Detection of dns based covert channels

Author: plro

August undefined, 2024

WebA covert channel is an information channel that is used by the computer process to exfiltrate data through bypassing security policies. The DNS protocol is one of the important ways to implement a covert channel. DNS covert channels are easily used by attackers for malicious purposes. Therefore, an effective detection approach of the DNS covert … WebName Server (DNS) trafﬁc in the communication control phase is an effective way of detecting APT attacks. However, analyzing APT attacks based on trafﬁc usually involves the detection of a vast amount of DNS trafﬁc, and current data preprocessing methods do not scale down data effectively, leading to low detection efﬁciency.

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WebDec 8, 2016 · DNS covert channels can be used to bypass a Wi-Fi paywall to avoid paying a service fee, or to run an unapproved application from a work computer. They can also be used to tunnel other Internet protocols such as Secure Shell, IP or even Tor. Cyberattackers can use a DNS covert channel in a more dishonest way, such as a communications … WebJan 26, 2015 · Master's practicum project: Designed and implemented a system for detecting DNS covert channels using machine learning and statistical techniques. M.S. Information Security chimney on 911

Covert Channels - Detecting DNS Tunnelling

WebDec 9, 2024 · In this paper, in order to accurately detect Domain Name System (DNS) covert channels based on DNS over HTTPS (DoH) encryption and to solve the problems of weak single-feature … WebJul 13, 2024 · The advanced persistent threat (APT) is one of the most serious threats to cyberspace security. Posting back of exfiltrated data by way of DNS covert channels … WebJul 18, 2024 · Covert channel communications are of vital importance for the ill-motivated purposes of cyber-crooks. Through these channels, they are capable of communicating in a stealthy way, unnoticed by the … chimney one

Detection of thermal covert channel attacks based on …

FF-MR: A DoH-Encrypted DNS Covert Channel …

WebDec 8, 2016 · DNS covert channels can be used to bypass a Wi-Fi paywall to avoid paying a service fee, or to run an unapproved application from a work computer. They can also … WebCovert channels based on DNS traffic are of particular interest, as DNS requests are an essential part of most Internet traffic and as a result are rarely filtered or blocked by … graduate town planning jobsWebOct 4, 2024 · Detecting covert channels among legitimate traffic represents a severe challenge due to the high heterogeneity of networks. Therefore, we propose an effective … graduate thesis writing

"WebFeb 25, 2013 · tools can also be used as a covert channel for malware . For example, Feederbot (Dietrich, 2011) and Moto (Mullaney, 2011) are known to use DNS as a communication method. DNS tunnel ing poses a significant threat and there are methods to detect it. DNS tunnels can be detected by analyzing a single DNS payload or by traffic … " - Detection of dns based covert channels

Detection of dns based covert channels

Naruto: DNS Covert Channels Detection Based on …

WebOct 28, 2024 · An IPv6 covert channel detection method based on field matching (CC-Guard) is proposed, and a typical IPv6 network environment is built for testing, showing that the CC-Guard not only can detect more covert channels consisting of IPv6 extension headers and ICMPv6 headers, but also achieves real-time detection with a lower … WebAbstract The Domain Name System (DNS) is indispensable for almost all Internet services. It has been extensively studied for applications such as anomaly detection. However, the fundamental questio...

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WebMay 1, 2024 · DNS covert channel detection method using the LSTM model 1. Introduction. The domain name system (DNS) is a decentralized system that provides a worldwide … WebAug 16, 2016 · Since DNS data is often poorly monitored and frequently allowed to pass through the firewall, it is an ideal candidate for a covert channel. DNS packets can be used to create a hidden data channel (covert channel). There are seemingly numbers of ways to hide data in legitimate DNS packets. The detection of a covert channel is based on …

WebApr 12, 2024 · HIGHLIGHTS who: Xiaohang Wang and collaborators from the This research program was supported in part by the National Natural Science Foundation of China under Grant, in part by Fundamental Research … Detection of thermal covert channel attacks based on classification of components of the thermal signal features Read Research » WebThe domain name system (DNS) plays a vital role in network services for name resolution. By default, this service is seldom blocked by security solutions. Thus, it has been …

Web9) M. S. Sheridan and A. Keane, "Detection of dns based covert channels", ECCWS2015-Proceedings of the 14th European Conference on Cyber Warfare and Security 2015: ECCWS 2015, pp. 267, 2015. 10) H. Binsalleeh, A. M. Kara, A. Youssef and M. Debbabi, "Characterization of covert channels in dns", New Technologies Mobilityand … WebAug 16, 2016 · DNS anamoly detection. There are worms and malicious programs to generate DNS packets that violate the format of a valid DNS header. This can be …

WebA covert channel is an information channel which is used by computer process to exfiltrate data through bypassing security policies. The DNS protocol is one of the important …

WebMy Ph.D. titled, "Detection of DNS-based Covert Channels using Machine Learning: A study of data exfiltration over DNS with a focus on filtering malicious query strings from benign DNS traffic" was carried out in the Security Research lab on the Blanchardstown campus. My research involved the application of machine learning techniques to detect ... graduate toyotaWebJan 1, 2015 · The covert channel attack is used to transfer information that is not allowed by the security policy. Sheridan and Keane [142] … chimney old houseWebMar 1, 2024 · An approach to detect covert channels (C2-channels) based on the DNS protocol is considered. It involves identifying beacon signals or certain traffic signatures, which, in turn, are indicative of malware activity. An analysis of samples of real DNS traffic is carried out followed by approximation using a known statistical distribution. The time … chimney on 9-1-1 graduate town planners 2024WebSep 30, 2024 · Bypassed DNS layer-based security defenses (blacklisted domains) that could previously be blocked in the DNS resolving stage, now can only be blocked after DNS resolving at the proxy gateway. ... threat actors could potentially mask their covert channels and domains from detection, as the DNS requests are encapsulated within the “payload ... chimney onlineWebSep 13, 2024 · The following attributes are used: volume of DNS traffic per IP address, volume of DNS traffic per domain, number of hostnames per domain, geographic location of DNS server, domain history, volume of NXDomain responses, visualization, orphan DNS requests and general covert channel detection. chimney on fireWebMy Ph.D. titled, "Detection of DNS-based Covert Channels using Machine Learning: A study of data exfiltration over DNS with a focus on filtering malicious query strings from … graduate thesis topics