Catch Me If You Can: Dynamic Concealment of Network Entities

Daniel Fraunholz, Daniel Krohmer, S. D. Antón, H. Schotten
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引用次数: 7

Abstract

In this paper, a framework for Moving Target Defense is introduced. This framework bases on three pillars: network address mutation, communication stack randomization and the dynamic deployment of decoys. The network address mutation is based on the concept of domain generation algorithms, where different features are included to fulfill the system requirements. Those requirements are time dependency, unpredictability and determinism. Communication stack randomization is applied additionally to increase the complexity of reconnaissance activity. By employing communication stack randomization, previously fingerprinted systems do not only differ in the network address but also in their communication pattern behavior. And finally, decoys are integrated into the proposed framework to detect attackers that have breached the perimeter. Furthermore, attacker's resources can be bound by interacting with the decoy systems. Additionally, the framework can be extended with more advanced Moving Target Defense methods such as obscuring port numbers of services.
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抓我如果你可以:网络实体的动态隐藏
本文介绍了一种移动目标防御的框架。该框架基于三个支柱:网络地址突变、通信栈随机化和诱饵的动态部署。网络地址突变是基于域生成算法的概念,在域生成算法中加入不同的特征来满足系统的需求。这些要求是时间依赖性、不可预测性和决定论。为了增加侦察活动的复杂性,还采用了通信堆栈随机化。通过采用通信栈随机化,以前的指纹系统不仅在网络地址上不同,而且在通信模式行为上也不同。最后,将诱饵集成到提议的框架中,以检测突破边界的攻击者。此外,攻击者的资源可以通过与诱饵系统交互而受到约束。此外,该框架还可以使用更先进的移动目标防御方法进行扩展,例如模糊服务的端口号。
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