Did You See That? A Covert Channel Exploiting Recent Legitimate Traffic. (arXiv:2212.11850v1 [cs.CR])

Covert channels are unforeseen and stealthy communication channels that
enable manifold adversary scenarios, such as the covert exfiltration of
confidential data or the stealthy orchestration of botnets. However, they can
also allow the exchange of confidential information by journalists. All covert
channels described until now therefore need to craft seemingly legitimate
information flows for their information exchange, mimicking unsuspicious
behavior.

In this paper, we present DYST (Did You See That?), which represents a new
class of covert channels we call …

channel covert covert channel exploiting traffic