A rose by any other name?

The supposedly new version of Mydoom that is being discussed today is not new at all. We have been detecting it since July 26, 2004.

We detect the email worm some av vendors are calling version as Email-worm.Win32.Mydoom.m. The so-called new version is the same worm only only packed with a different packer – this time it was MEW, whereas in the summer it was UPX.

A rose by any other name?

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The leap of a Cycldek-related threat actor

The investigation described in this article started with one such file which caught our attention due to the various improvements it brought to this well-known infection vector.

Lazarus targets defense industry with ThreatNeedle

In mid-2020, we realized that Lazarus was launching attacks on the defense industry using the ThreatNeedle cluster, an advanced malware cluster of Manuscrypt (a.k.a. NukeSped). While investigating this activity, we were able to observe the complete life cycle of an attack, uncovering more technical details and links to the group’s other campaigns.

Sunburst backdoor – code overlaps with Kazuar

While looking at the Sunburst backdoor, we discovered several features that overlap with a previously identified backdoor known as Kazuar. Our observations shows that Kazuar was used together with Turla tools during multiple breaches in past years.

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