#cavern · Elektrine

Daily CyberSecurity @DailyCyberSecurity@infosec.exchange

· 3mo ago

HOLLOWGRAPH malware turns Microsoft 365 calendars into covert C2 through Microsoft Graph API abuse. Group-IB links it to the Cavern framework. #HOLLOWGRAPH #MicrosoftGraph #Microsoft365 #Malware #C2 #DNSTunneling #Cavern #CyberEspionage

HOLLOWGRAPH Malware Hides Command-and-Control in Microsoft 365 Calendars

securityonline.info

HOLLOWGRAPH Malware Hides Command-and-Control in Microsoft 365 Calendars

HOLLOWGRAPH malware turns Microsoft 365 calendars into covert C2 through Microsoft Graph API abuse. Group-IB links it to the Cavern framework.

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