Prevent From USB Keystroke Injection Attacks
Prevent From USB Keystroke Injection Attacks

A day after researchers declared Linux having more vulnerabilities than Windows, Google now makes a free tool to be used by Linux systems to avoid potential USB keystroke attacks. The software would be running background to monitor any suspicious activities from a plugged USB, and notify a user about potential attacks. This was published by Google in its GitHub for Linux PCs.

USB keystroke attacks could be bad, if not worse. Though it’s hard for an attacker to achieve this feat, once a thumb drive is directly plugged into PC, that would give the attacker full admin privileges for exploitation. This was succeeded by the US against Iran’s nuclear plans in the past. Thus, such attacks top have the potential to exploit very badly.

Prevent From USB Keystroke Injection Attacks
Prevent From USB Keystroke Injection Attacks

A mere precaution rather than cure

Now, Google made software that’s more like the first level of defense, which helps users to sense any potential attacks. As the software, called USB Keystroke Protection aims for alerting the user rather than completely vanishing it. It’s more like a precaution rather than a cure. Yet, it’s useful for at least knowing the incoming threat.

While these keystrokes are initially developed for helping admins in few system tasks, but it’s re-engineered by attackers to run malicious code for their advantage. Sebastian Neuner from Google’s Information Security Engineering Team said,

“The tool is not a silver bullet against USB-based attacks or keystroke injection attacks since an attacker with access to a user’s machine (required for USB-based keystroke injection attacks) can do worse things if the machine is left unlocked.”

This software tool will block any keystroke injection devices and works along with any existing USB defense tools as USBGuard. It monitors and collects Information about potential USB threats and logs into Syslog. Further, it even ejects the USB drive from OS by unbinding the driver if needed. The tool’s an open-source, thus free to use. It’s available on Google’s GitHub page for download. It’s like a favor Google doing for Linux, for using its kernels as an Android base.

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