Smile for the malware. [Research Saturday]

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October 18, 2025 • 28 mins

Eclypsium researchers Jesse Michael and Mickey Shkatov to share their work on "BadCam - Now Weaponizing Linux Webcams." Eclypsium researchers disclosed “BadCam,” a set of vulnerabilities in certain Lenovo USB webcams that run Linux and do not validate firmware signatures, allowing attackers to reflash the devices and turn them into BadUSB-style tools. An adversary who supplies a backdoored camera or who gains remote code execution on a host can weaponize the webcam to emulate human-interface devices, inject keystrokes, deliver payloads, and maintain persistence — even re-infecting systems after OS reinstalls. The findings were presented at DEF CON 2025, Lenovo issued updated firmware/tools in coordination with SigmaStar, and researchers warn the same vector could affect other Linux-based USB peripherals, underscoring the need for firmware signing and stronger device attestation. The research can be found here: BadCam: Now Weaponizing Linux Webcams Learn more about your ad choices. Visit megaphone.fm/adchoices

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.css-14f5ked{margin:0;word-break:break-word;display:-webkit-box;-webkit-box-orient:vertical;box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;}Smile for the malware. [Research Saturday]