Challenge of Reverse Engineering

Difficulty : 1 Language : Java compiled to Dalvik Byte-Code Platform : Android OS Version : API level >=19. Packer / Protector : None Description : This should be the start of a Android reversing series. -> You should code a keygen, preferrably to be able to run inside Android (no self-keygens). Screenshot : Solvers: -> Jasi2169 ->crystalboy dalvik1.zip

Difficulty : 8/10 Language : C# Platform : Windows OS Version : All (Requires .net 4.0) Packer / Protector : ConfuserEx Modified by Myself / EnigmaProtector 3.10 Description : Unpack the file, get the string code, clean resources and keep the application working. and make a Short Tut for it. Screenshot : UnpackMe_protected.exe

I made a simple program that has the packer "AgileNet" The challenge is to remove this protection and send the code of "MainForm" or "Form1" in his case. If you can meet the requirements below. What program used to unpacker? Level of difficulty? Scan 3/57: https://www.virustotal.com/pt/file/e6b3d3d176e72a5746c692f94749bd760ac46730ce7dcd04c0e62b3ab150bef4/analysis/1422818674/ Scan of file without AgileNet 0/57: https://www.virustotal.com/pt/file/45588b05ae940e7d321be6a8622a2d4555eca9f3e424d05e2107c65b80da9fba/analysis/1422818773/ I believe that the virus scan with the accused AgileNet is caused by the very packer. Please read, Viruses accused really …

Alive Just another crypto keygenme and delphi ****. Only valid solution is a keygen. Luck, HMX0101 // 10-04-2011 alivekgme-hmx.rar

Difficulty : above 5 Language : Delphi XE8 Platform : Windows x86/x64 OS Version : XP and above Packer / Protector : None Description : Improved version of my previous CrackMe, LostIt resolved the CrackMe adding a new section in the executable that redirects the address from where bytes of the functions are read to be able to edit the original function, now for creating the itself-key for decrypting those 2 variables (cracked or not cracked), is needed the pointer address from where it comes, also the function from where checks itself are itself checked to make the key, so his method is no longer valid, good luck to all and have fun! The objetive of this Cr…

Here you go... have fun! You can use it like this: name.pyc <password> dec.rar

Difficulty : You rank Language : .NET Platform : Windows OS Version : All Packer / Protector : SmartAssembly + Sixxpack Description : 1) A valid key for your HWID 2) A working keygen Good luck Screenshot : Keygenme_.rar

Difficulty : 3 Language : .NET Platform : Windows OS Version : Windows 7 Packer / Protector : Ultra Multiple v1.0 Description : UnPack, crack Good Luck Screenshot : UnPackMe.7z

Difficulty : 3 Language : Borland Platform : Windows OS Version : Windows 7 Packer / Protector : Confuser, DNP Method Description : Hi, Don't trust public version packer finder. Good Luck thanks Screenshot : Demo.7z

Difficulty : Very HardLanguage : .NETPlatform : Windows 32 bit OS Version : Windows 7Packer / Protector : Ben Mhenni Protector v5.0 Modified Description : Make a tutorial. Screenshot : UnpackMe - Ben Mhenni Protector v5.0.rar

Difficulty : 3 Language : .NET Platform : Windows OS Version : Windows 7 Packer / Protector : Multiple 1.0 Description : 1. Unpack 2. Remove SHA256 file check 3. And crack get key Note : You click Activate button show error "Index was outside the bounds of the array, this is file check protection I'm change this file after show this error, Remove this error : unpack and remove SHA256 File Check Screenshot : UnPackMe.7z

Difficulty : 4 and up Language : Borland Platform : Windows x86 OS Version : Windows Xp and up Packer / Protector : Enigma 5.xx latest version Description : UnPackMe and CrackMe I'm not share full version protect, this is protect with demo with all advance options. Good Luck Thanks Screenshot : Demo.7z License.reg

- Make It Registered - Provide tut How You Did It with crack.exe - No Rules Do Whatever You Want unpackncrack.rar

Difficulty : 1 Language : Borland Platform : Windows OS Version : Windows 7 Packer / Protector : Private Exe Protector 5.0.1.0 Demo Description : 1. Unpack and crack. 2. Remove nag please tell me. Screenshot : UnPackMe.7z

Difficulty : 3 I'm not decide Language : AutoIt3 Platform : Windows 32 bit OS Version : Windows 7 Packer / Protector : Unknown + modify Description : Don't patch. Welcome tutorial. Screenshot : UnPackMe.7z

Difficulty : 5 Language : Borland Platform : Windows OS Version : Windows 7 Packer / Protector : Themida 2.3.2.0, Enigma 3.80 Description : Simple modify section, import table Screenshot : UnPackMeDemo.7z

Difficulty : 2/3 Language : C# Platform : Windows OS Version : All Packer / Protector : ConfuserEx/DNP Description : Unpack the file and keep the application working. The serial is easy to get - if you get it - well done though it is not the main objective of this unpackme. Screenshot : https://gyazo.com/6f8ece6347515a4c68846b6f55902821 CrackMe.rar

Difficulty : 5 Language : C++ Platform : Windows x86/x64 OS Version : Windows 7 Packer / Protector : Custom VM Description: Goals: Write a valid keygen for the target Screenshot : Guindous_potato_edition.zip

Difficulty : (6 1/2) Language : (C++Builder XE8) Platform : (Windows x86) OS Version : (Windows XP & Above) Packer / Protector : (Custom VM) Description : This is my second CrackMe, the first one being developed in PureBasic, which it has many cool shenanigans but moved onto C++ now to deliver a different taste Hopefully this will leave a mark when analyzing this CrackMe The idea of this crackme is to analyze the VM and understand how it works, it will ultimately take you to where you want to go. Objective : Patch to Good Boy or Fish the Serial. Wish you the best of luck Screenshot : League of the Extraordinary Pr…

Difficulty : 1 Language : .NET Platform : Windows OS Version : Windows 7 Packer / Protector : Babel Obfuscator 8.3 Description : UnPackMe and crackme very easy. Screenshot : UnPackMe.7z

Difficulty : I guess 3 is enough. Language : Delphi Platform : Windows x32/x64 OS Version : XP and above Packer / Protector : None. Description : Goals: 1. Write a valid keygen for the target. Good luck! Screenshot : Go Figure!!! Fixed.zip

Difficulty : For the algo itself i guess that 1 is more than enough. The catch is to arrive at that code. Language : VB .NET 2010 Platform : Windows x32/x64 OS Version : XP and above Packer / Protector : Enigma and one .NET obfuscator (i let you discover - is not hard to see what). Description : There are 2 goals. 1. Unpack 2. Write a valid keygen for the target. In order to have a valid keygen you need to unpack and observe some variables and make small changes. I assure you this challenge is 100% solvable. Good luck! Screenshot : Keygenme 2016.rar

Difficulty : 4 Language : Delphi XE8 Platform : Windows x86/x64 OS Version : XP and above Packer / Protector : None Description : I made my own CrackMe with a function to check opcodes by itself and i used it as the key to decrypt 2 variables, (cracked or not cracked), the objetive of this CrackMe is to get the good boy message and not the "mal-decrypted" one. Crackme.rar Screenshot :

Not a difficult one keygenme/crackme written in C#. Gold - write a keygen Silver - find a valid Name-Key Bronze - patch assembly and get Good boy message KeyGenME_SHADOW.rar

try to crack this file make it say success also show the deobfuscated code CrackMe.exe