Defeating CAPTCHAs: Hacker Tools Surface
Vicente Martinez writes on the Panda Labs Blog:
...it has become more and more usual to see websites (forums, blogs, wikis, guestbooks, etc...) that contain advertising comments or links that direct to sites that infect with malware.More here.
We are going to talk about a program that allows this type of comments to be created: the XRumer.
This type of websites usually include human verification codes, in order to make automatic registration more difficult for this kind of robots or they use filters in order to block IP addresses that carry out suspicious operations.
Image source: Panda Labs
posted by Fergie @ 7/24/2007 10:56:00 AM
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