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40% of all spam comes from just one source

Discussion in 'General Webmaster Helpdesk' started by TeamPlayer, Mar 26, 2008.

  1. TeamPlayer

    TeamPlayer New Member Webmaster

    Six bots are responsible for 85% of all spam, according to an analysis by Marshal. The Srizbi botnet is the largest single source of spam - accounting for 39% of junk mail messages – followed by the Rustock botnet, responsible for 21% of the spam. Spam coming from the Mega-D botnet was temporarily stemmed after control servers were taken out in mid-February. The estimated 35,000 zombie clients associated with the Mega-D botnet were infected with the Ozdok Trojan. After 10 days of inactivity, spam from compromised hosts began flowing again earlier this week, after hackers re-established control.

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