A Submitted 03/26/2021 Category UnPackMe (.NET) View File

    • 2 replies
    • 6.7k views
  10. GIV
    UnPackMe · Started by GIV,

    Difficulty : 3 Language : Borland Platform : Windows X86 OS Version : XP and higher Packer / Protector : Enigma Protector 5.1 Description : Small unpackme. Is in fact a crackme that i have fund on the www and apply a Enigma protector layer. So the goal is to unpack. IMHO is not hard at all. So i give you a valid combo of HWID/name/key: HWID: 58603-7C96E-050B3-811FC NAME: giv@reversing.ro Key: KWFM62F-NMH8E94-BH2C98E-FDDEQHG-VK88BVD-PRXLNZA-FM6TWL7-U6NNJGL-3K5CMQY-BSXJM8W-LZ2NYTL-QWXQ69F-XBDPTNY-GWSNX2M-YTKJV9E-YHRWUPQ The file have a password too witch is very easy to bypass. Good luck! Screenshot : Crack Auth_Protected…

  11. Nope
    CrackMe · Started by Nope,

    VMProtect 3.4 & Custom OB Vmprotect 3.4 & Custom OB Vmprotect anti debug and VM protect is disabled Find the way & explain how File Information Submitter Nope Submitted 07/15/2021 Category CrackMe View File

  12. Leopar36
    UnPackMe (.NET) · Started by Leopar36,

    ByTanimsizVM Obfuscator v2.0 Try to unpack or alternatively provide a serial. File Information Submitter Leopar36 Submitted 03/11/2021 Category UnPackMe (.NET) View File

  13. Magi
    UnPackMe (.NET) · Started by Magi,

    Language : .NET Platform : Windows OS Version : All Packer / Protector : DNGuard 3.8.4.0 - Enterprise Description : Unpack this file it is DNGuard HVM. Screenshot : CM.rar

      • Like
      • Thanks
    • 14 replies
    • 22.9k views
  14. CursedLand
    UnPackMe (.NET) · Started by CursedLand,

    ILVirtualization (Custom Scratch VM) PLEASE NOTE THIS NOT MODDED PUBLIC VM, THANKS Difficulty : 4/10 Language : C# / .NET Windows OS Version : All Protection : ILVirtualization v1.0 Goals: Silver Medal: Clean Mutations. Gold Medal: Devirtualize The Code. File Information Submitter CursedLand Submitted 06/28/2021 Category UnPackMe (.NET) View File

      • Like
    • 2 replies
    • 6.7k views
  15. BlackHat
    UnPackMe (.NET) · Started by BlackHat,

    DumpMe / DebugMe Hi, This Unpackme is Protected by Poe with an Anti-Dump / Anti-Debug Method. Your Job is to find the Password either by Dumping or Debugging It. Bronze - Find the Password either by Debugging or Dumping Silver - Complete Unpack the File. Gold - A Full Description + Silver Download from Attachment or from File Section. Hybrid Analysis - https://www.hybrid-analysis.com/sample/2bc04a9242f385308d2425ba10966bc41b12646676fccd121144170abe01f0bf/60c16b6ab0565951c6619493 Virustotal - https://www.virustotal.com/gui/file/2bc04a9242f385308d2425ba10966bc41b12646676fccd121144170abe01f0bf/detection Wannabe1337_DumpMe.exe …

      • Thanks
      • Like
    • 2 replies
    • 10.1k views
  16. BlackHat
    UnPackMe (.NET) · Started by BlackHat,

    NETGuard.IO Code Protector (26/05/2021) Unpack this File Properly. Change the Message. This File Use MSIL Code Encryption + Code Flow Protection Only. Bronze Medal - Partially Unpack + Change the Message Silver Medal - Fully Clean Code + A Brief Writeup Gold Medal - Fully Clean Code + A Complete Writeup of the Unpacking Process including Tool Link (if any Used Specifically) File Information Submitter BlackHat Submitted 05/26/2021 Category UnPackMe (.NET) View File

      • Like
    • 4 replies
    • 5.9k views
  17. RDGMax
    CrackMe · Started by RDGMax,

    Difficulty : 5/10Language : VB6 [Inmortal] Platform : Windows 32/64OS Version : All windowsPacker / Protector : None Description : 1) Try to get a Valid serial for your ID 2) Patch :/ (for good work Message) Anti Debug: 5/10 Anti Decompile: 3/10 Anti Tracing: 5/10 Anti Dump: 2/10 Anti Dump: 2/10 Extra: 8/10 Screenshot : Thanks RDG_Crackme_vb6_v0.1_2016.rar

    • 9 replies
    • 9.7k views
  18. Gladiator
    UnPackMe · Started by Gladiator,

    Hi Attached file is simple VB6 File was protected with PeP latest Version so please try to unpack and then identify the way you used to beak it's protection. Thanks PeP_5.rar

      • Like
    • 9 replies
    • 9.4k views
  19. Modify
    UnPackMe (.NET) · Started by Modify,

    Language : C# Platform : Windows OS Version : Windows 7 Above Packer / Protector : ConfuserEx Plus Extra Description : Provide key, how? UnPackMe.7z

      • Like
    • 4 replies
    • 10.1k views
  20. Asentrix
    CrackMe · Started by Asentrix,

    Fu*ckuscator v1.1 Brand new obfuscator on the market. I've already completed this crackme but wanted to see what you guys come up with. Good luck! File Information Submitter Asentrix Submitted 12/28/2020 Category CrackMe View File

      • Like
    • 5 replies
    • 13.8k views
    ProjectTrauma
    ProjectTrauma
  21. DanielTG
    UnPackMe (.NET) · Started by DanielTG,

    DiamondVM This is a c# file protected with DiamondVM, a KoiVM mod which is really good. No OldRob will desvirtualize it. File Information Submitter DanielTG Submitted 03/19/2021 Category UnPackMe (.NET) View File

      • Sad
      • Like
      • Haha
      • Thanks
    • 1 reply
    • 15.2k views
  22. Cursedzx
    UnPackMe (.NET) · Started by Cursedzx,

    Difficulty : Probably 8 Language : C# .NET Platform : Windows (anyCPU) OS Version : Windows 7 Above Packer / Protector : CursedSheepMod (Modded Conf + VM) Description : Upload the Unpacked file and Give me a detailed tutorial. like... tell me the specific method or specific tools you used in order. as i said in the previous unpack challenges XD. you know the rest. ConsoleApplication3.exe

    • 1 reply
    • 6.6k views
  23. CodeOfDark
    CrackMe · Started by CodeOfDark,

    Difficulty : 2-3 Language : .NET Platform : Windows OS Version : Windows7+ Packer / Protector : PandaObfuscator (Modded Confuser) with Custom VM Description : Just basic UnpackMe, want to see if my obfuscator good/bad Screenshot : GetMe.7z

      • Like
      • Haha
    • 8 replies
    • 11.3k views
  24. johnfkingzton
    KeygenMe · Started by johnfkingzton,

    Simple KeygenMe 02 Provide a valid serial and User ID or make a keygen. Good Luck. File Information Submitter johnfkingzton Submitted 03/11/2021 Category KeygenMe View File

    • 0 replies
    • 7.3k views
    johnfkingzton
    johnfkingzton
  25. Subveiton
    UnPackMe (.NET) · Started by Subveiton,

    Difficulty : 5 (I think) Not sure Language : C# Platform : Windows x32 OS Version : Windows All Packer / Protector : PC-RET protection v1.1 Bronze :just unpack it. Silver: unpack + password of programm Gold: unpack + password + tutorial VirusTotal: https://www.virustotal.com/ru/file/2d0cbe8416c8bc72d73945eecc16cf754488e7a07d26926330e8f59f14afd8ca/analysis/1546348036/ Unpackme.exe

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