Effective post-compromise remote access tool detection has become an essential component of modern cybersecurity operations, as threat actors increasingly exploit both bespoke and legitimate administration tools to maintain footholds within compromised environments. The nuanced use of remote access tools, including living-off-the-land techniques and dual-use software, complicates efforts to distinguish malicious activity from authorized operations. As attackers blend in with routine administrative tasks, organizations must adopt a holistic approach integrating behavior-based monitoring, advanced endpoint detection, and diligent network segmentation. Failure to identify post-compromise remote access tools in a timely manner can enable prolonged adversary presence, facilitate credential theft, and ultimately lead to significant data breaches or operational disruptions.