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New HollowGraph Malware Hijacks Microsoft 365 Calendars for Covert C2 Communications
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New HollowGraph Malware Hijacks Microsoft 365 Calendars for Covert C2 Communications


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Researchers have linked HollowGraph malware to the Cavern framework after discovering its use of Microsoft 365 calendars and Microsoft Graph APIs as a stealthy C2 channel

First seen on infosecurity-magazine.com

Jump to article: www.infosecurity-magazine.com/news/hollowgraph-microsoft-calendars/

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