Hewlett Packard has issued an emergency patch to resolve a driver-level keylogger discovered on hundreds of HP laptops. The bug was discovered by Michael Myng, also known as “ZwClose.” The security researcher was exploring the Synaptics Touchpad SynTP.sys keyboard driver and how laptop keyboards were backlit and stumbled across code which looked suspiciously like a keylogger. In a blog post, ZwClose said the keylogger, which saved scan codes to a WPP trace, was found in the driver.
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