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Cutwail Botnet Unleashing New Malicious Spam Campaign

by Sue Walsh

08/06/2010

The folks over at Softpedia have an interesting article about a new spam campaign being run by the Cutwail botnet. It’s pumping out hundreds of millions of messages claiming to be Social Security statement:

“Due to possible calculation errors, your annual Social Security statement may contain errors. Open attached file to review your annual Social Security statement,” the rogue messages read. The attachment is an archive file called statement.zip

 

Why spammers slip through jaws of legal beagles

by John P Mello Jr

06/01/2010

With so much spam choking email channels on the Internet–some estimates peg spam volumes at as much as 95 percent of all email traffic–you’d think they’d be more lawsuits against the perpetrators of the junk. That’s not the case, however, and there are more than a few reasons why that’s so.

 

Rustock Botnet Spam Surges

by Sue Walsh

03/31/2010

A new surge in spam being pumped out by the Rustock botnet has been detected, and it’s got a new twist – it’s encrypted. The spam is using Transport Layer Security, which is a successor to Secure Sockets Layer and usually used for emails. Up to 77% of Rustock’s resources are devoted to this new encrypted spam.

 

Vicious, Data Destroying Virus Discovered

by Sue Walsh

02/02/2010

Security researchers have discovered a vicious new virus. Dubbed Win32.Worm.Zimuse.A, it appears to have originated in Slovakia but has been quickly making its way around the world with the highest rate of infection now in the United States, followed by Slovakia, Thailand, and Italy.  The virus and its variant, Win32.Worm.Zimuse.B, both work in the same destructive way. Once the system is infected, Zimuse creates between 7-11 copies of itself, installs a rootkit, alters system registry entries, and creates several driver files.

 

Researchers Find Flaws in Google’s reCAPTCHA

by Sue Walsh

12/18/2009

A new report by security researchers claims that Google’s reCAPTCHA system is flawed – so flawed that it would allow a botnet with just 10,000 zombies to manage 10 recognition successes an hour resulting in over 850,000 fake accounts being registered each day. The researchers say the flaw is the same one that has plagued all CAPTCHA services -the human factor- but with a twist.

 

 

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