Microsoft Rains on Vanilla Tempest’s Ransomware Parade: Cybercriminals Disrupted!
Microsoft disrupted a Vanilla Tempest campaign aiming to deploy Rhysida ransomware. The group, known for targeting education and healthcare, used fake Microsoft Teams files to sneak in. By revoking over 200 certificates, Microsoft threw a wrench in their plans, though the cybercriminals will likely regroup with new tricks.
Hot Take:
Looks like Vanilla Tempest just got a taste of their own medicine! Microsoft may have rained on their ransomware parade, but let’s be honest, they’re probably whipping up a new storm as we speak. Batten down the hatches, folks, because this cyber hurricane isn’t over yet!
Key Points:
- Microsoft disrupted a Vanilla Tempest campaign deploying Rhysida ransomware.
- Vanilla Tempest, aka Vice Spider, has targeted education and healthcare sectors since 2021.
- The group used fake Microsoft Teams installers to deliver a backdoor named Oyster.
- Microsoft revoked over 200 certificates used by the hackers to sign malware.
- Actions make it easier to detect and block Vanilla Tempest’s malware, but the group will likely adapt.
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