Saturday, April 3, 2010

Spammers study mathematics.

spammers mathematicsMaybe for someone to be opening, but modern browsers can accept the URL is not only in the decimal system, but also in the 8-and 16-hexadecimal hexadecimal, and even a single 32-bit number. That is the type URL can be represented in several different ways.





Click on any of the options - and get on

This technique has been known for a long time, but now about her seemed to have forgotten. Worst of all, forget about it, some manufacturers antivirus software that filters e-mail traffic for dangerous options. They block the link in its normal form, but passed 8-, 16- or 32-hex IP-address.

The result is obvious: had already seen the banking Trojans, which reanimated these old math tricks.

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