Showing posts with label Hacking. Show all posts
Showing posts with label Hacking. Show all posts

4 ways to break windows 7 password without software

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The 4 ways are divided into 2 sections depending upon the access :
1. Access to administrator account(3 ways).
2. Access to guest account or simple user account(1 way).
If you don't have access to any account on the PC. There are only two ways to enter the system through Backdoor or by using a Third Party Software.

Access to Administrator account

Using Command Prompt(cmd)

Command Prompt mostly referred as cmd is the windows command-line interpreter. Steps to break password using windows command prompt are:
Step 1:Click on start type cmd, right click on the program cmd and select run as administrator.
Start CMD as Administrator

Step 2:Inside cmd window type
net user User_Name *

where User_Name is the name of the account whose password you want to break, if you have any doubt regarding the user name of account you can check all the user account using net user command.
Step 3:Command Prompt will ask you to type a new password for the user.

Execute Net user command

Using Local Users And Groups

Local Users and Groups is a part of Computer Management. Steps to break password using Local Users And Groups are:
Step 1:Right click on My Computer and select Manage to open up the Computer Management. Select the first option System Tools.
Opening Computer Management

Step 2:Then select Local Users and Group from the System Tools. Two folder with name Users and Groups will appear in front of you.
Search for Local Users and Groups

Step 3:Open up the User folder and right click on the user name whose password you want to change. From the list of options select the Set Password.
Set Password

Step 4:Click on Proceed on the dialogue box.
Click on Proceed

Step 5:Enter the new password for user.
Enter new Password

Using User Accounts

Step 1:Press the windows key+r on keyboard to start the Run. Inside Run type control userpasswords2.
Start Run and type control userpasswords2

Step 2:User account will appear, Select the user account whose password you want to change.
Select the user

Step 3:Select the Reset Password option present in the bottom and enter the new password for the user.
Reset Password

Access to guest account or simple user account

Step 1:We will use the ring 0 exploit which provides privilege escalation on every version of Windows (from NT until 7). Download the exploit from here.
Step 2:Unzip the file and open up the folder.
Step 3:Run the file vdmallowed.exe, a command window(cmd) with admin privilege will open up.
Run the file vdmallowed.exe as Administrator

Step 4:Now use method 1 (using command prompt) to change the password.

Execute net user command

Unlock windows 8/7/vista/xp/NT/Server

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This tutorial can be used to break the password of following operating system of Microsoft :
  • Windows NT 3.5
  • Windows NT 3.51
  • Windows NT 4.0
  • Windows 2000
  • Windows XP
  • Windows Server 2003
  • Windows Vista
  • Windows Server 2008
  • Windows 7
  • Windows 8
  • Windows Server 2012
Things required to break the password using this method are a usb, these files and a mind to follow the steps.

Let's start...

  • Unzip the downloaded file and copy the content(files shown below) into the usb drive.Old files of usb will not get affected.
  • Click on start type cmd, right click on the program cmd and select run as administrator.
running cmd as admin

  • Inside cmd window type H:\syslinux.exe -ma H: (replace H: with your usb drive letter). On successful execution of command a file named ldlinux.sys will get created. Since it is a system file it will not be visible to you by default. To view it click on start type folder options press enter select view and unchecked the "Hide protected operating system files(Recommended)".
file change after syslinux.exe -ma H:

  • Alright we have created a bootable usb for breaking the windows password. Now restart your computer enter the BIOS usually by pressing del, F2 or F10 varies from device to device.Change the setting in the boot option so that you can boot from usb.
  • Lots of options will appear after booting from the usb. Select as per your requirement, have fun. 
  • For more info visit http://pogostick.net/~pnh/ntpasswd .
Use for education purpose only.

Create backdoor in windows 7

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First of all let's talk a little about backdoor and how it can be useful to you. The backdoor provides you the power to open up the command prompt(cmd) from the login screen of window 7. Well from cmd you can use commands like net user user_name * to set up a new password, net user user_name /del to delete a user account, explorer.exe to open up the explorer and a lot more.

Here are the steps to create the backdoor

Running Cmd As Admin
  • Click on start type cmd, right click on the program cmd and select run as administrator.

  • Now copy command from below, paste the command(right click select paste) inside cmd and press enter.
    • REG ADD "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sethc.exe" /v Debugger /t REG_SZ /d "C:\windows\system32\cmd.exe"
    • This command creates a registry entry which runs the cmd.exe as a debugger for sethc.exe
  • Running the command

  • That's all just a simple copy and paste to create a backdoor. From now on you can open up a command prompt with system privilege by pressing either the SHIFT key continuously for 5 times or Alt+Shift+PrintScreen.

Steps to remove the backdoor from your system

  • To remove the backdoor from the windows 7 copy the following command and paste it inside the cmd.
    • REG DELETE "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sethc.exe