How To Switch From 32-Bit Windows 10 To 64-Bit Windows 10

Microsoft offers Windows 10 as a free upgrade for computers running a genuine copy of Windows 7 or Windows 8.1. Also, similar to previous releases, the operating system is available on different editions and two versions: 32-bit and 64-bit.While upgrading from Windows 10 Home to Windows 10 Pro is not free, what many people are unfamiliar with is that Microsoft won't ask for more money to upgrade from a 32-bit to a 64-bit version.

However, the upgrade path only allows moving from a qualifying version to its equivalent edition on the same architecture. This limit means that if your PC is running a 32-bit version of Windows 8.1, after the upgrade you'll be stuck with the 32-bit version of Windows 10 — even if your computer's processor can handle the 64-bit version. The only solution is to make a clean installation of the operating system and reconfigure all your apps and settings.

In this Windows 10 guide, we'll walk you through the steps to verify whether your computer in fact includes support for a 64-bit version and we'll guide you through the upgrade process to Windows 10 (x64).

Make sure Windows 10 64-bit is compatible with your PC

A 64-bit version of Windows can only be installed on computers with capable hardware. As such, the first thing you need to do is to determine whether your computer has a 64-bit processor.

You can easily get this information from the Settings app.

1. Use the Windows key + I keyboard shortcut to open the Settings app.
2. Click System.
3. Click About.
4. Under System type, you will see two pieces of information: if it says 32-bit operating system, x64-based processor, then it means that your PC is running a 32-bit version of Windows 10 on a 64-bit processor. If it says 32-bit operating system, x86-based processor, then your computer doesn't support Windows 10 (64-bit).

Make Sure Your Processor is 64-bit Capable

First thing's first. Before even thinking of upgrading to 64-bit Windows, you'll need to confirm that the CPU in your computer is 64-bit capable. To do so, head to Settings > System > About. On the right-hand side of the window, look for the "System type" entry.

You'll see one of three things here:

• 64-bit operating system, x64-based processor. Your CPU does support 64-bit and you already have the 64-bit version of Windows installed.
• 32-bit operating system, x86-based processor. Your CPU does not support 64-bit and you have the 32-bit version of Windows installed.
• 32-bit operating system, x64-based processor. Your CPU supports 64-bit, but you have the 32-bit version of Windows installed.

If you see the first entry on your system, you don't really need this article. If you see the second entry, you won't be able to install the 64-bit version of Windows on your system at all. But if you see the last entry on your system—"32-bit operating system, x64-based processor"—then you're in luck. This means you're using a 32-bit version of Windows 10 but your CPU can run a 64-bit version, so if you see it, it's time to move on to the next section.
Make Sure Your PC's Hardware Has 64-bit Drivers Available

Even if your processor is 64-bit compatible, you might want to consider whether your computer's hardware will work properly with a 64-bit version of Windows. 64-bit versions of Windows require 64-bit hardware drivers, and the 32-bit versions you're using on your current Windows 10 system won't work.

Modern hardware should certainly offer 64-bit drivers, but very old hardware may no longer be supported and the manufacturer may have never offered 64-bit drivers. To check for this, you can visit the manufacturer's driver download web pages for your hardware and see if 64-bit drivers are available. You shouldn't necessarily need to download these from the manufacturer's website, though. They are likely included with Windows 10 or automatically will be downloaded from Windows Update. But old hardware—for example, a particularly ancient printer—simply may not offer 64-bit drivers.

Upgrade by Performing a Clean Install

You'll need to perform a clean install to get to the 64-bit version of Windows 10 from the 32-bit one. Unfortunately, there's no direct upgrade path.

Warning: Back up your important files before continuing and also make sure you have what you need to reinstall your programs. This process will wipe your whole hard disk, including Windows, installed programs, and personal files.

First, if you haven't upgraded to Windows 10 yet, you'll need to use the upgrade tool to upgrade. You'll get the 32-bit version of Windows 10 if you were previously using a 32-bit version of Windows 7 or 8.1. But the upgrade process will give your PC a Windows 10 license. After upgrading, be sure to check that your current 32-bit version of Windows 10 is activated under Settings > Update & security > Activation.

Once you're using an activated version of the 32-bit Windows 10, download the Windows 10 media creation tool from Microsoft. If you're using the 32-bit version of Windows 10 at the moment, you'll have to download and run the 32-bit tool.

When you run the tool, select "Create installation media for another PC" and use the tool to create a USB drive or burn a disc with Windows 10. As you click through the wizard, you'll be asked whether you want to create 32-bit or 64-bit installation media. Select the "64-bit (x64)" architecture.

Next, restart your computer (you did back everything up, right?) and boot from the installation media. Install the 64-bit Windows 10, selecting "Custom install" and overwriting your current version of Windows. When you're asked to insert a product key, skip the process and continue. You'll have to skip two of these prompts in total. After you reach the desktop, Windows 10 will automatically check in with Microsoft and activate itself. You'll now be running the 64-bit edition of Windows on your PC.

If you want to go back to the 32-bit version of Windows, you'll need to download the media creation tool—the 64-bit version, if you're running the 64-bit version of Windows 10—and use it to create 32-bit installation media. Boot from that installation media and do another clean install—this time installing the 32-bit version over the 64-bit version.

Final Words :

Finally, you are aware of the way through which you could be able to switch from the 32-bit windows to 64-bit windows really easily. There will be no difference in the functions or the working of the windows yet the only change that you will get is the more advanced architecture that is compatible with numerous high-end apps. If you are thinking to switch your windows to the 64-bit version then make sure you first check for your hardware compatibility. Hopefully, you would have liked the information of this post, please share this post with others if you really liked it. Provide us your valuable views regarding this post through using the comments section below. At last nevertheless thanks for reading this post!

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USE OF CRYPTOGRAPHY IN HACKING

WHAT IS CRYPTOGRAPHY?

The process of transforming information into nonhuman readable form or vice versa is called cryptography.

Cryptography is the science of ciphering and deciphering messages.

                 
                            OR

Cryptography is a method of protecting information and communication through the use of codes so that only those whom the information is intended can read and process it.

In Computer Science, cryptography refers to secure information and communication techniques derived from mathematical concepts , a set of rule based calculations called algorithm to transform message in ways the hard to readable for human.

Information plays a vital role in running of business and organizations etc, information in the wrong hands can leads to loss of business.

To secure communication organizations use cryptology to cipher information .

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Learning Web Pentesting With DVWA Part 6: File Inclusion

In this article we are going to go through File Inclusion Vulnerability. Wikipedia defines File Inclusion Vulnerability as: "A file inclusion vulnerability is a type of web vulnerability that is most commonly found to affect web applications that rely on a scripting run time. This issue is caused when an application builds a path to executable code using an attacker-controlled variable in a way that allows the attacker to control which file is executed at run time. A file include vulnerability is distinct from a generic directory traversal attack, in that directory traversal is a way of gaining unauthorized file system access, and a file inclusion vulnerability subverts how an application loads code for execution. Successful exploitation of a file inclusion vulnerability will result in remote code execution on the web server that runs the affected web application."
There are two types of File Inclusion Vulnerabilities, LFI (Local File Inclusion) and RFI (Remote File Inclusion). Offensive Security's Metasploit Unleashed guide describes LFI and RFI as:
"LFI vulnerabilities allow an attacker to read (and sometimes execute) files on the victim machine. This can be very dangerous because if the web server is misconfigured and running with high privileges, the attacker may gain access to sensitive information. If the attacker is able to place code on the web server through other means, then they may be able to execute arbitrary commands.
RFI vulnerabilities are easier to exploit but less common. Instead of accessing a file on the local machine, the attacker is able to execute code hosted on their own machine."
In simpler terms LFI allows us to use the web application's execution engine (say php) to execute local files on the web server and RFI allows us to execute remote files, within the context of the target web server, which can be hosted anywhere remotely (given they can be accessed from the network on which web server is running).
To follow along, click on the File Inclusion navigation link of DVWA, you should see a page like this:

Lets start by doing an LFI attack on the web application.
Looking at the URL of the web application we can see a parameter named page which is used to load different php pages on the website.

http://localhost:9000/vulnerabilities/fi/?page=include.php

Since it is loading different pages we can guess that it is loading local pages from the server and executing them. Lets try to get the famous /etc/passwd file found on every linux, to do that we have to find a way to access it via our LFI. We will start with this:

../etc/passwd

entering the above payload in the page parameter of the URL:

http://localhost:9000/vulnerabilities/fi/?page=../etc/passwd

we get nothing back which means the page does not exist. Lets try to understand what we are trying to accomplish. We are asking for a file named passwd in a directory named etc which is one directory up from our current working directory. The etc directory lies at the root (/) of a linux file system. We tried to guess that we are in a directory (say www) which also lies at the root of the file system, that's why we tried to go up by one directory and then move to the etc directory which contains the passwd file. Our next guess will be that maybe we are two directories deeper, so we modify our payload to be like this:

../../etc/passwd

we get nothing back. We continue to modify our payload thinking we are one more directory deeper.

../../../etc/passwd

no luck again, lets try one more:

../../../../etc/passwd

nop nothing, we keep on going one directory deeper until we get seven directories deep and our payload becomes:

../../../../../../../etc/passwd

which returns the contents of passwd file as seen below:

This just means that we are currently working in a directory which is seven levels deep inside the root (/) directory. It also proves that our LFI is a success. We can also use php filters to get more and more information from the server. For example if we want to get the source code of the web server we can use php wrapper filter for that like this:

php://filter/convert.base64-encode/resource=index.php

We will get a base64 encoded string. Lets copy that base64 encoded string in a file and save it as index.php.b64 (name can be anything) and then decode it like this:

cat index.php.b64 | base64 -d > index.php

We will now be able to read the web application's source code. But you maybe thinking why didn't we simply try to get index.php file without using php filter. The reason is because if we try to get a php file with LFI, the php file will be executed by the php interpreter rather than displayed as a text file. As a workaround we first encode it as base64 which the interpreter won't interpret since it is not php and thus will display the text. Next we will try to get a shell. Before php version 5.2, allow_url_include setting was enabled by default however after version 5.2 it was disabled by default. Since the version of php on which our dvwa app is running on is 5.2+ we cannot use the older methods like input wrapper or RFI to get shell on dvwa unless we change the default settings (which I won't). We will use the file upload functionality to get shell. We will upload a reverse shell using the file upload functionality and then access that uploaded reverse shell via LFI.
Lets upload our reverse shell via File Upload functionality and then set up our netcat listener to listen for a connection coming from the server.

nc -lvnp 9999

Then using our LFI we will execute the uploaded reverse shell by accessing it using this url:

http://localhost:9000/vulnerabilities/fi/?page=../../hackable/uploads/revshell.php

Voila! We have a shell.

To learn more about File Upload Vulnerability and the reverse shell we have used here read Learning Web Pentesting With DVWA Part 5: Using File Upload to Get Shell. Attackers usually chain multiple vulnerabilities to get as much access as they can. This is a simple example of how multiple vulnerabilities (Unrestricted File Upload + LFI) can be used to scale up attacks. If you are interested in learning more about php wrappers then LFI CheetSheet is a good read and if you want to perform these attacks on the dvwa, then you'll have to enable allow_url_include setting by logging in to the dvwa server. That's it for today have fun.
Leave your questions and queries in the comments below.

References:

1. FILE INCLUSION VULNERABILITIES: https://www.offensive-security.com/metasploit-unleashed/file-inclusion-vulnerabilities/
2. php://: https://www.php.net/manual/en/wrappers.php.php
3. LFI Cheat Sheet: https://highon.coffee/blog/lfi-cheat-sheet/
4. File inclusion vulnerability: https://en.wikipedia.org/wiki/File_inclusion_vulnerability
5. PHP 5.2.0 Release Announcement: https://www.php.net/releases/5_2_0.php

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What Is Cybercrime? What Are The Types Of Cybercrime? What Is Cyberlaw In India?

What is cyber crime?

Cybercrime is the use of computers & networks to perform illegal activities such as spreading viruses,online  bullying,performing unauthorized electronic fund transfers etc. Most cyber crimes are committed through the internet.
Some cyber crime also be carried out using mobile phones via Sms and online chatting applications.

TYPES OF CYBERCRIME

The following list presents the common types of cybercrimes-

1-Computer Fraud-Intential deception for personal gain via the use of computer system.

2-Privacy Violations-Exposing personal information such as email addresses,phone numbers,account details etc, on social media,websites,etc.

3-Identity theft-Stealing personal information from somebody and impersonating that person.

4-Sharing copyright files/information-This involves distributing copyright protected files such as eBooks and computer program etc.

5-Electronic funds transfer-This involves gaining an unauthorized access to bank computer networks and making illegal funds transferring.

6-Electronic money laundering-This involves the use of the computer to launder money.

7-Atm fraud-This involves intercepting ATM card details such as account numbers and PIN numbers.These details are then used to withdraw funds from the intercepted accounts.

8-Denial of service attack-This involves the use of computers in multiple locations to attack servers with a view of shutting them down.

9-Spam:sending unauthorized emails.

These emails usually contain advertisements.

CYBER LAW

Under The Information Technology Act,2000 

CHAPTER XI-OFFENCES-66. Hacking with computer system.

1-whoever with the Intent to cause or knowing that he is likely to cause Wrongfull Loss or Damage to the public or any person Destroys or Deletes or Alter any Information Residing in computer Resource or diminishes its value or utility or affects it injuriously by any means, commits hack.

2-whoever commits hacking shell be punished with imprisonment up to three years, or  with fine which may extend up to two lakh rupees,or with both.

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PortWitness - Tool For Checking Whether A Domain Or Its Multiple Sub-Domains Are Up And Running

PortWitness is a bash tool designed to find out active domain and subdomains of websites using port scanning. It helps penetration testers and bug hunters collect and gather information about active subdomains for the domain they are targeting.PortWitness enumerates subdomains using Sublist3r and uses Nmap alongwith nslookup to check for active sites.Active domain or sub-domains are finally stored in an output file.Using that Output file a user can directly start testing those sites.

Sublist3r has also been integrated with this module.It's very effective and accurate when it comes to find out which sub-domains are active using Nmap and nslookup.

This tool also helps a user in getting the ip addresses of all sub-domains and stores then in a text file , these ip's can be used for further scanning of the target.

Installation

git clone https://github.com/viperbluff/PortWitness.git

BASH
This tool has been created using bash scripting so all you require is a linux machine.

Usage

bash portwitness.sh url

Download PortWitness

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