Software

Patch Tuesday: a friendly reminder

Yesterday Microsoft published its regular monthly security bulletins. One of them (MS06-066) addresses a vulnerability rated ‘Important’; the others (MS06-067 through MS06-071) fix a series of vulnerabilities rated ‘Critical’.

Further details can be found here.

As usual, make sure you patch your system(s) as soon as possible, to minimise your exposure to malicious code.

Patch Tuesday: a friendly reminder

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Reports

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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