Incidents

New Skype Vulnerability Allows Hijacking of Accounts

Last night, reports have appeared on several Russian forums regarding a Skype account hijacking exploit. The information has been made available on several Russian blogs and is now actively exploited in the wild.

The exploit, which has been available for two months already, takes advantage of the Skype password reset feature. This allows you to reset the password of somebody else’s account, as long as you know the e-mail address associated with their main Skype account.

To protect yourself against this exploit, we recommend changing the e-mail address associated with the Skype account to a new, never-before-used address. This should prevent hackers from guessing your e-mail associated with Skype and hijacking it.

Update [14-Nov-2012 10:19am UTC]: the “feature” which allows this bug to work has been temporarily disabled by Microsoft. You can read the Microsoft statement [here].

New Skype Vulnerability Allows Hijacking of Accounts

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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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