Software

MS05-009 and MSN Messenger

As our Finnish friends at F-secure have already mentioned this in their blog, we won’t go over MS05-009’s details again.

You have to update MSN Messenger to the latest version for the vulnerability to be fixed.

The reason that we bring this up is that WindowsUpdate doesn’t update MSN Messenger as it isn’t a standard part of Windows.

Although there is an automatic update notification system present in MSNM, it can take a long time for it to actually inform the user about a newer version.

Given the severity of the vulnerability we recommend everyone to update MSN Messenger manually. You can get the latest version at http://messenger.msn.com/Download/.

MS05-009 and MSN Messenger

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Reports

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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