Category Archives: Microcin

MoonBounce: the dark side of UEFI firmware

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At the end of 2021, we inspected UEFI firmware that was tampered with to embed a malicious code we dub MoonBounce. In this report we describe how the MoonBounce implant works and how it is connected to APT41. Continue reading MoonBounce: the dark side of UEFI firmware→

Use of ‘StegWare’ Increases in Stealth Malware Attacks

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Researchers are warning malware payloads can bypass traditional AV protection when delivered buried inside images, documents or even just a pixel. Continue reading Use of ‘StegWare’ Increases in Stealth Malware Attacks→