Download AutoIt Decompiler 3.3 for Free and Learn How to Decompile Any AutoIt Script

AutoIt Decompiler 3.3: A Powerful Tool to Reverse Engineer AutoIt Scripts

AutoIt is a popular scripting language that allows you to automate various tasks on Windows. However, sometimes you may need to reverse engineer or modify an existing AutoIt script that is compiled into an executable file (.exe or .a3x). This is where AutoIt Decompiler 3.3 comes in handy.

autoit decompiler 3.3 download

AutoIt Decompiler 3.3 is a tool that can extract the original source code of an AutoIt script from a compiled file. It can also handle obfuscated scripts that use techniques such as string encoding, variable renaming, or compression to hide the code. In this article, we will show you how to download and use AutoIt Decompiler 3.3 for Windows.

What is AutoIt Decompiler 3.3?

AutoIt Decompiler 3.3 is a program that can decompile AutoIt scripts that are compiled into executable files (.exe or .a3x). It can also decompile AutoHotKey scripts, which are based on AutoIt and have a similar syntax.

AutoIt Decompiler 3.3 can recover the original source code of an AutoIt script, even if it is obfuscated or protected by some methods. It can also detect and remove some common obfuscators, such as Jos van der Zande's AutoIt Source Obfuscator or EncodeIt. It can also decompress or de-tokenize the script if it is compressed by LZSS or DeTokeniser.

AutoIt Decompiler 3.3 supports AutoIt v3.2.6 and above, and can handle both PE32 and PE32+ files. It also comes with some external tools and documentation to help you deal with different types of obfuscation or protection.

How to Download AutoIt Decompiler 3.3?

There are several versions of AutoIt Decompiler available online, but the latest one we could find is 2.15 build (212), which supports AutoIt v3.2.6 and above. You can download it from this GitHub repository: https://github.com/fossabot/myAut2Exe.

Alternatively, you can use other decompilers such as AutoIt-Ripper or Exe2Aut, but they may have some limitations or compatibility issues with certain files.

How to Install AutoIt Decompiler 3.3?

After downloading the zip file, extract it to a folder of your choice. You will see several files and folders inside, such as data, samples, source code, and documentation. To install AutoIt Decompiler 3.3, you need to run the Shell_Install.cmd file as administrator. This will register the program in the Windows context menu, so you can easily access it by right-clicking on any compiled AutoIt file.

How to Use AutoIt Decompiler 3.3?

To use AutoIt Decompiler 3.3, you can either drag and drop a compiled AutoIt file (.exe or .a3x) into the program window, or right-click on it and select "Decompile with myAutToExe". The program will then analyze the file and try to extract the original source code. Depending on the size and complexity of the file, this may take some time.

If the file is not obfuscated or protected, you will see the source code in the main window. You can then copy it to the clipboard or save it as a .au3 file.

If the file is obfuscated or protected, you may need to adjust some options in the program to get a better result. For example, you can enable "GetCamo's" to grab the camo vectors from the executable stub, or enable "Force Old Script Type" to switch between different script formats. You can also use some external tools such as LZSS.exe or DeTokeniser.exe to decompress or de-tokenize the script. For more details on how to use these options and tools, please refer to the documentation folder in the program folder.

Some files may be too difficult to decompile with AutoIt Decompiler 3.3, especially if they use advanced obfuscation or protection techniques. In that case, you may need to use other methods to reverse engineer them, such as debugging, disassembling, or hex editing. However, these methods require more skills and knowledge, and may not be legal in some jurisdictions.

Why Use AutoIt Decompiler 3.3?

AutoIt Decompiler 3.3 can be useful for various purposes, such as:

• Recovering your own source code if you lost it or forgot to back it up.

• Modifying an existing script to suit your needs or preferences.

• Learning from other scripts by studying how they work.

• Debugging or fixing errors in a script that you don't have the source code for.

• Checking if a script contains malicious code or unwanted features.

However, you should also respect the intellectual property rights of the original authors of the scripts, and not use AutoIt Decompiler 3.3 for illegal or unethical purposes. You should also be aware of the risks and limitations of using AutoIt Decompiler 3.3, such as:

• The decompiled source code may not be exactly the same as the original one, and may contain errors or inaccuracies.

• The decompiled source code may not run properly or at all without some modifications or dependencies.

• The decompiled source code may be protected by encryption, passwords, checksums, or other mechanisms that prevent you from accessing or modifying it.

• The decompiled source code may be obfuscated or scrambled in a way that makes it hard to read or understand.

• The decompiled source code may contain hidden code that can harm your system or data if you run it.

Therefore, you should always use AutoIt Decompiler 3.3 with caution and discretion, and at your own risk.

What are the Benefits of AutoIt Decompiler 3.3?

AutoIt Decompiler 3.3 can offer several benefits for users who want to reverse engineer or modify AutoIt scripts, such as:

• It can decompile any version of AutoIt, unlike the official decompiler that only works with v3.2.5.1 and earlier.

• It can handle both PE32 and PE32+ files, unlike Exe2Aut that only works with non-protected PE32 files.

• It can deal with various types of obfuscation or protection, unlike other decompilers that may fail or produce inaccurate results.

• It comes with a set of tools and documentation to help users with different scenarios and challenges.

• It is open source and free to use, unlike some other decompilers that may be illegal or unethical to use.

However, AutoIt Decompiler 3.3 also has some drawbacks and limitations, such as:

• It is more complicated to use than other decompilers, and may require some trial and error to get the best results.

• It may not be able to decompile some files that use advanced obfuscation or protection techniques, and may require other methods to reverse engineer them.

• It may not produce the exact source code as the original one, and may introduce some errors or inaccuracies.

• It may not respect the intellectual property rights of the original authors of the scripts, and may be used for illegal or unethical purposes.

• It may expose users to malicious code or unwanted features that are hidden in the decompiled scripts.

Therefore, users should weigh the pros and cons of using AutoIt Decompiler 3.3, and use it with caution and discretion.

Examples of AutoIt Decompiler 3.3

To illustrate how AutoIt Decompiler 3.3 works, we will show some examples of decompiling different types of AutoIt scripts.

Example 1: A Simple Script

Let's say we have a simple script that displays a message box with some text. The script is compiled with AutoIt v3.3.15.3-beta and has no obfuscation or protection. The script looks like this:

MsgBox(0, "Hello", "This is a simple script.")

If we drag and drop the compiled file (.exe) into AutoIt Decompiler 3.3, we will see the source code in the main window. The source code is exactly the same as the original one:

MsgBox(0, "Hello", "This is a simple script.")

We can then copy or save the source code as a .au3 file.

Example 2: An Obfuscated Script

Let's say we have an obfuscated script that uses string encoding and variable renaming to hide the code. The script is compiled with AutoIt v3.3.15.3-beta and has no protection. The original script looks like this:

#include

Global $a = "Hello"

Global $b = "World"

Global $c = _StringEncrypt(1, $a & " " & $b, "secret")

MsgBox(0, $c, _StringEncrypt(0, $c, "secret"))

If we drag and drop the compiled file (.exe) into AutoIt Decompiler 3.3, we will see the source code in the main window. However, the source code is not the same as the original one, but rather a de-obfuscated version that uses different variable names and removes the string encryption:

#include

Global $var_1 = "Hello"

Global $var_2 = "World"

Global $var_3 = $var_1 & " " & $var_2

MsgBox(0, $var_3, $var_3)

We can then copy or save the source code as a .au3 file.

How to Protect AutoIt Scripts from Decompilation?

As we have seen, AutoIt Decompiler 3.3 can decompile almost any AutoIt script, regardless of the version or the obfuscation or protection methods used. This may pose a threat to the intellectual property rights and the privacy of the script authors, as well as to the security and integrity of the script users.

Therefore, it is important to take some measures to protect AutoIt scripts from decompilation, or at least to make it harder and less rewarding for the decompilers. Here are some tips and suggestions:

• Backup your source code regularly and store it in a safe place. This way, you will not need to decompile your own scripts if you lose them or forget to back them up.

Use the official AutoIt Obfuscator tool that comes with the AutoIt installation. This tool can scramble your source code and make it harder to read or understand by humans. However, this tool does