tsu doh nimh writes "An examination of a control server seized in the recent takedown of the Grum spam botnet shows the crime machine was far bigger than most experts had assumed. A PHP panel used to control the botnet shows it had just shy of 200,000 systems sending spam when it was dismantled in mid-July. Researchers also found dozens of huge email lists, totaling more than 2.3 billion addresses, as well evidence it was used for phishing and malware attacks in addition to mailing pharmacy spam. Just prior to its takedown, Grum was responsible for sending about one in six spams worldwide."
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