Archive

Malware Calendar Wallpaper for May 2011

Here’s the latest of our malware wallpaper calendars.


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One of this month’s highlighted malware incidents is the Morris worm. This worm was released on 2 November 1988 and by the following day was causing major problems for computers on the Internet. This would be nothing out of the ordinary in today’s world. But it certainly was then. The worm quickly infected about 10 per cent of all computers connected to the Internet and, due to a programming error, made them unstable. Of course, in 1988 the Internet was made up of only 6,000 or so computers – it was an esoteric system used almost exclusively by government and academic institutions. So the Internet worm’s time had not yet come. But even so, the Morris worm was one of the first warnings of the importance of applying security patches in a timely fashion.

Malware Calendar Wallpaper for May 2011

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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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