Challenge of Reverse Engineering

View File 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 …

View File 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. Submitter BlackHat Submitted 09/06/2021 Category UnPackMe (.NET)  

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

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 :

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

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

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

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

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…

View File CrackMev2.exe Vmprotect 3.4 & Custom OB Vmprotect anti debug and VM protect is disabled Find the way & explain how Submitter Nope Submitted 07/15/2021 Category CrackMe  

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

View File Easy CrackMe (YeetFuscator) Language: C#(.Net) Goal: to get the key of obfuscated file Key on the screenshot is wrong, you have to crack this CrackMe and send key with tutorial on how did you do that. Submitter Alex0 Submitted 07/02/2021 Category CrackMe

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

View File 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. Submitter CursedLand Submitted 06/28/2021 Category UnPackMe (.NET)  

View File 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 …

View File 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) Submitter BlackHat Submitted 05/26/2021 Category UnPackMe (.NE…

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

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

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

View File 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! Submitter Asentrix Submitted 12/28/2020 Category CrackMe  

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

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

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

View File Simple KeygenMe 02 Provide a valid serial and User ID or make a keygen. Good Luck. Submitter johnfkingzton Submitted 03/12/2021 Category KeygenMe  

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