Microsoft Teams enumeration activity

Cortex XDR Analytics Alert Reference by data source

Product
Cortex XDR
Last date published
2025-01-19
Category
Analytics Alert Reference
Index by
data source

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

10 Minutes

Deduplication Period

5 Days

Required Data

  • Requires:
    • Azure Audit Log

Detection Modules

Cloud

Detector Tags

ATT&CK Tactic

Discovery (TA0007)

ATT&CK Technique

Cloud Service Discovery (T1526)

Severity

Informational

Description

The Microsoft Graph API was used to enumerate Microsoft Teams channels in an Azure tenant.

Attacker's Goals

To extract sensitive information stored in Microsoft Teams.

Investigative actions

  • Determine which Teams channels were enumerated and whether they contained any sensitive information.
  • Investigate the identity following actions.