Bounty Hunter: Autonomous, Comprehensive Emulation of Multi-Faceted Adversaries

Fuente: arXiv
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Main Authors: Hackländer-Jansen, Louis, Uetz, Rafael, Henze, Martin
Format: Preprint
Published: 2025
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author Hackländer-Jansen, Louis
Uetz, Rafael
Henze, Martin
author_facet Hackländer-Jansen, Louis
Uetz, Rafael
Henze, Martin
contents Adversary emulation is an essential procedure for cybersecurity assessments such as evaluating an organization's security posture or facilitating structured training and research in dedicated environments. To allow for systematic and time-efficient assessments, several approaches from academia and industry have worked towards the automation of adversarial actions. However, they exhibit significant limitations regarding autonomy, tactics coverage, and real-world applicability. Consequently, adversary emulation remains a predominantly manual task requiring substantial human effort and security expertise - even amidst the rise of Large Language Models. In this paper, we present Bounty Hunter, an automated adversary emulation method, designed and implemented as an open-source plugin for the popular adversary emulation platform Caldera, that enables autonomous emulation of adversaries with multi-faceted behavior while providing a wide coverage of tactics. To this end, it realizes diverse adversarial behavior, such as different levels of detectability and varying attack paths across repeated emulations. By autonomously compromising a simulated enterprise network, Bounty Hunter showcases its ability to achieve given objectives without prior knowledge of its target, including pre-compromise, initial compromise, and post-compromise attack tactics. Overall, Bounty Hunter facilitates autonomous, comprehensive, and multi-faceted adversary emulation to help researchers and practitioners in performing realistic and time-efficient security assessments, training exercises, and intrusion detection research.
format Preprint
id arxiv_https___arxiv_org_abs_2512_15275
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Bounty Hunter: Autonomous, Comprehensive Emulation of Multi-Faceted Adversaries
Hackländer-Jansen, Louis
Uetz, Rafael
Henze, Martin
Cryptography and Security
Adversary emulation is an essential procedure for cybersecurity assessments such as evaluating an organization's security posture or facilitating structured training and research in dedicated environments. To allow for systematic and time-efficient assessments, several approaches from academia and industry have worked towards the automation of adversarial actions. However, they exhibit significant limitations regarding autonomy, tactics coverage, and real-world applicability. Consequently, adversary emulation remains a predominantly manual task requiring substantial human effort and security expertise - even amidst the rise of Large Language Models. In this paper, we present Bounty Hunter, an automated adversary emulation method, designed and implemented as an open-source plugin for the popular adversary emulation platform Caldera, that enables autonomous emulation of adversaries with multi-faceted behavior while providing a wide coverage of tactics. To this end, it realizes diverse adversarial behavior, such as different levels of detectability and varying attack paths across repeated emulations. By autonomously compromising a simulated enterprise network, Bounty Hunter showcases its ability to achieve given objectives without prior knowledge of its target, including pre-compromise, initial compromise, and post-compromise attack tactics. Overall, Bounty Hunter facilitates autonomous, comprehensive, and multi-faceted adversary emulation to help researchers and practitioners in performing realistic and time-efficient security assessments, training exercises, and intrusion detection research.
title Bounty Hunter: Autonomous, Comprehensive Emulation of Multi-Faceted Adversaries
topic Cryptography and Security
url https://arxiv.org/abs/2512.15275