UnPackMe (.NET)

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SecureVM

By BlackHat

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.

346 downloads

0 comments

Updated September 9, 2021
ByTanimsiz Protector VM

By Leopar36

Try to devirt.

505 downloads

0 comments

Updated August 4, 2021
Eazfuscator v2021.2

By whoknows

+virtualization
+control flow obfuscation
+resource encryption
+module initializer
+symbol names

Unpack and / or provide a valid serial.

331 downloads

0 comments

Updated July 29, 2021
KoiVM Modded + CFEX

By 0x29A

Modded KoiVM + CFEX
Good luck!

417 downloads

0 comments

Updated July 23, 2021
Eazfuscator v2021.1

By whoknows

Unpack and/ or provide a valid serial.
Archive password : superfrog

626 downloads

0 comments

Updated July 14, 2021
ILVirtualization (Custom Scratch VM)

By CursedLand

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.

168 downloads

0 comments

Updated June 28, 2021
DumpMe / DebugMe

By BlackHat

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

123 downloads

0 comments

Updated June 22, 2021
NETGuard.IO Code Protector (26/05/2021)

By BlackHat

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)

218 downloads

0 comments

Submitted May 26, 2021
NETProtect.IO v2.0.0

By learningit25

This unpackme was protected using NETProtect.IO using protection options shown in the screenshot.
Nice to meet guys in forum.

480 downloads

0 comments

Updated May 8, 2021
SmartAssembly 7

By vietnguyen09

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.

427 downloads

0 comments

Updated April 14, 2021
DiamondVM

By DanielTG

This is a c# file protected with DiamondVM, a KoiVM mod which is really good. No OldRob will desvirtualize it.

116 downloads

0 comments

Submitted March 19, 2021
ByTanimsizVM Obfuscator v2.0

By Leopar36

Try to unpack or alternatively provide a serial.

236 downloads

0 comments

Updated March 16, 2021
DNGuard HVM v3.97

By 0x59

This file is protected using DNGuard HVM 3.97.

Protections used :
HVM Jit Challenge is to unpack and post details of methods used.

1,195 downloads

0 comments

Updated January 4, 2021
CryptoObfuscator v2020.200911

By whoknows

Try to unpack or alternatively provide a serial.
Protections used:
Code Virtualization
Rename Symbols
Reduce Metadata
Mark Classes as Final
+ Shield with SNK

531 downloads

0 comments

Updated December 26, 2020
Themida v2.4.6.30

By despy3

This is a .NET executable with a Goland DLL packed with Themida.
Try to unpack the executable, dump the bundled DLL then fix the DLL to make it work.
Once completed detail the methods used and how you fixed the DLL.

433 downloads

0 comments

Updated December 17, 2020
.NET Reactor v6.5.0.0

By whoknows

Try to unpack or alternatively provide a serial.
Protections used:
Necrobit Antitampering Antidebug Obfuscation Code Virtualization + Shield with SNK
Whats new in .NET Reactor [6.5.0.0] 12-Nov-2020
Fixed 'Code Virtualization' issue New 'Anti Tampering' approach and more..

1,537 downloads

0 comments

Updated December 6, 2020
Olivia Mini Protector

By KamiKaze

Try to unpack it ...
Protections used:
String Encryption Anti Dn-Spy Anti De4dot More Features

138 downloads

0 comments

Updated December 5, 2020
Crypto Obfuscator + IntelliLock (Hard)

By 2Face

1- Crypto obfuscator
Fake Name Method Hide Calls Encrypt Strings Code Masking 2- IntelliLock
Max Settings If you unpack this tell us how you did it and what programs you used.

403 downloads

0 comments

Updated September 13, 2020
DNGuard HVM v3.953

By Mohd

Try to unpack or alternatively provide the secret key, URL, Name and Address
Protections used:
DNGuard Enterprice HVM 3.953

Good luck.

892 downloads

0 comments

Submitted September 8, 2020
VMProtect v3.5.0.1213

By whoknows

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)

1,511 downloads

0 comments

Updated August 7, 2020
ConfusedDragon

By emlin

This is a .NET file which has been protected by an obfuscator me and a friend developed.
It contains a lot of protection methods, common DNSpy/De4Dot tools will not help. DNSpy will fail to decompile and throw errors.
Good luck.

149 downloads

0 comments

Updated July 18, 2020
.NET Reactor v6.3

By whoknows

Try to unpack or alternatively provide a serial.
Protections used:
Necrobit Antitampering Antidebug Obfuscation Code Virtualization + Shield with SNK

1,210 downloads

0 comments

Submitted June 10, 2020
Beds Protector v6.9

By wowinr

Try to unpack this file protected using Beds Protector v6.9 and then crack it.
A little spoiler for some of you:

225 downloads

0 comments

Updated June 7, 2020
KoiVM Modified (Beds Protector 1.4.1)

By 0x72

KoiVM is a virtualizing protector for .NET applications, as a plugin of ConfuserEx. ConfuserEx is a open-source protector for .NET applications. It is the successor of Confuser project.
This file is protected with KoiVM using;
MD5 Hash Check Constants Renamer Anti-Tamper I took KoiVM from https://github.com/BedTheGod/ConfuserEx-Mod-By-Bed (1.4.1) and modified it to make OldRod fail devirt.

465 downloads

0 comments

Updated May 24, 2020
VMProtect v3.4.0.1155

By whoknows

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

1,413 downloads

0 comments

Updated May 21, 2020