A survey on Pharming attack Detection and prevention methodology

Abstract

Pharming is an advance phishing attack. It is also known as "phishing without a lure". A hacker's attempt to change/exploit the DNS settings of a server so that when you enter the address of a legitimate website, it redirects you to a fake/copy of the original site hosted somewhere else. It is a classy edition of phishing attacks-endeavor to take users' identification like username and password by redirecting them to a fake website using DNS-based techniques. Pharming attacks can be performed at the client-side or into the Internet. This attack will be affecting large group of computers within single instance. As compare to phishing attack, In pharming attack , attacker need not targeting individual user. If pharming is performed by modifying the DNS entries, than it will be affecting to all the users who is accessing the web page through that DNS. Pharming attack may not be identified just by observing the URL, as URL will be the legitimate, not the site.