New Mydoom variants now called Bofra, which we detected yesterday, and its modification, which we detected today, have both been renamed in our antivirus databases as I-Worm.Bofra.a and .b.

These worms used the source code of Mydoom, but most virus analysts agree that they are actually a new family. And we agree with this opinion.

  • is renamed as I-Worm.Bofra.b
  • is renamed as I-Worm.Bofra.a

P.S. We have just detected another modification of this worm, which will be named I-Worm.Bofra.c.

New Mydoom variants now called Bofra

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MoonBounce: the dark side of UEFI firmware

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.

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