Dynamic Rule Generation for Enterprise Intrusion Detection
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Solution Overview
Problem
Traditional enterprise intrusion detection systems lack scalability and effective communication across components, making it difficult to quickly update intrusion signatures and detect long-term attacks.
Innovation Solution
A vertically extensible intrusion detection system that dynamically generates rules by processing packet flows to detect attacks, automatically generating response messages and communicating them across multiple logical levels, enabling enterprise-wide deployment of dynamic signatures and reducing information volume between system levels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional intrusion detection systems use multiple analysts to evaluate network data with various tool implementations, then detection capability is improved, but system complexity and operational cost increase
Solution Approach 1:
The system automatically generates intrusion detection rules by processing packet flows and detecting attacks without requiring multiple human analysts. The rule generation is performed autonomously by the IDS itself, which processes network data, identifies attack patterns, and creates detection rules automatically, eliminating the need for complex manual analysis operations
Solution Approach 2:
The patent replaces the mechanical system of multiple human analysts manually evaluating data with an automated computational system. The IDS uses algorithmic processing of packet flows and automatic pattern recognition to substitute human analytical operations, thereby reducing operational complexity while maintaining or improving detection capability
2Adaptability or versatility
If traditional IDS lack ability to quickly update intrusion signatures at large number of nodes, then scalability is improved, but detection responsiveness deteriorates
Solution Approach 1:
The system implements dynamic rule generation where detection rules are continuously updated based on real-time analysis of packet flows. The IDS adapts its detection capabilities dynamically by processing incoming network data and automatically generating updated rules, allowing rapid response to new attack patterns across all nodes without requiring manual signature updates
Solution Approach 2:
The system performs preliminary analysis of packet flows to detect attack patterns and generate detection rules in advance. By continuously monitoring and analyzing network traffic, the IDS prepares detection rules proactively, enabling rapid deployment of new signatures across the enterprise network before attacks occur or as soon as they are detected
3Adaptability or versatility
If conventional IDS do not include capability to effectively detect long-term attacks, then detection scope is improved, but ability to detect slow attacks deteriorates
Solution Approach 1:
The system implements continuous processing of packet flows to detect attacks over extended periods. The IDS maintains ongoing analysis of network traffic, accumulating data and patterns over time to reliably detect slow, low-level attacks that unfold across multiple time intervals, ensuring continuous detection coverage without gaps
Solution Approach 2:
The system uses feedback from continuous packet flow analysis to improve detection of long-term attacks. By monitoring network traffic over extended periods and using the accumulated information to refine detection rules, the IDS enhances its ability to identify gradual or persistent attack patterns that develop over time
Data Source
AI summary
A method for dynamically generating rules for an enterprise intrusion detection system comprises receiving a packet flow from a sensor. The packet flow is dynamically processed to detect if the packet flow represents an attack on the enterprise system. A response message is automatically generated in response to the attack, the response message comprising a signature to identify the attack. The response message is automatically communicated to a response message file, the response message file comprising at least one response message.