Summary

The article provides a step-by-step guide on how to bypass the Windows login screen using Hiren’s BootCD PE x64.

Abstract

The article outlines a security vulnerability in Windows operating systems by demonstrating a method to bypass the login screen without needing the original password. It begins by questioning the reliability of password security and then proceeds to detail an experiment using Hiren’s BootCD PE x64 to change the password of a Windows account. The process involves booting from a USB drive with the Hiren’s BootCD iso, using the "NT Password Edit" tool to edit the password hash stored in the SAM file, and then successfully logging in with the new password. The article emphasizes the ease with which a malicious individual could gain unauthorized access to a Windows machine, thereby undermining the perceived security of strong passwords.

Opinions

The author suggests that relying solely on strong passwords for Windows login security is not entirely safe.
There is an implication that Windows operating systems are vulnerable to unauthorized access through the use of third-party tools like Hiren’s BootCD.
The article conveys a sense of urgency for users to be aware of such vulnerabilities and potentially seek additional security measures beyond password protection.
The author expresses that this demonstration serves as a wake-up call for users who believe their systems are secure with just a strong password.
By providing a detailed guide, the author opines that hands-on experimentation can be a powerful tool for understanding security risks.

How to Bypass Windows Login Screen

A Step-by-Step Guide

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Introduction

Have you ever wondered if you are actually secure, despite using a strong password for your Windows login?

If you had and the answer is yes, well, I have some bad news for you. If the answer is no, you are completely right.

In this article, we will discuss and demonstrate through an experiment how can a malicious individual gain access to your computer, without knowing your password, in just a couple of minutes.

Preparation

For the purposes of the experiment, we will need the following:

Any physical or virtual machine with Windows installed. (Supported Versions: NT/2000/XP /Vista/7/8/10/11)
A bootable flash drive with Hiren’s BootCD PE x64 iso.

Setting up a strong password

Step 1 Open Windows search, type “password” and click on “Change your password” result.

Step 2 Choose the “Password” option and click the “Change” button.

Step 3 Enter your current password and then enter the new password.

For this experiment, we ’ll use the password shown in the following screenshot:

With the new password set, we’re all set to proceed.

Booting Hiren’s BootCD

Insert the bootable USB drive and restart the machine. If you are using a virtual machine, you can attach the iso file to an Optical Drive device.

Then, press the appropriate key to boot from USB (typically F12 on most motherboards).

Hiren’s BootCD is now loaded.

Password editing

Using a tool called “NT Password Edit,” we’ll edit the Windows login password we previously set.

To find this tool, open the Start Menu, then navigate to Security → Passwords → NT Password Edit.

The program’s UI will open and the path to the SAM file, where the password hashes are stored, will be automatically detected. If not, the default path is “C:\WINDOWS\SYSTEM32\CONFIG\SAM”.

Step 1 Click “Open” and all the accounts will load. In our case, the account’s username is “Alex”.

Step 2 Select the username of interest and click the “Change password” button.

Step 3 Enter the new password, which will overwrite the current one, and click “OK”. Then, click the “Save changes” button.

Step 4 You’re ready!

The password has been changed! All that’s left is to reboot the machine and try logging into Windows with the new password to ensure everything went smoothly.

Logging into Windows

After the reboot, the login screen appears.

Enter the new password you just created and press Enter.

That’s it! The account logs in! We bypassed the Windows password successfully in just a few minutes!

That concludes our experiment in bypassing Windows login screen.

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