Tabnapping

In this attack, a user visits a hacked web page. Believe it or not, fraudsters can actually detect when a tab has been left inactive for a while, and spy on your browser history to find out which websites you regularly visit, and therefore which pages to fake. The link actually directs you to a fake website which looks just like your bank's own website. A user who returns after a while and sees the login page may be induced to believe the page is legitimate and enter their login, password and other details that will be used for improper purposes.

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Views Read Edit View history. As Mozilla Firefox creative lead Aza Raskin describes it, the attack is as elegant as it is simple: Unluckily for us, as soon as we become pretty good as spotting one type of attack, another more sophisticated version comes along in its place.

Tabnabbing - Wikipedia

Believe it or not, fraudsters can actually detect when a tab has been left inactive for a while, and spy on your browser history to find out which websites you regularly visit, and therefore which pages to fake. Aza Raskin of Mozilla has demonstrated a new type of phishing attack that takes advantage of the way people user tabs in browsers.

The NoScript extension for Mozilla Firefox defends both from the JavaScript-based and from the scriptless attack, based on meta refresh, by preventing inactive tabs from changing the location of the page.

Because tabnnapping were never logged out in the first place, it will appear as if the login was successful. The Mac Security Blog. Consider the following scenario: Join me on Facebook.

tabnapping — Krebs on Security

In the above proof-of-concept example, a Gmail page is displayed, but this could be a bogus bank page, PayPal login page, or Amazon. An e-mail that asks you to click on a link and enter your e-mail or banking credentials at the resulting Web site.

The link actually directs you to a fabnapping website which looks just like your bank's own website. It did not work completely against the Safari browser on my Mac no faviconand the test page failed completely against Google Chrome.

A user has multiple tabs open, and surfs to a site that uses special javacript code to silently alter the contents of a tabbed page along tanapping the information displayed on the tab itself, so that when the user switches back to that tab it appears to be the login page for a site the user normally visits.

So it will change only after 3 minutes or so, unless you move to atbnapping tab with your mouse. By replacing an inactive browser tab with a fake page set up specifically to obtain your personal data - without you even realizing it has happened.

Tab Napping

Also, Raskin includes a few suggestions about how this attack could be made far sneakier — such as taking advantage of CSS history attacks. This proof-of-concept demonstration works in Firefox and Safari as well as other WebKit browsersbut we have tabnapping tested it with other browsers. Social engineering computer security Cybercrime. Retrieved from " https: Most Internet users know to watch for the telltale signs of a traditional phishing attack: By using this site, you agree to the Terms of Use and Privacy Policy.

Raskin includes a proof-of-concept at his sitewhich is sort of creepy when you let it run. TollFree Tabnabbing is different from most phishing attacks in that the user no longer remembers that a certain tab was the result of a link unrelated to the login page, because the tabnappping login page is loaded in one of the long-lived open tabs in their browser.

In this attack, a user visits a hacked web page.

This may not necessarily rouse any suspicion since you might simply assume your bank has logged you out because you left your account inactive for too long. This attack can be done even if JavaScript is disabled, using the " meta refresh " meta elementan HTML attribute used for page redirection that causes a reload of a specified new page after a given time interval. Often the sender will claim to be from your bank and will ask you to verify your bank details by clicking on a link contained in the email.

Your email account may be worth far more than you imagine.

Update, May 25, 7: Krebs on Security In-depth security news and investigation. From Wikipedia, the free encyclopedia.

Tabnabbing

Raff crafted his page, which is a mock up of this blog post, to morph into an image of the Gmail login page, and it will reload every 20 seconds but will only change to the sample phish page if you move to another tab with your mouse, or after 10 reloads in case you moved with the keyboard.

Now I can almost be sure of that. Tab napping is a new online phishing scam to attack your computer and your finances.

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