Execute binary from memory in C# .net with binary protected from a 3rd party software
- by NoobTom
i've the following scenario:
i've a C# application.exe
i pack application.exe inside TheMida, a software
anti-piracy/reverse engineering.
i encrypt application.exe with aes256. (i wrote my own aes
encryption/decryption and it is working)
Now, when i want to execute my application i do the following:
decrypt application.exe in memory
execute the application.exe with the following code:
BinaryReader br = new BinaryReader(decOutput);
byte[] bin = br.ReadBytes(Convert.ToInt32(decOutput.Length));
decOutput.Close();
br.Close();
// load the bytes into Assembly
Assembly a = Assembly.Load(bin);
// search for the Entry Point
MethodInfo method = a.EntryPoint;
if (method != null) {
// create an istance of the Startup form Main method
object o = a.CreateInstance(method.Name);
// invoke the application starting point
method.Invoke(o, null);
the application does not execute correctly.
Now, the problem i think, is that this method is only to execute .NET executable.
Since i packed my application.exe inside TheMida this does not work. Is there a workaround to this situation? Any suggestion?
Thank you in advance.
