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undefend

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Letlaka / redsun-bluehammer-undefend-detection-pack

Microsoft Defender XDR KQL detections for RedSun, BlueHammer, UnDefend, and CVE-2026-33825-related Defender abuse behaviors.

privilege-escalation windows-security detection-engineering microsoft-defender advanced-hunting redsun microsoft-defender-xdr defender-xdr kql-threathunting threat-detection-windows bluehammer undefend cve-2026-33825

Updated May 5, 2026

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