Trojans masquerade as Microsoft AntiSpyware

The computer underground keeps a close eye on Microsoft. The AntiSpyware tool, despite being only a beta, has already inpsired new malware:

We urge users to treat unsolicited files from the Internet with suspicion. These Trojans have been added to our databases and descriptions will be available soon.

Update A description for is now available.

Trojans masquerade as Microsoft AntiSpyware

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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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