Top botnets control 1M hijacked computers

Wednesday, April 9th, 2008

Storm is a shadow of its former self, Kraken is just another name for Bobax and the biggest botnet goes by the mouthful of "Srizbi," a noted botnet researcher said today as he released the results of his census of the various armies of hacked computers that spew spam. Joe Stewart, ...

New Massive Botnet Twice the Size of Storm

Monday, April 7th, 2008

A new botnet twice the size of Storm has ballooned to an army of over 400,000 bots, including machines in the Fortune 500, according to botnet researchers at Damballa. The so-called Kraken botnet has been spotted in at least 50 Fortune 500 companies and is undetectable in over 80 percent of ...

Before Patch Tuesday, There Were Malware

Monday, April 7th, 2008

Recycling an old social engineering technique and using two different attack methods, a new spam run emerges as a threat to Web users before Microsoft’s Patch Tuesday. And not because it exploits soon-to-be named vulnerabilities. What this spamming operation takes advantage of is the anticipation itself for the release of patches ...

Top 15 Malicious Spyware Actions

Sunday, April 6th, 2008

Spyware authors have ramped up their malicious code to invade users' privacy at unprecedented levels. The following list describes some of the most malicious activities of today's spyware, illustrating the need for solid antispyware defenses. Changing network settings: To prevent signature updates for antivirus and antispyware tools, some spyware alters the ...

Web bugs return using digital certificates

Thursday, April 3rd, 2008

Spammers are once again using web bugs to verify the validity of of email addresses. This time the trick is not done with graphics but with digital certificates. Alexander Klink from German consultants Cynops has discovered a vulnerability in Microsoft products – or possibly in the Crypto API – that ...