防护HID攻击的USB硬件外设的设计研究

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中图分类号：TP309.1 文献标识码：A 文章编号：2096-4706（2025）08-0025-05

Abstract： Aiming at the isue that existing operating system security mechanisms can not securely detect and protect the underlying firmwareof USB devices，this research explores howto monitorand prevent HIDmaliciousatack behaviorbased onacomparativeresearch onvarious defense means.Basedonthe STM32FO3 single-chipmicrocomputer，itdesignsahardware peripheralthatcanautomaticallmonitorUSBdevicesandinterceptHDatacksiatimelymaner.Theprotectionalgorithmof thedeviceisesigndandoptiized，andtargetedprotectiontestingexperimentsareonducted.Thexperimentalsultsow thatthe devicecanimplement fcientandautomaticintercption when necesarywithoutafectingthenoraloperationof USB devices，thereby protecting the security of the computer and its internal files.

Keywords： HID attack; Bad USB;USB protection; hardware peripheral

0 引言

研究目的与现状

信息安全在我们所处的这个时代显得尤为重要，除了来自熟知的软件方面的攻击，硬件攻击的手段也应引起足够的重视，其风险更高，危害更大，防范手段也很有限。（剩余5406字）