Events

The more things change

…the more they stay the same. Greetings from a cloudy Amsterdam, where the European edition of BlackHat is once again being held.

So far we’ve seen a number of very interesting presentations on various topics such as RFID and Windows. I especially liked one presentation about a Windows Vista Bootkit called VBootkit. The idea is to compromise security while the system is in the booting process.

One of the ways Vbootkit does this without being detected is by hooking INT 13, used for HDD reading. Funnily enough Brain, the very first computer virus, did the same. It infected boot sectors and when a program wanted to read the boot sector, Brain would show the original sector.

So I guess the saying is true: the more things change, the more they stay the same.

Of course, the particularly bad thing about this attack is that Vista’s kernel protection will make it impossible for AVs to detect it.

The more things change

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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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