#oysterloader

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#malvertising #rhysida-ransomware #code-signing-certificates #rhysida #ransomware-as-a-service
Information security
fromIT Pro
3 weeks ago

A notorious ransomware group is spreading fake Microsoft Teams ads to snare victims

Search engine ad campaigns impersonating Microsoft Teams distribute OysterLoader, an initial-access loader that deploys backdoors for long-term device and network access.
Information security
fromTheregister
4 weeks ago

Ransomware gang runs ads for Microsoft Teams to pwn victims

Rhysida uses fake Microsoft Teams search ads to deliver OysterLoader and other malware, infecting victims via malvertising in an ongoing campaign since June.
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