Introducing GraphRunner: A Post-Exploitation Toolset for Microsoft 365

Summary

Black Hills Information Security has introduced GraphRunner, a new post-exploitation toolset designed for interacting with the Microsoft Graph API. This toolset offers functionalities for reconnaissance and persistence within Microsoft 365 environments after initial compromise.

IFF Assessment

FOE

This toolset is designed for post-exploitation activities, which aids attackers in maintaining access and gathering further information after an initial breach.

Defender Context

Defenders should be aware of tools like GraphRunner that enable sophisticated post-exploitation activities within Microsoft 365. Monitoring for unusual Graph API activity and implementing strong access controls and M365 security best practices are crucial to detect and prevent such post-compromise actions.

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