I'm really excited to see progress on the (HARD) problem of embedded emulation for security! Two recent and very promising papers:
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From EURECOM/UCSB/Sandia at RAID 2019, we have PRETENDER, which observes the execution of a real device and automatically builds models of its peripherals so that the firmware can be emulated (rehosted) in a virtual environment: https://www.usenix.org/conference/raid2019/presentation/gustafson …
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And recently accepted to USENIX Security 2020, Long Lu and his students have P²IM, which eschews real hardware altogether and tries to build peripheral models on the fly while fuzzing: https://arxiv.org/abs/1909.06472
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Needless to say, both have tons of limitations, and there is a long, LONG way to go before we can declare rehosting a solved problem. But this is an exciting start. :)
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Oh man, people are gonna be terrified of their peripherals.
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