Microsoft revokes 200+ certificates abused by Vanilla Tempest in fake Teams campaign

Microsoft revoked 200+ certificates used by Vanilla Tempest to sign fake Teams installers spreading Oyster backdoor and Rhysida ransomware. Microsoft revoked over 200 certificates used by the cybercrime group Vanilla Tempest (aka VICE SPIDER and Vice Society) to sign fake Teams installers spreading the Oyster backdoor and Rhysida ransomware. The threat actor has been active […]