Challenge of Reverse Engineering
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[Keygenme] NET Keygen me1
by CodeExplorer- 3 replies
- 5k views
[Keygenme] .NET Keygen me1 Coded on C#. Level: medium I think! Protected with SmartAssembly 6: just name obfuscation! NETKeygenMe1.zip
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VSEC Hyper Crackme
by Gladiator- 4 replies
- 3.5k views
View File VSEC Hyper Crackme Brief and useful Find correct license key, don't try to patch file. What comes within this crackme : + Code Virtualization + Unique Junkcode Generation + Control-Flow Obfuscation Submitter Gladiator Submitted 03/06/2025 Category CrackMe
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Eclipse Runtime Obfuscator
by C5Hackr- 6 replies
- 3.9k views
View File Eclipse Runtime Obfuscator Hey everyone, I’m sharing an UnpackMe challenge that combines VMProtect packing with runtime function obfuscation using Eclipse Runtime Obfuscator. This should be an interesting challenge for those who enjoy working with dynamic obfuscation and anti-debugging techniques. Protection Details: VMProtect is used for basic packing, with import protection and anti-debug enabled. Eclipse Runtime Obfuscator dynamically obfuscates function execution, making dumped analysis and debugging difficult. Function code is relocated to a new memory region at runtime and accessed through vecto…
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Blackett
by LoLLo90- 4 replies
- 11k views
View File Blackett The real goal is to make a keygen capable of generating infinite valid combinations of name and keys. Btw, also a valid serial is appreciated The only protection used is renaming. Good luck! @kao Long time no see 🧐 Submitter Erjey Submitted 09/13/2020 Category KeygenMe
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The Enigma Protector v6.9 1 2 3
by GIV- 59 replies
- 47.7k views
View File The Enigma Protector v6.9 I have protected a simple file with the Enigma Protector 6.9. Try to unpack. For a skilled reverser will not be as hard as it seems. HWID: A7707-65A71-43529-A59E1-41C2F-C5AA0-EB308-3F774 Name: tuts4you Key: BG8QC4UMZW3QMTH99U6ZTF8FJJNDAPKY5E2XNL3CMHRVUMLSB2QWRBSYBGF4RNHX7WC26W2GQMNBNPUU3YUTDXDS387A2UURMUVJ88P5PPC9ZCEQHFHW4J6ZQRAK7GW6DRK4QH4CGCEQM7F9K39J89S4CRARX3L3LPABBXU23M8QXP6A85L2CZFJZF66KF5NFTZ557872DA3 Submitter GIV Submitted 07/20/2021 Category …
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[crackme] First Iranian Obfuscator Crack Me
by Gladiator- 8 replies
- 5.6k views
Hello every body. it's first Iranian obfuscated crack me , no code virtualizer and no themida packed file , it is native delphi compiled exe file , please try to patch it. if you successfully patched it please write a tut. Thanks
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Themida x32 v3.1.8.0
by lovejoy226- 9 replies
- 4.8k views
View File Themida x32 v3.1.8.0 The Entry Point is virtualized. 2 Parts of the codes are also virtualized. [Your Mission] Just unpack this file and make it run well without any errors or termination. No devirtualiztion are necessary. Submitter New Year - New Mind Submitted 02/12/2025 Category UnPackMe
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- 1 reply
- 5k views
View File Obsidium v1.69b1 x86 (All Protection Options) Obsidium v1.6.9.b1 x86 = All Protection Options = HWID lock + etc. This unpackme (VB6.0) is created by me. If you can unpack it, please make a tutorial... 2023.06.07 Submitter boot Submitted 06/07/2023 Category UnPackMe
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VMProtect HWID CrackMe
by freddy- 5 replies
- 4.1k views
View File VMProtect HWID CrackMe I have put all important information in HWID-License.txt. I hope you all come up with some fascinating solutions. If you want leave the solution and also if you want to show off you can do that as well! Submitter freddy Submitted 02/07/2025 Category CrackMe
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BinaryShield (Custom VM)
by ra1n- 3 replies
- 3.5k views
View File BinaryShield (Custom VM) This is my first attempt at a binary protector. Currently, the VM has very little protection, so this should be good for those interested in learning about VM-based obfuscation. I intend on uploading new challenges that feature my protector as I add more features. BinaryShield source code: https://github.com/connorjaydunn/BinaryShield GOAL: - You must find the correct key. Simply patching to get a goodboy message is NOT allowed. - Bonus points for devirt and explanation of your approach. - MOST IMPORTANTLY, have fun! …
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- 10 replies
- 6.1k views
Difficulty : 5 Language : NET 2.0(C#) Platform : Windows x32/x64 OS Version : Windows 7,8,10 (All windows with .NET Framework 2) (if not work you need some VCRedist runtime´s ...) Packer / Protector : Protection scheme from C# code to UPX: Skater Obfuscator (Max Settings) > Net reactor (Max Settings !Without control flow) > UPX(2.29 - Max Settings) Description: You said the protection was weak. So I prepared something a bit more challenging. I wonder if someone can get to the original c # code. Everything is allowed . Try to get part of the code where I verify individual parts of the license key&and of course crack this.. And if it does, i…
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AutoIt CrackMe and DecompileMe v1
by schoolboy- 9 replies
- 7.1k views
Language : AutoIt Platform : Windows OS Version : XP to 10 Packer / Protector : None Description : If you succeed, you will receive a message. Screenshot : If you find the right word, there will be a label that means you've succeeded. https://www.virustotal.com/gui/file/6c751af7d8226a81e173ef6294ee9e1dd2c35eeb65149e3b515bb8c0b3463038/detection CrackMeV1.zip
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- 9 replies
- 6.5k views
Ok, learning from my flaws/weaknesses from the previous version, I've come up with a more aggressive CrackMe, Hence the name (Enhanced) hopefully will give you a nice time to think out of it and see what it does or what it has Skill Level: Experienced Reverser Only~! (Even though it's easy) Objectives: Successfully Deob & Find the Password. DL Mirror: https://mega.nz/#!HooxwJQI!tSj_tQdUdItu0MZNbb_apbcVEJKRjYkMNA7IiYme6AU Scan: https://www.virustotal.com/en/file/a3e5999753f747e04b06955688f2c9157620d91574ec12768759b12cfe1ee57d/analysis/1441686353/ Protections: I've used many encryptions for this one, Many Obfuscations and Many …
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Easy CrackMe (YeetFuscator)
by Alex0- 8 replies
- 9.4k views
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
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.NET Reactor v6.9 1 2
by AarJee- 40 replies
- 25.5k views
View File .NET Reactor v6.9 File packed with .NetReactor 6.9 -- All options Submitter AarJee Submitted 07/19/2023 Category UnPackMe (.NET)
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Simple C++/CLI Mixed Assembly KeygenMe
by SuperJackAbcd- 1 reply
- 5.3k views
View File Simple C++/CLI Mixed Assembly KeygenMe Your goal is to create a keygen 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 02/05/2022 Category KeygenMe
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MD5 Hash Keygenme
by lovejoy226- 8 replies
- 3.2k views
View File MD5 Hash Keygenme This is a simple MD5 Hash keygenme. It is protected with the themida. Submitter New Year - New Mind Submitted 02/11/2025 Category KeygenMe
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VSEC KeygenMe #2
by Gladiator- 3 replies
- 3.1k views
View File VSEC KeygenMe #2 VSEC KeygenMe #2 What you have to do: I hope peoples who interested in Reverse Engineering learns something from this type of challenges. Best Regards. Submitter Gladiator Submitted 02/07/2025 Category KeygenMe
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View File WinLicense v3.1.3.0 x86 (All Protection Options) UnpackMe - WinLicense 3.1.3.0 x86 Full Protect HWID Lock + Entry Point Virtualization + Etc... HWID: 1111-2222-3333-4444-5555-6666-7777-8888 Author:boot From:Tuts4you Time:2023.04.02 Submitter boot Submitted 04/02/2023 Category UnPackMe
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[DevirtualizeMe] Themida 3.0.3.0
by DefCon42- 7 replies
- 31.1k views
Language : C++ Platform : Windows OS Version : Windows 10 Packer / Protector : Themida 3.0.3.0 Description : Looks like Oreans just dropped Themida 3. They've been working on the beta version for more than a year and just announced the initial release, so I'm praying I don't get my personal license revoked :^( Strings are (supposedly) virtualized then encrypted. The main protection is starting at VM_DOLPHIN_RED, though other VMs can be requested. Unpack/devirtualize the file. Screenshot : Themida Crackme_protected.exe
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VSEC KeygenMe
by Gladiator- 3 replies
- 3.1k views
View File VSEC KeygenMe Simple Code Virtualization KeygenMe ( Not Commercial VM ) Try to find Algorithm and make correct key It's not too hard Your opinions about VM Complexity are welcome. Thanks Submitter Gladiator Submitted 02/05/2025 Category KeygenMe
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ByUndefined Protector + Enigma
by Leopar36- 4 replies
- 2.7k views
View File ByUndefined Protector + Enigma ByUndefined Protector + Enigma Anti Debugger Anti Dump Anti Tamper Anti ILDasm Resources Compress String Encrypt ControlFlow Virtualization Purpose: You need to patch or unpack the correct key. Submitter Leopar36 Submitted 01/23/2025 Category UnPackMe (.NET)
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Enigma Protector 5.2 1 2 3 4
by GIV- 93 replies
- 102.4k views
Difficulty : 3 Language : Delphi Platform : Windows X86 OS Version : XP and above Packer / Protector : Enigma Protector 5.2 Description : Small unpackme for you guys to try. Screenshot : Enigma Protector 5.2 unpackme.rar
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Newbe UnPackMe1
by SaggingCoder- 6 replies
- 8.3k views
Difficulty : 7 (I think) Language : .NET Platform : Windows OS Version : Windows 7 and up Packer / Protector : eazFuscator 2018.2 Description : Hello, here I am again 👋. After last and first attempt in the KeygenMe-Section, I tried to put more attention on packing my code harder. I've tried to understand and mod the open source obfuscator ConfuserEx but never got the result I was anticipating. (All the unpackers unpacked them with ease no matter what I added/changed 🙄). So I shifted my attention towards the commercial obfuscators and oh boy the pricing on these.... I've tried NetGuard, Babel, NetReactor,.. and so on. On some of these there were still vir…
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Themida x32 v3.0.4.0 1 2
by CodeExplorer- 33 replies
- 24.4k views
View File Themida x32 v3.0.4.0 One of my tool (CompareInfo v3) protected by Themida x32 v3.0.4.0. Submitter CodeExplorer Submitted 04/01/2023 Category UnPackMe