NeedyMantis: Unpacking a Post-Compromise Malware Family Used in Targeted Operations
Microsoft, Monday, September 28th, 2026
Microsoft details NeedyMantis, a modular post-compromise malware framework used for long-term access in targeted intrusions.
Microsoft Threat Intelligence identified NeedyMantis, a modular post-compromise malware family seen in a limited number of targeted operations against telecommunications firms, universities, medical nonprofits, intergovernmental organizations and government contractors.
It is typically deployed after initial access to maintain long-term persistence and support follow-on operations, combining custom loaders, encrypted archives and extensible components.
The post covers its architecture, packaging, mitigation guidance, hunting queries and indicators of compromise.