Here we are going to discuss a way to secure your windows login password from hackers by disabling the F8 or boot up key. To learn how to hack the windows login password click here https://totaltech24.blogspot.in/2017/08/how-to-hack-windows-login-password.html

NOTE:


At this time, I just need to make one thing clear. This is just for the educational purpose, you can only use this on your own systems or on the one to which you have permission to do this. The site admin or the author won’t take any responsibilities on things you do with this.


It is really dangerous to play with the system files. So, back the system files on disk just in case.... or at least a startup disk so you can repair the msdos.sys file if you make a mistake.

Find the file msdos.sys which can be found at C:\msdos.sys. Since this is a hidden system file, you will have to make it writeable by changing its attributes by going to the Dos prompt and trying the following:

C:\Windows>cd\

Then make msdos.sys writeable and unhide it by typing

C:\>attrib msdos.sys -b -w

Open msdos.sys in Wordpad.
You will see something that look like this:

;FORMAT
[Paths]
WinDir=C:\WINDOWS 
WinBootDir=C:\WINDOWS 
HostWinBootDrv=C
[Option]
BootMenu=0 (default)
BootMulti=1
BootGUI=1
DoubleBuffer=1
AutoScan=1
WinVer=4.10.1998
;
;The following lines are requried for compatibility with other programs.
;Do not remove them (MSDOS>SYS needs to be >1024 bytes).
;xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

To disable the function keys during bootup, directly below [Option] you insert the following piece of code:

"BootKeys=0."
(Without the quotes of course)

Now, instead of inserting the BootKeys command you can also insert the following command

"BootDelay=0."

Not many people know about the BootDelay=0 command. This along with the BootKeys command does make your machine safer. Then save msdos.sys. Since msdos.sys is an important system file you should change its attributes back to read-only and hidden by typing

C:|attrib msdos.sys +b +r



Hope this was useful, please leave your suggestions and queries in the discussion below. I have more cool things to share with you guys. stay tuned.
Happy Ethical Hacking !!