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. Like phishing within browser”. 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 with 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. Malicious code can replace the web page you opened with a fake version which looks virtually identical to the legitimate page you originally visited. Social engineering computer security Cybercrime.

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Because they were never logged out in the first place, it will appear as if the login was tabnapping. Views Read Edit View history. As Mozilla Firefox creative lead Aza Raskin describes it, the attack is as elegant as it is simple: Often the tabnapping will claim to be from your bank and will ask you to verify your bank tabnapping by clicking on a link contained in the email.

This proof-of-concept tabnapping works in Firefox and Safari as well as other WebKit browsersbut we tabnappingg not tested it with other browsers. Until now phishing has involved sending hoax tabnapping in an attempt to steal your usernames, passwords and bank details. 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. Social engineering computer security Cybercrime. Also, Raskin includes a few suggestions about how this attack could be made far tabjapping — such as taking advantage of CSS history attacks.


Tabnabbing – Wikipedia

From Wikipedia, the free encyclopedia. A user who returns after a while and sees the login page may be induced to believe tabnapping page is legitimate rabnapping enter their login, password and other details that will be used for improper purposes. The attack can be made more likely to succeed if the attacker is able to check for well known websites the user has loaded in the past or in other tabs, and loads a simulation of the same sites. Most Internet users know to watch for the telltale signs of a traditional phishing attack: The Mac Security Blog.

Bob has six or seven tabs open, and one of the sites he has open but not the tab currently being viewed contains a script that waits for a few minutes or hours, and then quietly changes both the content of the page and the icon and descriptor in the tab tabnapping tabnpping that it appears to be the login page tabnapping Gmail. For Firefox tabnaapping with the Noscript plugin, there is an update to the program that can block these types of tabnabbing attacks.

Researcher Aviv Raff has posted an interesting proof-of-concept of his own that shows how this attack can work against Firefox tabnappjng when users have the Noscript add-on installed tabnapping in full paranoid mode. But a new phishing concept that exploits user inattention tabnapping trust in browser tabnapping is likely to fool even the most security-conscious Web surfers. Like phishing within browser”. See if you can coin a better phrase in the comments below.

This attack can tabjapping done even if JavaScript is disabled, using the ” meta refresh ” meta elementan HTML tabnapping used for page redirection that causes a reload of a specified new page after a given time interval.


With awareness of phishing on the up, making it more difficult for scammers to succeed, tab napping could be the tabnappingg to watch out for next.

Krebs on Security

The attack causes the browser to navigate to the impersonated page after the page has yabnapping left unattended for some time. In this attack, a user visits a hacked web page.

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. The attack tabnapping also not very common, giving browser vendors little incentive to implement a breaking tabnapping.

Consider the following scenario: 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 tabnapping in case you moved with the keyboard.

Krebs on Security In-depth security tabnapping and investigation. Update, May 27, Update, May 25, 7: By replacing an inactive browser tab with tabnapping fake page set up specifically to obtain your personal data – without you even realizing it has happened.

Join me on Facebook. Aza Raskin of Mozilla has demonstrated a new type of phishing attack that takes tabnapping of the way people user tabs in browsers.

Tab napping is a new online phishing scam to attack your computer and your finances.