Covert Channels
Title: Detecting Covert Channels in TCP/IP Header with the Use of Naive Bayes Classifier
... Abstract— Covert channels via the widely used TCP/IP protocols have become a new challenging issue for network ...a covert channel. It may be a good thing if covert channels are used to ...
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Undermining Isolation through Covert Channels in the Fiasco.OC Microkernel
... the covert channels needed to exfiltrate the call data into an unprotected compartment is sufficient for voice calls if com- pressed with modern algorithms, which need (∼ 4000 ...
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Syngress Hacking a Terror Network The Silent Threat of Covert Channels pdf
... tomorrow.The background noise was comforting and blocked out the kids on the sidewalk below apparently making as much noise as their small bodies were capable of. He swung his legs over the side of the bed and sat ...
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Detect Covert Channels in TCP/IP Header using Naive Bayes
... TCP ISN based covert channel is known as NUSHU for linux operating system it has been developed. As linux operating system is open to public, it’s easy to implement nushu on it. To detect nushu covert ...
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Detecting Selected Network Covert Channels Using Machine Learning
... the detection mechanism should be implemented before the elimination one. There are mainly three strategies to detect network covert channels: signature-based, anomaly-based and specification-based [19]. ...
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An Empirical Bandwidth Analysis of Interrupt-Related Covert Channels
... interrupt-related covert channels [MS07, MS09], which exploit that operating system and userland processes typically share ...These channels leverage that hardware devices communicate with the ...
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Voltage-based Covert Channels in Multi-Tenant FPGAs
... Covert channels are a way to secretly exfiltrate information from a system, and can thus be used to impact security [Gir87, ...a covert channel [PAK99]. Specifically voltage-based covert ...
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An Exploration of covert channels within voice over IP
... of covert channels within Voice over ...based, covert channel identifying program will be discussed, based on the work of Keita Fujii [7] and then modified by Patrick Lloyd with the help of Sean ...
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A Survey Of Covert Channels In Bittorrent Network
... BT covert channels, the first one is known as Bitfield Field Reusage (BFR) covert channel by reusing the payload field of the Bitfield message, and the second one is called Piece Field Reusage (PFR) ...
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Embedding Covert Channels into TCP/IP
... Steganographic covert channels based on modification of network protocol header values are best understood by considering a scenario with three actors; in keep- ing with the existing literature, we shall ...
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On Covert Data Communication Channels Employing DNA Recombinant and Mutagenesis-based Steganographic Techniques
... Different methods of steganographic techniques were used from ancient times to hide secret messages including: invisible inks, microdots, character shifting arrangements, digital signatures, and covert ...
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Secure Communication Using Covert Channel DWT/Matrix
... 1) Covert channel is malicious communication in secured ...mechanism, covert channel is threat in legitimate communication. Covert channel means a channel with ‘secret communication technique’ ...
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A New covert channel over RTP
... timestamp used for a particular stream increments by a certain amount, detection could focus on looking for variations from this expected increment. Such detection attempts could suffer from false positives, given the ...
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STEGANOGRAPHY: THE ART OF COVERT COMMUNICATION
... Protocol Steganography: When taking cover object as network protocol such as TCP, UDP, ICMP, IP etc. Where protocol is used as carrier is known as network protocol Steganography. In the OSI network layer model there ...
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EXPLOIT DELIVERY USING STEGANOGRAPHY AS COVERT CHANNEL 1
... This paper discusses delivering exploits “malicious code” to victims using digital steganography by encoding JavaScript code inside the image pixels which are then decoded using an HTML 5 Canvas element that allows for ...
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Steganalysis of compressed speech to detect covert voice over Internet protocol channels
... network covert channels. The network covert channel is a passage along which information leaks across the network in violation of security policy in a completely undetectable ...
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IP Covert Timing Channels: Design and Detection
... In this initial exploration, our focus is on whether we can create mechanisms that can detect covert channels in IP traffic. To this end we have developed and experimented with two different methods. As we ...
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Covert Security with Public Verifiability: Faster, Leaner, and Simpler
... of covert security is not fully satisfactory. Covert security only ensures that when cheating is unsuccessful, the honest party detects the fact that cheating took place—but it provides no mechanism for the ...
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From covert to overt: the role of crisis in transforming racism
... and covert, making it very difficult to identify or to ...of covert racism into overt racism and expressed in actions that impacted very adversely on minority groups in ...
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Grey is the new black : covert action and implausible deniability
... deniable covert actions, while much current activity takes place within a deliber- ately broad framework, thereby circumventing the more rigid ‘neither apparent nor acknowledged’ approach of the United ...and ...
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