Showing posts with label HACKS [INTERNET]. Show all posts
Showing posts with label HACKS [INTERNET]. Show all posts

29 December, 2010

How to Enable Right Click on Sites that Disable it!!!

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There are lots of web sites that have disabled the right click function

of the mouse button… which it’s really, really annoying!!

This is done so that you don’t steal (via right-click->save picture) their photos

or images or any other goodies.

But It’s easy to change, assuming your using IE 6 or higher:



  1. Click “Tools”->”Internet Options”

  2. Click the “Security” tab

  3. Click “Custom Level”

  4. Scroll down to the “Scripting” section

  5. Set “Active Scripting” to “disable”

  6. Click “Ok” a couple of times.

You’ll probably want to turn this back to “enable” when your done,

’cause generally the java script enhances a website.

ALTERNATIVELY:

Before you change settings try holding down the Ctrl key and right clicking.

This also works in a lot of cases..

or in firefox..

tools->options->content..

turn off java and javascript, then reload the site..
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26 December, 2010

How To Hack : Hackers Underground Handbook | Download For Free

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Hi friends I hope you all are fine, Now a days learning hacking is very hard but if we have any good mentor and its very easy to learn hacking , but now a days no hack guide is available for us to teach us hacking for free. Even e-books on hacking are costing a little. but now you can learn ethical hacking for free with the professional e-book hacking which costs 20$ , but I am posting it for free . Just read out whole post to know more....





How To Hack : Learn Hacking From Professional Book Free .



The Hacker’s Underground Handbook will guide you through password hacking, windows hacking, malware, phising, web hacking, network hacking and Linux (intro, installation, etc). All this material fully packed with images, thus being a top step-by-step guide, on the course of which you cannot fail.





The Hacker's Underground Handbook which contains information unknown to 99.9% of the world will teach you the hacker's ways.



A great starting book which will guide you in the right direction, helping you understand the basic concepts of computer security and matters that you should take in consideration.









Benefits and features of this new e-book on hacking :-



    *Learn ethical hacking , garanteed

    *It personally used by me to learn hacking

    *You will learn all the hackers tricks and learn to apply them in real world situations.

    *You will be put into a hackers mindset and learn to think like one.

    *By Learning how a hacker thinks and acts, you will be able to protect yourself.

    *You will aquire knowledge nonexistant to 99.9% of the people in the world!

    *Underground handbook may get you interested in pursuing career as a Ethical Hacker.



File Information :-



Name        :- The Hackers Underground Handbook

Size          :- 2.7 Mb

Format      :- .pfd [Compressed RAR format]





  
Password : freezilla.in












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17 December, 2010

How Firewalls Work

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If you have been using Internet on a regular basis or working in a large company and surf the Internet while you are at work, you must have surely come across the term firewall. You might have also heard of people saying “firewalls protect their computer from web attacks and hackers” or “a certain website has been blocked by firewall in their work place”. If you have ever wondered to know what exactly is this firewall and how it works, here we go. In this post I will try to explain “How firewalls work” in a layman’s terms.

How Firewalls Work

Firewalls are basically a barrier between your computer (or a network) and the Internet (outside world). A firewall can be simply compared to a security guard who stands at the entrance of your house and filters the visitors coming to your place. He may allow some visitors to enter while denying others whom he suspects of being intruders. Similarly a firewall is a software program or a hardware device that filters the information (packets) coming through the Internet to your personal computer or a computer network.


Firewalls may decide to allow or block network traffic between devices based on the rules that are pre-configured or set by the firewall administrator. Most personal firewalls such as Windows firewall operate on a set of pre-configured rules that are most suitable under normal circumstances so that the user need not worry much about configuring the firewall.



Personal firewalls are easy to install and use and hence preferred by end-users for use on their personal computers.  However large networks and companies prefer those firewalls that have plenty of options to configure so as to meet their customized needs. For example, a company may set up different firewall rules for FTP servers, Telnet servers and Web servers. In addition the company can even control how the employees connect to the Internet by blocking access to certain websites or restricting the transfer of files to other networks. Thus in addition to security, a firewall can give the company a tremendous control over how people use the network.



Firewalls use one or more of the following methods to control the incoming and outgoing traffic in a network:



1. Packet Filtering: In this method packets (small chunks of data) are analyzed against a set of filters. Packet filters has a set of rules that come with accept and deny actions which are pre-configured or can be configured manually by the firewall administrator. If the packet manages to make it through these filters then it is allowed to reach the destination; otherwise it is discarded.



2. Stateful Inspection: This is a newer method that doesn’t analyze the contents of the packets. Instead it compares certain key aspects of each packet to a database of trusted source. Both incoming and outgoing packets are compared against this database and if the comparison yields a reasonable match, then the packets are allowed to travel further. Otherwise they are discarded.

 
Firewall Configuration


Firewalls can be configured by adding one or more filters based on several conditions as mentioned below:



1. IP addresses: In any case if an IP address outside the network is said to be unfavorable, then it is possible to set  filter to block all the traffic to and from that IP address. For example, if a cetain IP address is found to be making too many connections to a server, the administrator may decide to block traffic from this IP using the firewall.



2. Domain names: Since it is difficult to remember the IP addresses, it is an easier and smarter way to configure the firewalls by adding filters based on domain names. By setting up a domain filter, a company may decide to block all access to certain domain names, or may provide access only to a list of selected domain names.



3. Ports/Protocols: Every service running on a server is made available to the Internet using numbered ports, one for each service. In simple words, ports can be compared to virtual doors of the server through which services are made available. For example, if a server is running a Web (HTTP) service then it will be typically available on port 80. In order to avail this service, the client needs to connect to the server via port 80. Similarly different services such as Telnet (Port 23), FTP (port 21) and SMTP (port 25) services may be running on the server. If the services are intended for the public, they are usually kept open. Otherwise they are blocked using the firewall so as to prevent intruders from using the open ports for making unauthorized connections.



4. Specific words or phrases: A firewall can be configured to filter one or more specific words or phrases so that, both the incoming and outgoing packets are scanned for the words in the filter. For example, you may set up a firewall rule to filter any packet that contains an offensive term or a phrase that you may decide to block from entering or leaving your network.

 
Hardware vs. Software Firewall


Hardware firewalls provide higher level of security and hence preferred for servers where security has the top most priority whereas, the software firewalls are less expensive and are most preferred in home computers and laptops. Hardware firewalls usually come as an in-built unit of a router and provide maximum security as it filters each packet in the hardware level itself even before it manages to enter your computer. A good example is the Linksys Cable/DSL router.

 
Why Firewall?


Firewalls provide security over a number of online threats such as Remote login, Trojan backdoors, Session hijacking, DOS & DDOS attacks, viruses, cookie stealing and many more. The effectiveness of the security depends on the way you configure the firewall and how you set up the filter rules. However major threats such as DOS and DDOS attacks may sometimes manage to bypass the firewalls and do the damage to the server. Even though firewall is not a complete answer to online threats, it can most effectively handle the attacks and provide security to the computer up to the maximum possible extent.
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10 Tips to Avoid Getting Adware

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Adware, malware, spyware and viruses can bring your system to its knees. They are detrimental, lowering the performance of your computer. You might need to replace data. You might lose unique files. Keep the nasties away from your computer using these ten simple tips.




1. Use Firefox: Internet Explorer is the most popular browser on the market, controlling over 50% of the market share. The virus and adware creators specifically look for exploitable vulnerabilities within IE because they know that they will receive the best return on investment. Your switch to Firefox prevents some adware from infecting your machine.


2. Scan your PC once a week: Sometimes adware programmers take a sneaky approach. They will set up their programs to run quietly in the background to spy upon your activities. This once a week scan is necessary to remove any of those sneaky bugs.







3. Download from known sites: New sites for installing adware are popping up all the time. If you find something that you want to download, make sure that it is from a known site. A company like Amazon will not steer you wrong, but Bob’s House of Wares might be a little less trustable. If you are not sure whether you can trust a site, perform a quick search.







4. Install Adaware: Ad-Aware is the most popular free adware removal program on the market. It detects, quarantines and removes adware. It searches for other programs which may have been installed, highlighting them in an easy to use interface. This program does not have an anti-virus attached.



5. Do not click on unsolicited email: You are constantly receiving offers to increase this or improve that through unsolicited email. Your curiosity may be killing you, but don’t click on these emails. They accept your click as permission to install adware, spyware and malware on your PC.



6. Install Antivirus software: Installing two programs for virus and adware protection is a smart idea. It caters to the strengths of each program, increasing the overall strength of your antiadware and antiviral campaign. Some of the best antivirus software is free, providing real time protection. Programs to look at would be Avast Antivir and AVG.







7. Don’t install toolbars: Even some reputable sites install custom toolbars. They slow your system down and collect information about your surfing habits. While a toolbar might offer some perks, it may also diminish your experience by dragging your system to a halt. Toolbars from less reputable places install adware and sometimes infect your system outright.



8. Look at your task manager: If anything seems out of place with your computer, take a look at your task manager. This tells you about all of the programs and processes which are running on your computer. Examine the processes tab for anything which you don’t immediately recognize. Perform a web search for unfamiliar processes.



9. Do not click on popups: Clicking on a popup usually spells certain doom for your computer. It opens the door for the viruses and adware that want to infect your machine, telling these malicious applications to make themselves at home. Stay away from those constantly advertised screensavers and icons.



10. Trust your gut: If you don’t feel right about a site, don’t go there. If you are receiving warnings from the antivirus and antiadware programs which you’ve installed, don’t go there. If you don’t like the layout of a site, don’t go there. Trust your instincts about sites.



With proper vigilance, you can keep aggravating adware, spyware and malware from your machine. Trust your instincts. Install Ad-Aware and an antivirus program. Play it safe. The care you spend in preventing adware from infecting your machine can save money and time.
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05 November, 2010

What is CAPTCHA and How it Works?

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CAPTCHA or Captcha (pronounced as cap-ch-uh) which stands for “Completely Automated Public Turing test to tell Computers and Humans Apart” is a type of challenge-response test to ensure that the response is only generated by humans and not by a computer. In simple words, CAPTCHA is the word verification test that you will come across the end of a sign-up form while signing up for Gmail or Yahoo account. The following image shows the typical samples of CAPTCHA.



Almost every Internet user will have an experience of CAPTCHA in their daily Internet usage, but only a few are aware of what it is and why they are used. So in this post you will find a detailed information on how CAPTCHA works and why they are used.

What Purpose does CAPTCHA Exactly Serve?

CAPTCPA is mainly used to prevent automated software (bots) from performing actions on behalf of actual humans. For example while signing up for a new email account, you will come across a CAPTCHA at the end of the sign-up form so as to ensure that the form is filled out only by a legitimate human and not by any of the automated software or a computer bot. The main goal of CAPTCHA is to put forth a test which is simple and straight forward for any human to answer but for a computer, it is almost impossible to solve.

What is the Need to Create a Test that Can Tell Computers and Humans Apart?

For many the CAPTCHA may seem to be silly and annoying, but in fact it has the ability to protect systems from malicious attacks where people try to game the system. Attackers can make use of automated softwares to generate a huge quantity of requests thereby causing a high load on the target server which would degrade the quality of service of a given system, whether due to abuse or resource expenditure. This can affect millions of legitimate users and their requests. CAPTCHAs can be deployed to protect systems that are vulnerable to email spam, such as the services from Gmail, Yahoo and Hotmail.

Who Uses CAPTCHA?

CAPTCHAs are mainly used by websites that offer services like online polls and registration forms. For example, Web-based email services like Gmail, Yahoo and Hotmail offer free email accounts for their users. However upon each sign-up process, CAPTCHAs are used to prevent spammers from using a bot to generate hundreds of spam mail accounts.

Designing a CAPTCHA System

CAPTCHAs are designed on the fact that computers lack the ability that human beings have when it comes to processing visual data. It is more easily possible for humans to look at an image and pick out the patterns than a computer. This is because computers lack the real intelligence that humans have by default. CAPTCHAs are implemented by presenting users with an image which contains distorted or randomly stretched characters which only humans should be able to identify. Sometimes characters are striked out or presented with a noisy background to make it even more harder for computers to figure out the patterns.

Most, but not all, CAPTCHAs rely on a visual test. Some Websites implement a totally different CAPTCHA system to tell humans and computers apart. For example, a user is presented with 4 images in which 3 contains picture of animals and one contain a flower. The user is asked to select only those images which contain animals in them. This Turing test can easily be solved by any human, but almost impossible for a computer.

Breaking the CAPTCHA

The challenge in breaking the CAPTCHA lies in real hard task of teaching a computer how to process information in a way similar to how humans think. Algorithms with artificial intelligence (AI) will have to be designed in order to make the computer think like humans when it comes to recognizing the patterns in images. However there is no universal algorithm that could pass through and break any CAPTCHA system and hence each CAPTCHA algorithm must have to be tackled individually. It might not work 100 percent of the time, but it can work often enough to be worthwhile to spammers.



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Know More About Secure Sockets Layer (SSL)

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Secure Sockets Layer (SSL) is the most widely used technology for providing a secure communication between the web client and the web server. Most of us are familiar with many sites such as Gmail, Yahoo etc. using https protocol in their login pages. When we see this, we may wonder what’s the difference between http and https. In simple words HTTP protocol is used for standard communication between the Web server and the client. HTTPS is used for a SECURE communication.

What exactly is Secure Communication ?

Suppose there exists two communication parties A (client) and B (server).

Working of HTTP

When A sends a message to B, the message is sent as a plain text in an unencrypted manner. This is acceptable in normal situations where the messages exchanged are not confidential. But imagine a situation where A sends a PASSWORD to B. In this case, the password is also sent as a plain text. This has a serious security problem because, if an intruder (hacker) can gain unauthorised access to the ongoing communication between A and B , he can see the PASSWORDS since they remain unencrypted. This scenario is illustrated using the following figure



Now lets see the working of HTTPS

When A sends a PASSWORD (say “mypass“) to B, the message is sent in an encrypted format. The encrypted message is decrypted on B‘s side. So even if the Hacker gains an unauthorised access to the ongoing communication between A and B he gets only the encrypted password (“xz54p6kd“) and not the original password. This is shown below



How is HTTPS implemented ?

HTTPS is implemented using Secure Sockets Layer (SSL). A website can implement HTTPS by purchasing an SSL Certificate. Secure Sockets Layer (SSL) technology protects a Web site and makes it easy for the Web site visitors to trust it. It has the following uses

  1. An SSL Certificate enables encryption of sensitive information during online transactions.

  2. Each SSL Certificate contains unique, authenticated information about the certificate owner.

  3. A Certificate Authority verifies the identity of the certificate owner when it is issued.

How Encryption Works ?

Each SSL Certificate consists of a Public key and a Private key. The public key is used to encrypt the information and the private key is used to decrypt it. When your browser connects to a secure domain, the server sends a Public key to the browser to perform the encryption. The public key is made available to every one but the private key(used for decryption) is kept secret. So during a secure communication, the browser encrypts the message using the public key and sends it to the server. The message is decrypted on the server side using the Private key(Secret key).

How to identify a Secure Connection ?

In Internet Explorer, you will see a lock icon Picture of the Lock icon in the Security Status bar. The Security Status bar is located on the right side of the Address bar. You can click the lock to view the identity of the website.

In high-security browsers, the authenticated organization name is prominently displayed and the address bar turns GREEN when an Extended Validation SSL Certificate is detected. If the information does not match or the certificate has expired, the browser displays an error message or warning and the status bar may turn RED.

So the bottom line is, whenever you perform an online transaction such as Credit card payment, Bank login or Email login always ensure that you have a secure communication. A secure communication is a must in these situations.
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17 October, 2010

TRICK FOR BYPASSING SONIC FIREWALL

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Nowadays many colleges and school have banned social networking like facebook,orkut, hi5, myspace etc..
Moreover no Proxy Setting  is working as Proxy Websites are also blocked by Administrator..


But here is a way to bypass all this restrictions

and browse blocked website in college or school campus..
Follow this Simple Step :-
1). In Address Bar Type


    HTTPS://WWW.XYZ.COM
   
                 instead of
    
    HTTP://WWW.XYZ.COM






To know the full logic,,how this trick works,,

have a look here on my article

Know More About Secure Sockets Layer (SSL)





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07 September, 2010

CREATING YOUR OWN SEARCH ENGINE

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Nowadays it is possible to create your own search engine on internet, use the same for any search
and impress your friend and family members by this trick.

It will give you the same result as of Google.


Moreover you can set it as your home page.
So here is the simple trick.....Lets start :-


*  Click on "Create a new search engine now"
"Enter Your Name and" Select the required style "Choose a Stylelike GOOGLE ,

    YAHOOO, COCA-COLA etc 
and click on "Create My Search Engine"
    Thats all....you done with..
*  Now you can use  the same as your default search engine or even set it as

    your default home page.


     So every time you open your internet browser, you can search directly on your 


      OWN SEARCH ENGINE






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