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Azure AD Graph Potential Enumeration (ROADrecon)

Detects an Azure AD Graph (graph.windows.net) burst from a user-agent identifying as "aiohttp" (the default HTTP library used by ROADrecon's "gather" command) where a single calling identity issues many requests in a…

Description

Detects an Azure AD Graph (graph.windows.net) burst from a user-agent identifying as "aiohttp" (the default HTTP library used by ROADrecon's "gather" command) where a single calling identity issues many requests in a short window. ROADrecon walks every interesting directory object type via aiohttp, producing a large volume of requests from one user / source IP / UA triple. The combination of "aiohttp" UA with a burst threshold is a structural ROADrecon signature; legitimate first-party Microsoft components do not identify as aiohttp.

Detection logic

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Detection requirements

Platform
ContainersESXiIaaSIdentity ProviderLinuxmacOSOffice SuiteSaaSWindows

The rule states no platform. This is derived from the 3 ATT&CK techniques it maps to.

Known benign triggers

  • Authorized red team activity exercising ROADrecon. Document the engagement window and add exceptions on the source IP or calling user.
  • Developer activity using aiohttp against AAD Graph for prototyping. Rare in production tenants and typically low-volume; the burst threshold limits exposure.

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