By Jeremy Kirk
IDG News Service
February 1, 2010
More than 300 Web sites are being pestered by infected computers that
are part of the Pushdo botnet, according to security researchers.
The U.S. Federal Bureau of Investigation, Twitter and PayPal are among
the sites being hit, although it doesn't appear the attacks are designed
to knock the sites offline, said Steven Adair, of The Shadowserver
Foundation, a group that tracks botnets.
Shadowserver was tipped off to the Pushdo issue by Joe Stewart, director
of malware analysis at vendor SecureWorks.
Pushdo, which is also known as Pandex or Cutwail, has been around for
about three years, according to a report from Trend Micro. Computers
infected with Pushdo are used to send out spam, but the malware is
capable of downloading other harmful code to a computer.
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