Microsoft Zaps Vanilla Tempest: 200 Fraudulent Certificates Revoked in Ransomware Battle!
Microsoft revealed that it revoked over 200 certificates used by the notorious threat actor Vanilla Tempest to sign malicious binaries for ransomware attacks. The group used fake Teams setup files to deliver the Oyster backdoor and deploy Rhysida ransomware. The campaign highlights the dangers of SEO poisoning and malicious ads.
Hot Take:
Looks like Vanilla Tempest isn’t just a fancy coffee order at your local café anymore! Microsoft has finally revoked the licenses of these digital hooligans who thought they could disguise their ransomware like they were selling Girl Scout cookies. But instead of Thin Mints, they were peddling cyber mayhem. Goodbye fake certificates, hello safer cyberspace!
Key Points:
- Microsoft revoked over 200 certificates linked to Vanilla Tempest, a notorious threat actor.
- Vanilla Tempest used fake Microsoft Teams installers to distribute the Oyster backdoor and Rhysida ransomware.
- The deception involved SEO poisoning to lure users to malicious download sites.
- Vanilla Tempest has been active since at least July 2022, known for deploying various ransomware strains.
- Security measures have been updated to better detect and flag these fraudulent activities.
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