Security Experts:

Connect with us

Hi, what are you looking for?



‘BadUSB’ Code Published

Two researchers have released attack code for the ‘BadUSB’ issue first revealed at the Black Hat conference earlier this summer.

Two researchers have released attack code for the ‘BadUSB’ issue first revealed at the Black Hat conference earlier this summer.

Researchers Adam Caudill and Brandon Wilson presented on the vulnerability at Derbycon 4.0 conference last week in Louisville. Wilson and Caudill reversed-engineered USB firmware and reprogrammed it to launch various attacks. They then took the extra step of posting the attack code to GitHub.

“The belief we have is that all of this should be public,” Wired quoted Caudill as telling the audience at Derbycon last week. “It shouldn’t be held back. So we’re releasing everything we’ve got. This was largely inspired by the fact that [SR Labs] didn’t release their material. If you’re going to prove that there’s a flaw, you need to release the material so people can defend against it.”

Among the attack scenarios discussed by Caudill and Wilson are using the USB device to emulate a keyboard and issue commands on behalf of a logged-in user to exfiltrate data or install malware.

The research follows a presentation at Black Hat from researchers Jakob Lell and Karsten Nohl that first revealed the issue. At Black Hat, Nohl and Lell also noted that an attacker could boot a small virus prior to the operating system booting up, or use the device to spoof a network card and alter a computer’s DNS settings to redirect traffic.

The problem, according to the researchers, is that the USB controller chips in peripherals can be reprogrammed to spoof other devices and there’s little or no protection to prevent anyone from doing so.

“If the only people who can do this are those with significant budgets, the manufacturers will never do anything about it,” Caudill told Wired. “You have to prove to the world that it’s practical, that anyone can do it…That puts pressure on the manufactures to fix the real issue.”

Related: USB Device Firmware Can Be Reprogrammed to Hide Sophisticated Malware

Written By

Click to comment

Expert Insights

Related Content

Cloud Security

VMware vRealize Log Insight vulnerability allows an unauthenticated attacker to take full control of a target system.

IoT Security

Lexmark warns of a remote code execution (RCE) vulnerability impacting over 120 printer models, for which PoC code has been published.

Mobile & Wireless

Apple rolled out iOS 16.3 and macOS Ventura 13.2 to cover serious security vulnerabilities.

Email Security

Microsoft is urging customers to install the latest Exchange Server updates and harden their environments to prevent malicious attacks.

Mobile & Wireless

Technical details published for an Arm Mali GPU flaw leading to arbitrary kernel code execution and root on Pixel 6.


Security researchers have observed an uptick in attacks targeting CVE-2021-35394, an RCE vulnerability in Realtek Jungle SDK.


Google has awarded more than $25,000 to the researchers who reported the vulnerabilities patched with the release of the latest Chrome update.

Mobile & Wireless

Apple’s iOS 12.5.7 update patches CVE-2022-42856, an actively exploited vulnerability, in old iPhones and iPads.