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Security Response

Duqu Status Update #1

Created: 21 Oct 2011 16:56:58 GMT • Updated: 23 Jan 2014 18:18:43 GMT • Translations available: 日本語
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As mentioned in our previous blog, W32.Duqu was first brought to our attention by a research lab who had been investigating a targeted attack on another organization. This research was conducted by the Laboratory of Cryptography and System Security (CrySyS) in the Department of Telecommunications, Budapest University of Technology and Economics. CrySyS identified the infection and observed its similarity to W32.Stuxnet. They stated that no data was leaked as part of this attack.

We are grateful to CrySyS—sharing their findings allowed us to identify further attacks taking place. We have now determined that the originally targeted organization was one of a limited number of targets which include those in the industrial infrastructure industry. CrySyS has issued a statement regarding their analysis here: http://www.crysys.hu/.

The latest version of our white paper includes new information, such as details on further components we observed being downloaded onto a compromised machine. We will continue to provide updates to our white paper as further information comes to light.