Incidents

Net-Worm.Perl.Santy.a outbreak

Today we received reports about certain sites being defaced. Investigation has shown that a worm which utilizes a vulnerability in phpBB is responsible for this.

Screenshot of defaced website

PhpBB is a very popular software to use for internet boards/forums, so this affects a lot of sites. Therefore we are putting a Red Alert on it.

Currently there is no patch for this problem, only a work-around, which can be found here.

The worm is extra tricky because it replaces asp/php/htm/shtm files with its own code, not only meaning that you might lose data, but also that other sites using the same host get infected.

Net-Worm.Perl.Santy.a outbreak

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Reports

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.

Lazarus covets COVID-19-related intelligence

As the COVID-19 crisis grinds on, some threat actors are trying to speed up vaccine development by any means available. We have found evidence that the Lazarus group is going after intelligence that could help these efforts by attacking entities related to COVID-19 research.

Sunburst: connecting the dots in the DNS requests

We matched private and public DNS data for the SUNBURST-malware root C2 domain with the CNAME records, to identify who was targeted for further exploitation. In total, we analyzed 1722 DNS records, leading to 1026 unique target name parts and 964 unique UIDs.

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