Publications

The changing antivirus landscape

I recall coming into the anti-virus business when there were less than 100 viruses [including variants] and the fingers of two hands were sufficient to create your own ‘wild list’.

How things have changed! At that time, the prospect of hundreds [rather than tens] of viruses caused alarm, raising questions of how anti-virus vendors would cope with such a ‘glut’.

And yet here we are with more than 100,000 records in the Kaspersky database and nobody blinks an eye! And so many Trojans [whether backdoors, downloaders, proxies or keyloggers] are received from the field that the value of any ‘wild list’ is now questionable.

The changing antivirus landscape

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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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