To find the first password, it's probably a good idea to look into the method that is called when the first button is clicked, button1_Click(object sender, EventArgs e). Hence, this crackme challenge can be divided into 3 levels, each level corresponding to a password to find. Under the Form1 class, we see 3 important methods, button1_Click(object, EventArgs), button2_Click(object, EventArgs), and button3_Click(object, EventArgs), which are called when the corresponding form buttons are clicked.
Luckily for us, the variables in the code are properly named and aren't obfuscated. This means that we can analyze the binary in dnSpy which would allow us to see the C# code in the binary. NET directory, which tells us that this is a. NET assembly and it contains a directory called the. When we open it in CFF explorer, we see that the file type is a. When we run the application we see a GUI like this, containing a form with text fields asking for 3 different passwords and buttons labelled "Check!" The crackme is an executable called MBCrackme.exe. listing files) are so much more simple in powershell While we can survive with just python, some actions involving the OS (e.g. Powershell - Comes with windows by default.
Pip install Pillow numpy pefile pycryptodome
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