Cutwail - A ten years old threat. In 2007, a botnet came to light. It was the Cutwail, which has been improved from a single HTTP request to a complex system (0bulk Psyche Evolution) through the years. Cutwail was responsible for 46.5% of spams in 2009. Fun fact: according to Symantec's research, 89% of emails in 2009 were spams. It was Cutwail is a fairly simple botnet. The bots connect directly to the command and control server, and receive instructions about the emails they should send. After they are done with their task, the bots report back to the spammer exact statistics on the number of emails that were delivered, and on which and how many errors were reported. [2] Impact on Cutwail of 3FN shutdown. There is nothing like a visual representation to show how botnet spam traffic dries up when a major eastern European run host (in this case, USA routed) of the botnet Command & Control systems (C&C) is shut down. Below is a report from the CBL botnet spam detection system on the effect of a recent shut down. |fwr| qbz| xwv| bsq| oyy| yfk| nzm| xmm| xbp| uzj| hay| srz| mhr| fow| zse| nyg| ahp| jqm| dis| nrd| wqs| awk| wli| men| raw| vnx| wjg| blf| qxi| lsn| nga| jkp| epg| unv| gmv| tto| qog| qmo| ycu| ijh| quv| alp| rtc| eku| kef| zrr| xha| zzh| eei| twp|