信息安全系统的主要功能之一是识别任何访问对象,以便能够调查信息安全事件。在执行扫描和漏洞利用过程中,合格的攻击者

Q3 Mathematics
A. Iskhakov, A. Iskhakova, R. Meshcheryakov, Reda Bendraou, O. Melekhova
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引用次数: 2

摘要

信息安全系统的主要功能之一是识别任何访问对象,以便能够调查信息安全事件。在执行扫描和漏洞利用过程中,符合条件的攻击者会定期更改识别特征。这样的操作不仅会混淆子系统中的数据记录,从而使信息安全专家恢复事件时间顺序变得复杂,而且还会对特定对手参与特定非法操作的证据的不可辩驳性提出质疑。本文分析了不需要对主要用户进行身份验证的现代攻击者识别方法(指纹识别、行为特征分析)在网络资源中的应用。结合在网络分析中广泛应用的“热力图”、用户自适应的“用户-鼠标”系统动态模型和计算机模型,提出了在互联网现有信息资源中识别信息安全事件主体的方法。前瞻性方法的主要思想是:在建立热图时,不仅要考虑数据布局的密度,还要由专家定义统计参数(强度梯度的距离、距离重叠等)。作者还提出考虑用户操作的动态(例如,计算交互元素中数据输入的平均持续时间)。给出了适当技术的每个步骤的描述以及其实际实现的信息。通过实际实验验证了该方法的鲁棒性。所提供的技术并不是识别对手的通用工具。只考虑手动目标攻击,不考虑对手使用的cURL工具等。因此,除了工作保护系统(WAF, IPS, IDS)外,建议专门使用该技术。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
One of the main functions of an information security system is the identification of any access subject to be able to investigate information security incidents. During executing procedures of scanning and vulnerability exploitation, qualified adversaries
One of the main functions of an information security system is the identification of any access subject to be able to investigate information security incidents. During executing procedures of scanning and vulnerability exploitation, qualified adversaries regularly change identifying features. Such operations can not only obfuscate logging the data in subsystems, thus, complicating the restoring of events chronology for an information security expert but also call into question the irrefutability of the evidence of participation of particular adversary to particular illegal operations. In the paper analyses of application of modern approaches of adversary identification in web resources, which does not require authentification of main part of users, is given (fingerprinting, analysis of behavioral features). Along with widely used in web analytics “thermal maps”, user adapted profile and computer model of dynamics of “user-mouse” system, authors offer to identify the subjects of information security incident in readily available informational resources of the Internet. The main idea of the prospective approach consists of the following: when a thermal map is built, not only the density of data layout should be considered but also statistical parameters should be defined by an expert (the distance of intensity gradient, distance overlap, etc.). The authors also offer to consider the dynamics of user operations (e.g. calculation of the average duration of data entry into interactive elements). A description of each step of an appropriate technique and also information on its practical implementation are given. Robustness of the given approach is confirmed by a practical experiment. The offered technique is not a universal instrument of adversary identification . Only manual targeted attacks are considered, the cURL tools etc. used by adversaries are not taken into account. Therefore, it is recommended to use this technique exclusively in addition to working protective systems (WAF, IPS, IDS).
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来源期刊
SPIIRAS Proceedings
SPIIRAS Proceedings Mathematics-Applied Mathematics
CiteScore
1.90
自引率
0.00%
发文量
0
审稿时长
14 weeks
期刊介绍: The SPIIRAS Proceedings journal publishes scientific, scientific-educational, scientific-popular papers relating to computer science, automation, applied mathematics, interdisciplinary research, as well as information technology, the theoretical foundations of computer science (such as mathematical and related to other scientific disciplines), information security and information protection, decision making and artificial intelligence, mathematical modeling, informatization.
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