Transforming Memory Image to Sound Wave Signals for an Effective IoT Fingerprinting

As the need and adaptation for smart environments continue to rise, owing mainly to the evolution in IoT technology's processing and sensing capabilities, the security community must contend with increasing attack surfaces on our network, critical systems, and infrastructures. Thus, developing an effective fingerprint to deal with some of these threats is of paramount importance. As such, in this paper, we explored the use of memory snapshots for effective dynamic process-level fingerprints. Our technique transforms a memory snapshot into a sound wave signal, from which we then retrieve their distinctive Mel-Frequency Cepstral Coefficients (MFCC) features as unique process-level identifiers. The evaluation of this proposed technique on our dataset demonstrated that MFCC-based fingerprints generated from the same IoT process memory at different times exhibit much stronger similarities than those acquired from different IoT process spaces.