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CISA and Partners Release Update to Malware Analysis Report BRICKSTORM Backdoor ↗ source

December 19, 2025 NSA Analysis Report
Co-sealed by: CCCS, CISA, NSA

Summary

This update provides information on additional samples, including Rust-based samples. These samples demonstrate advanced persistence and defense evasion mechanisms, such as running as background services, and enhanced command and control capabilities through encrypted WebSocket connections. This product is provided subject to this Notification and this Privacy & Use policy.

News Coverage

No coverage found in monitored research blogs or news feeds.

CVEs Referenced in This Publication

No CVEs are referenced in this publication.

Vendors Named in This Publication

No KEV-catalogued vendors are named in this publication.