Incidents

New Zafi, New cyberwar?

We detected a new variant of Zafi today, Zafi.c. The first two Zafi’s spread widely, so we plan to keep a close eye on how things go.

It seems that Zafi.c was written in Hungary. The difference between Zafi.a and Zafi.b is that the author decided to join the cyberwar between the Mydoom, Bagle and Netsky authors. He included the following message:

I-Worm.Zafi.c

New Zafi, New cyberwar?

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Reports

Kimsuky’s GoldDragon cluster and its C2 operations

Kimsuky (also known as Thallium, Black Banshee and Velvet Chollima) is a prolific and active threat actor primarily targeting Korea-related entities. In early 2022, we observed this group was attacking the media and a think-tank in South Korea.

Andariel deploys DTrack and Maui ransomware

Earlier, the CISA published an alert related to a Stairwell report, “Maui Ransomware.” Our data should openly help solidify the attribution of the Maui ransomware incident to the Korean-speaking APT Andariel, also known as Silent Chollima and Stonefly.

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