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All issues › Volume 342, Issue 5 › IT Vendor News › Microsoft

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.

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