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What's becoming old hat for Microsoft, the software behemoth has led another successful dismantling of a botnet network. But if history is any guide, this doesn't mean the banking trojan Citadel is extinguished for good.
The botnet is reportedly behind the compromise of more than 20,000 payment cards in recent months.
Some advice from pros for keeping your infrastructure out of the snares of a botnet. Alan Earls reports.
The Slovenian man charged with being the mastermind behind the massive Mariposa botnet will serve close to five years in prison.
Malware disguising itself as a Firefox add-on has ensnared more than 12,500 PCs in a botnet that, since May, has uncovered more than 1,800 vulnerable websites.
A 19-year-old Argentinean man was arrested and charged with running a botnet that stole funds from gaming and money transfer sites.
Microsoft announced on Thursday that its Digital Crimes Unit - in conjunction with the FBI, Europol's EC3 and technology companies such as A10 Networks - has disrupted a botnet that targets search engines and browsers.
Cutwail, the world's largest spam botnet, is often used to distribute financial malware like Gameover Zeus.
When the famously anonymous Tor Network went from about 500,000 users to roughly 3.5 million users in less than a month, experts concluded a botnet was at work.
Botnet operators are using a domain-generation algorithm to conceal their command-and-control center. And once they knew security researchers were on to their tricks, they got even slicker.
More than 90,000 IP addresses were used to crack admin accounts on the blogging platform.
The Pushdo malware detects when users are running a malware monitoring tool called FakeNet, and goes on to spam the site, researchers found.
The Travnet botnet uploads Microsoft Office files, PDFs and text files to remote servers run by attackers.
Canada's Royal Canadian mounted police swooped on a data center in the Burnaby, BC area this month, seizing computers that they say may be linked to a $500 million botnet.
The Flashback trojan identified in 2011 is still active and infecting computers, according to a post by Mac security software company Intego.
Researchers at RSA noted the "battle of the botmasters" taking place.
Victims were redirected to sites hosting the Magnitude exploit kit, which installs malware on computers running vulnerable Java software.
More than a million Android mobile devices worldwide are now infected with a crafty bootkit trojan known as Android.Oldboot.1.origin - a number that has more than tripled in a week.
Thanks to willing accomplices and easy-to-use technology, the threat from linked computers is expanding, reports Karen Epper Hoffman.
A malicious app, known as mToken, has infected more than 2,000 mobile devices and intercepted at least 25,000 SMS messages, researchers found.