As organizations increasingly rely on RMM tools and PSA software for efficient oversight of their IT environments, threat actors are capitalizing on the significant opportunities these platforms provide for unauthorized access. Not only is RMM software trusted, but it is also deeply integrated into network operations, allowing malicious activities that utilize these tools often to blend seamlessly with legitimate network traffic and thereby complicating detection efforts. With threat actors continually evolving their tactics, the likelihood of illicit RMM usage will be steady or increase.

To mitigate the escalating risks associated with RMM tools, a comprehensive defense strategy is critical. Detection efforts should include deploying endpoint detection and response (EDR) platforms, conducting network traffic analysis and utilizing behavior-based intrusion detection systems (IDSs) that are tuned specifically to recognize RMM-related activities. It also is vital to enforce stringent application allow listing and implement tight access controls that permit only vetted, preapproved RMM software across the organization, thereby minimizing the attack surface.

Additionally, security teams are advised to undertake threat hunting exercises routinely to detect early signs of misuse, such as anomalous network connections or other suspicious activities that may suggest unauthorized access. Below are several free threat hunt packages for the RMM software described in this blog post. This content is available in the Community Portal of the HUNTER threat hunting platform.

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