Embedded devices without radios can receive wireless commands via parasitic RF sensitivity in PCB traces and ADCs, enabling infiltration of air-gapped systems at up to 100 kbps from tens of meters.
Sensing-enabled channels for hard-to-detect command and control of mobile devices
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Talking to the Airgap: Exploiting Radio-Less Embedded Devices as Radio Receivers
Embedded devices without radios can receive wireless commands via parasitic RF sensitivity in PCB traces and ADCs, enabling infiltration of air-gapped systems at up to 100 kbps from tens of meters.