Clustering of SSH brute-force attack logs using k-clique percolation

Studiawan, Hudan; Pratomo, Baskoro Adi; Anggoro, Radityo

doi:10.1109/icts.2016.7910269

Cited by 5 publications

(3 citation statements)

References 16 publications

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“…The paper now provides size-constrained clique applications and show how they can be solved using maximum k-clique and the maximum weight k-clique techniques. These applications include social network analysis [217], community detection [218]- [221], network monitoring [222], and bioinformatics and biomedicine [223].…”

Section: Applications Of the K-clique Problem Inmentioning

confidence: 99%

A Tutorial on Clique Problems in Communications and Signal Processing

et al. 2020

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Since its first use by Euler on the seven bridges of Königsberg problem, graph theory has shown excellent abilities in solving and unveiling the properties of multiple discrete optimization problems notably in communications and signal processing. The study of the structure of integer programs reveals equivalence with graph theory problems, which makes a large body of the literature readily available for solving and characterizing the complexity of these problems. This tutorial presents a framework for utilizing a particular graph theory problem, known as the clique problem, for solving communications and signal processing problems. In particular, the paper aims to illustrate the structural properties of problems that can be formulated as clique problems through multiple examples in communications and signal processing. To that end, the first part of the tutorial formulates and suggests various optimal and heuristic solutions for the clique problem and its variants. The tutorial, further, illustrates the use of the clique formulation and its variants through numerous contemporary examples in communications and signal processing, mainly in maximum access problem for non-orthogonal multiple access networks, throughput maximization using index coding and instantly decodable network coding, collision-free radio frequency identification networks, and resource allocation in cloud-radio access networks. The tutorial finally sheds light on the recent advances of such applications and discusses future research directions on the topics.

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Section: Applications Of the K-clique Problem Inmentioning

confidence: 99%

A Tutorial on Clique Problems in Communications and Signal Processing

et al. 2020

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“…This issue could create a big threat especially if the device was used for a critical function such as medical applications [28]. The second most common attack through all the versions was Bypassing one of the mechanisms that are used to start and initiate the SSH connection which could result in reducing the security as each one of the mechanisms and steps that are adopted by OpenSSH are meant to maintain the security as this is the main purpose of using SSH over the clear text telnet services [29]. Gaining the privileges was the third most common vulnerability on the OpenSSH through its all versions.…”

Section: Security Evaluation Of Raspbian and Ssh Various Versions Imp...mentioning

confidence: 99%

“…Gaining privileges is an extremely dangerous issue as having a non-root user gain-ing higher privileges will allow him to experiment a huge amount of open possibilities to manipulate the system and obtain full access and control over the system [30]. As it is always recommended to perform the updates for all the packages and tools including OpenSSH it is worth mentioning that the released versions of the OpenSSH in 2017 were having in total around six various vulnerabilities that are distributed over various categories [29]. At the same time, the 2015 OpenSSH releases recorded no published vulnerabilities at all.…”

Section: Security Evaluation Of Raspbian and Ssh Various Versions Imp...mentioning

confidence: 99%

Assessment and Hardening of IoT Development Boards

Alfandi

Hasan²,

Balbahaith

2019

Lecture Notes in Computer Science

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Internet of Things (IoT) products became recently an essential part of any home in conjunction with the great advancements in internet speeds and services. The invention of IoT based devices became an easy task that could be performed through the widely available IoT development boards. Raspberry Pi is considered one of the advanced development boards that have high hardware capabilities with a reasonable price. Unfortunately, the security aspect of such products is overlooked by the developers, revealing a huge amount of threats that result in invading the privacy and the security of the users. In this research, we directed our study to SSH due to its extensive adoption by the developers. It was found that due to the nature of the Raspberry Pi and development boards, the Raspberry Pi generates predictable and weak keys which make it easy to be utilized by MiTM attack. In this paper, Man in The Middle (MiTM) attack was conducted to examine the security of different variations provided by the SSH service, and various hardening approaches were proposed to resolve the issue of SSH weak implementation and weak keys.

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Realtime Risk Monitoring of SSH Brute Force Attacks

Fahrnberger

2022

Innovations for Community Services

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Clustering of SSH brute-force attack logs using k-clique percolation

Cited by 5 publications

References 16 publications

A Tutorial on Clique Problems in Communications and Signal Processing

A Tutorial on Clique Problems in Communications and Signal Processing

Assessment and Hardening of IoT Development Boards

Realtime Risk Monitoring of SSH Brute Force Attacks

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