Exploring the Use of APIs in Cyber Espionage for Stealthy Operations

Dick O'Brien from Symantec Threat Hunter team is discussing their research on “Graph: Growing number of threats leveraging Microsoft API.” The team observed an increasing number of threats that have begun to leverage the Microsoft Graph API, usually to facilitate communications with command-and-control (C&C) infrastructure hosted on Microsoft cloud services.

The research states "the technique was most recently used in an attack against an organization in Ukraine, where a previously undocumented piece of malware used the Graph API to leverage Microsoft OneDrive for C&C purposes."

The research can be found here:

• Graph: Growing number of threats leveraging Microsoft API

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