Midnight Blizzard conducts targeted social engineering over Microsoft Teams

Credit to Author: Microsoft Threat Intelligence| Date: Wed, 02 Aug 2023 19:00:00 +0000

Microsoft Threat Intelligence has identified highly targeted social engineering attacks using credential theft phishing lures sent as Microsoft Teams chats by the threat actor that Microsoft tracks as Midnight Blizzard (previously tracked as NOBELIUM).

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Detecting and preventing LSASS credential dumping attacks

Credit to Author: Paul Oliveria| Date: Wed, 05 Oct 2022 16:00:00 +0000

LSASS credential dumping is becoming prevalent, especially with the rise of human-operated ransomware. In May 2022, Microsoft participated in an evaluation conducted by AV-Comparatives specifically on detecting and blocking this attack technique and we’re happy to report that Microsoft Defender for Endpoint achieved 100% detection and prevention scores.

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Detecting credential theft through memory access modelling with Microsoft Defender ATP

Credit to Author: Eric Avena| Date: Thu, 09 May 2019 17:29:45 +0000

Microsoft Defender ATP instruments memory-related function calls such as VirtualAlloc and VirtualProtect to catch in-memory attack techniques like reflective DLL loading. The same signals can also be used to generically detect malicious credential dumping activities performed by a wide range of different individual tools.

The post Detecting credential theft through memory access modelling with Microsoft Defender ATP appeared first on Microsoft Security.

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