According to a fresh, step by step analysis of the notorious Pushdo/Cutwail botnet's operations by an enlightened researchers' group, the network that had been subjected to many shutdowns during the recent years is in addition to being remarkably resilient, unbelievably productive too. The Threatpost.com published this on March 15, 2011.
Reportedly, all of the above observations have been condensed within a whitepaper titled "The Underground Economy of Spam: A Botmaster's Perspective of Coordinating Large-Scale Spam Campaigns" that a researchers' team has compiled. The team apparently includes experts from the Santa Barbara-situated University of California, The Last Line of Defense as well as Germany-based Ruhr-University Bochum.
Wrote the researchers, 16 Cutwail/Pushdo central C&C servers were accessed for the analysis. Thereafter, it became evident that the servers held data of 2.35 terabyte size, 24 databases containing everything regarding operations along with several billion e-mail ids.
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