Dfs covert channels on multi-core platforms

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August undefined, 2024

Web2.We evaluate the proposed covert channels under the binary symmetric model. Results of our experiments are reported in Table 3. A discussion of our mem-ory controller-based covert channel against state-of-the-art covert is pro-vided. We also discuss potential mitigation strategies. Outline. The remainder of the paper is organized as follows. WebAug 8, 2024 · Command and Control Infrastructure, also known as C2 or C&C, is the set of tools and techniques that attackers use to maintain communication with compromised devices following initial exploitation. The specific mechanisms vary greatly between attacks, but C2 generally consists of one or more covert communication channels between …

DFS Covert Channels on Multi-Core Platforms GW Expert …

WebSuch dependency implies a covert channel threat in multi-core platforms. Specifically, the power status of the uncore reflects the workload pattern of the active core, and it can be probed by any process running on the processor. This allows the process to infer the workload information of the active core. WebFigure 4: Covert communication using Thermal Channels. We demonstrate that the temperature sensors on commodity multi-core platforms can be misused for covert communication by two colluding processes in spatially and temporally isolated systems. - "Thermal Covert Channels on Multi-core Platforms" diamond cutting blade for oscillating tool

C 3 APSULe: Cross-FPGA Covert-Channel Attacks through ... - Rese…

WebFor the 5 GHz bands that include DFS channels, clients are forbidden from performing active scans and must only use passive scanning. This can increase the time required to … WebWe implement this covert channel both in a single threaded and simultaneous multi-threading (SMT) environment and show the feasibility of such a communication. Our experiments on Intel Xeon server platform demonstrate dynamic frequency scaling covert channels that can achieve up to 20 bits/second. WebDec 5, 2024 · DFS covert channels on multi-core platforms. In 2024 IFIP/IEEE International Conference on Very Large Scale Integration (VLSI-SoC). IEEE, 1–6. … diamond cutting course near me

DFS covert channels on multi-core platforms IEEE …

Thermal covert channels on multi-core platforms Proceedings …

Webcreate a covert channel between two execution contexts running onthe same core but within two different SMTthreads. We call this covert channel IccSMTcovert. 3) IChannels exploits Multi-Throttling-Cores to create a covert channel between two execution contexts runningon two different physical cores. We call this covert channel IccCoresCovert. WebJan 16, 2024 · Most modern multi-core CPUs are implemented in System-on-a-Chip (SoC), where CPU and integrated Graphics Processing Unit (iGPU) share physical memory and some microarchitectures. iGPUs provide horsepower required by computeintensive tasks, taking off CPU's heavy workload. These tasks include rendering graphics, executing … circuit of a racetrackWebCovert channel analysis is a critical, yet challenging, security engineering task. Despite numerous descriptions of covert channel attacks on ground-based systems and networks, such attacks have not been examined in the context of data bus protocols used in commercial space platforms hosting government payloads. circuit of a torch

"WebJan 6, 2024 · The Distributed File System (DFS) functions provide the ability to logically group shares on multiple servers and to transparently link shares into a single … " - Dfs covert channels on multi-core platforms

Dfs covert channels on multi-core platforms

WebJan 25, 2024 · Video. A Distributed File System (DFS) as the name suggests, is a file system that is distributed on multiple file servers or multiple locations. It allows … WebSep 14, 2024 · Furthermore, this class of covert channels is only relevant to cloud platforms where hyperthreads are enabled. Other works proposed exploiting the LLC cache as it is fast and shared among cores. Xu et al. proposed exploiting conflict in the LLC. They used a covert channel to achieve co-location in an Amazon EC2 setting.

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Webtual memory [72], I/O devices [64], etc. These covert channels, however, still exploit the resources that par-ticular multi-core platforms, for performance and other reasons, share among the processes. The threats arising from covert and side channel attacks led to the develop-ment of mitigation techniques such as partitioning of the WebDFS covert channels on multi-core platforms Abstract: Covert channels provide a secret communication medium between two malicious processes to exfiltrate information stealthily that violates the security policy of a system. In this paper, we demonstrate a …

WebWe implement this covert channel both in a single threaded and simultaneous multi-threading (SMT) environment and show the feasibility of such a communication. Our … WebMurugappan Alagappan, Jeyavijayan Rajendran, Milos Doroslovacki and Guru Venkataramani, DFS Covert Channels on Multi-Core Platforms, 25th IFIP/IEEE …

Webment mechanism brings new covert and side channel vulnera-bilities to current multi-core and multi-processor platforms. It can be exploited to break down security protection mecha-nisms relying on resource partition and isolation, e.g., virtual machines (VMs). The revealed covert channel is based on two properties of the uncore power management ... WebMay 3, 2024 · The heat transfers are known as thermal covert channels (TCC) [].Thermal covert channels can be traced in multi-core systems. As in any communication system, a thermal covert channel includes a pair consisting of a transmitter and a receiver [].On the transmitter side, the temperature signals are generated from sensitive data such as user …

WebAlagappan M., Rajendran J., Doroslovački M., and Venkataramani G., “ Dfs covert channels on multi-core platforms,” in 2024 IFIP/IEEE International Conference on …

WebMar 24, 2015 · Our experiments on an x86-based platform demonstrate covert thermal channels that achieve up to 12.5 bps and a weak side channel that can detect processes … circuit of a full-wave rectifierWebJul 14, 2024 · This paper shows how the automatic frequency scaling provided by Intel Turbo Boost can be used to construct a covert channel that is both hard to prevent … circuit of bath walkWebOur experiments on an Intel Xeon server platform demonstrate covert thermal channels that achieve up to 12.5 bps and weak thermal side channels that can detect processes executed on neighbouring cores. This work therefore shows a limitation in the isolation that can be achieved on existing multi-core systems. circuit of bath walk routeWebApr 18, 2016 · Modern multicore processors feature easily accessible temperature sensors that provide useful information for dynamic thermal management. These sensors were recently shown to be a potential security threat, since otherwise isolated applications can exploit them to establish a thermal covert channel and leak restricted information. … circuit of bath walk julian houseWebside channels. Speciﬁcally, we show that the processor core temperature can be used both as a side channel as well as a covert communication channel even when the system implements strong spatial and temporal partition-ing. Our experiments on an x86-based platform demon-strate covert thermal channels that achieve up to 12.5 bps circuit of bath walk mapWebFeb 1, 2024 · Our experiments on an x86-based platform demonstrate covert thermal channels that achieve up to 12.5 bps and a weak side channel that can detect processes executed on neighbouring cores. diamond cutting polishing business planWebAbstract. Designing software for multicore platforms is a significant challenge, as one has to break-down the work into items that can run in parallel. In this chapter we address the … diamond cutting blades for wall groove