The Duqu Detector Toolkit is available from the CrySys lab at Budapest University of Technology and Economics, to help network admins detect the Duqu malware on their systems and help determine what data it might have stolen. The toolkit is open source and is made up of four different components.
Another tool for detecting Duqu was created by NSS Labs.
Microsoft has released a tool that temporarily blocks attacks and is working on a patch to address the vulnerability that Duqu exploits.
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