I am not aware about a VB-certain decompiler, but there's Ghidra, which will decompile native code to C. Ghidra was created accessible to the general public in 2019, long after this question was at first posted.
Take a look at OllyDbg is dwelling page right here PS: Back in the day crackers employed SoftICE from NuMega for debugging into an executable & grab a snapshot within the values of registers. SoftICE was an advanced debugger. It absolutely was definitely the favourite Resource with the crackers. I do not understand about the present position in the product or service.
Such as, as an example there is an exe that was created in .Internet, I'm able to debug that compile code making use of this Resource often called DnSpy.
The context menu also features a Synchronize with Reflector menu merchandise that, when clicked, syncs the thing browser tree during the Reflector window with The present code file.
– curiousgeorge Commented Mar four, 2011 at 19:forty two @curiousgeorge - That is an aged submit and I'm guaranteed you have figured it out - but for future newbies The key reason why is the fact that pcs You should not run VB code. They run device code. After we "compile" our plans, just what the compiler is executing is translating our programming language to equipment code so it may be executed by the computer.
Should your smaller alter is usually to edit some textual content or to skip some routines, you could use a hex editor or possibly a disassembler, but you will not have the ability to see the original C++ code, and Even though you locate a tool that turns the DLL back into code, all of the variable names can be absent and It will be a major mess.
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As opposed to seeking to guard your one ddl file in one of your respective products on your entire prospects gadgets, Why don't you create an API provider for your personal valuable product functions? Permit the particular item that is definitely saved on a tool consume that API to deliver the products as you would like it.
Of course a single miracles how They are equipped To do that but it works. I don't know on the other hand should they protect your app from runtime attachment/reflection which can be what Crack.Internet is able to do. -- Edit
for big .NET code modify, use DotPeek to decompile the assembly and export dll decompiler visual studio it to some VS project. Then you can certainly edit the .cs code and rebuild from the new challenge.
The source code is not really within a DLL--it has to be reconstructed by decompiling the binary details. You will find only so numerous techniques I am able to response your query. I have been really complete.
A completely new addition is Binary Ninja and even though it's not even close to the abilities of IDA or Radare still, It truly is a cheap and superior utility Firstly. Update:
The debugger is smart plenty of to make use of AI to detect widespread APIs, compiler optimizations, etc. it permits the person to meticuloulsy rebuild higher degree constructs with the assembly created from machine code.
You can utilize IDA Professional by Hex-Rays. You will usually not get superior C++ from a binary Except you compiled in debugging data. Get ready to spend loads of manual labor reversing the code.
I don't know the precise circumstance you have got, and how much the functionality the DLL implements for the application. But I would argue that most often it would be improved to rewrite the lacking DLL based on the known features.