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Beyond AutoRun: Exploiting software vulnerabilities with removable storage

client side, exploiting
Jon Larimer
Black Hat DC 2011
Indexed on
Mar 27, 2013
File name
File size
1.5 MB

Malware has been using the AutoRun functionality in Windows for years to spread through removable storage devices. That feature is easy to disable, but the Stuxnet worm was able to spread through USB drives by exploiting a vulnerability in Windows. In this talk, I’ll examine different ways that attackers can abuse operating system functionality to execute malicious payloads from USB mass storage devices without relying on AutoRun. There’s a lot of code that runs between the USB drivers themselves and the desktop software that renders icons and thumbnails for documents, providing security researchers and hackers with a rich set of targets to exploit. Since the normal exploit payloads of remote shells aren’t totally useful when performing an attack locally from a USB drive, we’ll look at alternative payloads that can give attackers immediate access to the system. To show that these vulnerabilities aren’t just limited Windows systems, I’ll provide a demonstration showing how I can unlock a locked Linux desktop system just by inserting a USB thumb drive into the PC.

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