And the Bagles just keep on coming

A quick update: over the last twenty four hours, we had eleven new Bagle variants, from to Bagle.cj. Some of them were new versions, and some were old variants which had been repacked.

All the new versions were either spammed, or placed on sites for download. They’re being used to ensure that the Bagle botnet survives.

A very old Bagle variant was also spammed; it had been repacked using a new version of the packing program.

The Bagle bakery is clearly still in business, but hasn’t come up with any new recipes for a while.

And the Bagles just keep on coming

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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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