Network Protocol Covert Channels: Countermeasures Techniques

Elsadig, Muawia A.; Fadlalla, Yahia A.

doi:10.1109/ieeegcc.2017.8447997

Cited by 19 publications

(11 citation statements)

References 54 publications

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“…Here, we explore the latter Most covert channel schemes are designed for the data link layer or higher, using, for example reserved fields, time delays, packet corruptions, etc. [29]- [31].…”

Section: Related Workmentioning

confidence: 99%

Passive and Active Wireless Device Secure Identification

2020

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Secure wireless device identification is necessary if we want to ensure that any transmitted data reach only a desired receiver. However the fact that wireless communications are by nature broadcast creates unique challenges such as identity theft, eavesdropping for data interception, jamming attacks to disrupt legitimate transmissions, etc. This paper proposes a new integrated radioprint framework (IRID) that has two main components. First, we propose a machine learning-based radio identification solution that relies on hardware variabilities of internal components of the transmitter caused during manufacturing, allowing us to achieve passive device identification. Second, we introduce a new kind of covert channel, based on variations in the emitted signal strength, which allows us to implement unique active device identification. We evaluate our proposed framework on an experimental test-bed of 20 identical WiFi devices. Although our experiments deal only with IEEE 802.11b, the approach can easily be extended to any wireless protocol. The experimental results show that our proposed solution can differentiate between network devices with accuracy in excess of 99% on the basis of a standard-compliant implementation.

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Section: Related Workmentioning

confidence: 99%

Passive and Active Wireless Device Secure Identification

2020

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“…Moreover, Swaminathan and Vivekanandan [39] stated that; nowadays, the covert communication in WSNs become popular and emerging problem. Interested readers in covert channels are referred to [40][41][42].…”

Section: Layer-based Classificationmentioning

confidence: 99%

Security Issues and Challenges on Wireless Sensor Networks

Elsadig¹

2019

IJATCSE

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Wireless Sensor Networks (WSNs) are emerging as a rich field of active research that is involved different aspects. Nowadays, sensors are used in many domains as applications that can monitor and control. These domains include applications such as environmental, home, commercial, military, health, etc. WSNs are used in numerous applications that involves sensitive information needs to be secure and confidential. Especially in applications that deal with top secret information such as military applications. Therefore, the important of security issues in WSNs have received potential attention from designers, developers, and security professionals. Moreover, this type of network is highly vulnerable to numerous security attacks due to its resource constraints and mobility. This paper gives comprehensive details in WSN constraints, vulnerabilities, and security attacks. In addition, the paper investigates the recent countermeasures that are used to counter WSN attacks in terms of their achievements and limitations. The paper concludes that security is the key to success for WSN applications, However, still many critical security problems are remained unsolved. Moreover, when designing an adequate security solution; productivity, usability, mobility, resource constraints and privacy preservation should all be taken into account. Therefore, a huge challenge still facing researchers and designers to bring up sufficient solutions to secure WSN applications.

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“…Recently, Elsadig and Fadlalla summarized some factors that have the most impact on developing covert channels and magnifying their threats [6]. These factors involve:  The advanced development in network technology, the Internet of Things (IoT) which represents a rich area of different scenarios of covert channels, cloud computing, data centers and virtualization techniques  Switching techniques, in which a covert channel can switch itself from one protocol to another or from one field to another in a given protocol or from one network segment to another.…”

Section: Covert Channel Developmentmentioning

confidence: 99%

“…Actually, many methods have been developed to leak conditional information based on network packet-length. Recently, this type of covet channel has received attention due to its undetectable features [5,6].…”

Section: Introductionmentioning

confidence: 99%

Packet Length Covert Channels Crashed

Elsadig¹,

Fadlalla²

2018

JCSCM

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Advanced developments in network security tools and techniques have inspired attackers to find alternative ways to bypass them. A network covert channel is a wide-open door for attackers to leak confidential information or to convey malicious activities without being detected. Moreover, the rapid development in network technology and its applications provides a rich platform for developing different covert channel scenarios. A packet length covert channel is a network illicit communication channel that is featured as one of the most difficult covert channels to detect. It generates a covert traffic that is typically similar to normal traffic; this renders such a channel to be virtually impossible to discover. This paper investigates one type of packet length covert channels which exploits the variation of the network packets' lengths to convey secret messages-this type of covert channels does not need any rules to be distributed prior to the initiation of a covert session as other packet length covert channels need. The paper contributes by presenting an elimination approach to resolve this type of covert channel. This approach is sufficiently capable to completely distort the communication session between any sender and receiver who wish to establish such a covert channel. The proposed approach is successfully tested and validated.

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Network Protocol Covert Channels: Countermeasures Techniques

Cited by 19 publications

References 54 publications

Passive and Active Wireless Device Secure Identification

Passive and Active Wireless Device Secure Identification

Security Issues and Challenges on Wireless Sensor Networks

Packet Length Covert Channels Crashed

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