Abstract
A typical analyst spends much time and effort investigating alerts from network intrusion detection systems (NIDS). Available NIDS rules for enterprise and industrial control systems are not always accompanied by high-level explanations that allow for building valid hypotheses about the attacker’s techniques and intentions. The plethora of rules and the lack of high-level information necessitates new automated methods for alert enrichment. Large language models, such as ChatGPT, encompass a vast amount of knowledge, including cyber threat intelligence such as ports and protocols (low-level) and MITRE ATT &CK techniques (high-level). Despite being a very new technology, ChatGPT is increasingly used in order to automate processes that experts previously performed. In this paper, we explore the ability of ChatGPT to reason about NIDS rules while labeling them with MITRE ATT &CK techniques. We discuss prompt design and present results on ChatGPT-3.5, ChatGPT-4, and a keyword-based approach. Our results indicate that both versions of ChatGPT outperform a baseline that relies on a-priori frequencies of the techniques. ChatGPT-3.5 is much more precise than ChatGPT-4, with a little reduction in recall.
| Original language | American English |
|---|---|
| Title of host publication | Computer Security. ESORICS 2023 International Workshops - CPS4CIP, ADIoT, SecAssure, WASP, TAURIN, PriST-AI, and SECAI, 2023, Revised Selected Papers |
| Editors | Sokratis Katsikas, Habtamu Abie, Silvio Ranise, Luca Verderame, Enrico Cambiaso, Rita Ugarelli, Isabel Praça, Wenjuan Li, Weizhi Meng, Steven Furnell, Basel Katt, Sandeep Pirbhulal, Ankur Shukla, Michele Ianni, Mila Dalla Preda, Kim-Kwang Raymond Choo, Miguel Pupo Correia, Abhishta Abhishta, Giovanni Sileno, Mina Alishahi, Harsha Kalutarage, Naoto Yanai |
| Publisher | Springer Science and Business Media Deutschland GmbH |
| Pages | 76-91 |
| Number of pages | 16 |
| ISBN (Print) | 9783031541285 |
| DOIs | |
| State | Published - 1 Jan 2024 |
| Event | International Workshops which were held in conjunction with 28th European Symposium on Research in Computer Security, ESORICS 2023 - The Hague, Netherlands Duration: 25 Sep 2023 → 29 Sep 2023 |
Publication series
| Name | Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) |
|---|---|
| Volume | 14399 LNCS |
Conference
| Conference | International Workshops which were held in conjunction with 28th European Symposium on Research in Computer Security, ESORICS 2023 |
|---|---|
| Country/Territory | Netherlands |
| City | The Hague |
| Period | 25/09/23 → 29/09/23 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 9 Industry, Innovation, and Infrastructure
Keywords
- Alerts investigation
- Cyber threat intelligence
- Natural language processing
All Science Journal Classification (ASJC) codes
- Theoretical Computer Science
- General Computer Science
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