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Stories about: Cutwail botnet

Recent Cutwail Spam Employs Complex Text Obfuscation Techniques Security researchers from Symantec warn that a new rogue pharmacy spam run uses HTML and CSS techniques to obfuscate text advertisements and avoid detection.Pharma spam has been steadily making a comeback since Spamit, the world's largest rogue pharmacy affiliate program, closed up shop at the beginning of Octob... 24 November 2010 06:45 GMT Social Security Statement Spam Campaign Spreads Malware A new aggressive spam campaign is distributing a Zbot variant disguised as a Social Security statement. Security researchers warn that over 600 million emails carrying the infected attachment have been sent out by the Cutwail botnet in the past 24 hours.The infected emails masquerade as official noficiations from the... 30 July 2010 07:38 GMT 3FN Takedown Cripples Cutwail Spam Botnet Security vendors are starting to release spam statistics after the recent FTC shutdown of 3FN. The most affected spam botnet seems to be Cutwail/Pushdo, but the total impact is far from close to that resulting from the McColo takedown. In early June, U.S. District Judge Ronald Whyte, for the Northern District of Cal... 10 June 2009 05:35 GMT