Respotter, an open-source honeypot, has been developed to identify potential attackers who deploy Responder within a network environment. This innovative application works by detecting active instances of Responder through the exploitation of its response behavior to DNS queries.
By utilizing LLMNR, mDNS, and NBNS protocols, Respotter initiates queries for a non-existent hostname, typically set as “Loremipsumdolorsitamet”. If any of these queries elicit a response, it indicates the presence of Responder operating within the network. This early detection mechanism can help organizations preemptively identify and address security threats before they escalate.
One of the key features of Respotter is its capability to send webhooks to popular communication platforms such as Slack, Teams, or Discord. Additionally, it can forward events to a syslog server for ingestion by a Security Information and Event Management (SIEM) system. This seamless integration with existing tools enhances the overall security posture of an organization, enabling proactive threat mitigation strategies.
The brain behind Respotter is Baden Erb, who conceived the idea out of the necessity for a user-friendly and lightweight Responder Honeypot. Reflecting on his journey with red-teaming, Erb realized the absence of a suitable solution and took it upon himself to develop Respotter. His deliberate inclusion of specific features was aimed at addressing the unique challenges faced by security professionals in detecting and neutralizing potential threats effectively.
As part of his commitment to fostering collaboration and knowledge sharing within the cybersecurity community, Erb has made Respotter freely available on GitHub. This decision aligns with the ethos of open-source software development, encouraging peer review, feedback, and iterative improvements from a diverse pool of contributors.
In a landscape characterized by evolving cyber threats and sophisticated attack vectors, tools like Respotter play a crucial role in enhancing the resilience of organizations against malicious actors. By empowering security teams with advanced detection capabilities, Respotter enables proactive threat hunting and incident response, minimizing the impact of security breaches and ensuring business continuity.
In conclusion, Respotter represents a significant advancement in the realm of threat detection and mitigation, offering organizations a powerful tool to safeguard their digital assets and intellectual property. As cyber threats continue to proliferate, the proactive deployment of innovative solutions like Respotter is imperative to stay one step ahead of adversaries and protect sensitive data from unauthorized access and exploitation.

