Cloud email service activity

Cortex XDR Analytics Alert Reference by data source

Product
Cortex XDR
Last date published
2024-12-03
Category
Analytics Alert Reference
Order
data source

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

N/A (single event)

Deduplication Period

5 Days

Required Data

  • Requires one of the following data sources:
    • AWS Audit Log
      OR
    • Azure Audit Log

Detection Modules

Cloud

Detector Tags

ATT&CK Tactic

Lateral Movement (TA0008)

ATT&CK Technique

Internal Spearphishing (T1534)

Severity

Informational

Description

A cloud Identity performed an email service operation.

Attacker's Goals

Abuse the cloud email service for sending phishing emails.

Investigative actions

  • Check for any following actions related to this activity.
  • Verify that the identity did not abuse the email service to send phishing emails to victims.

Variations

Unusual cloud email service activity

Synopsis

ATT&CK Tactic

Lateral Movement (TA0008)

ATT&CK Technique

Internal Spearphishing (T1534)

Severity

Low

Description

A cloud Identity performed an email service operation for the first time in the tenant.

Attacker's Goals

Abuse the cloud email service for sending phishing emails.

Investigative actions

  • Check for any following actions related to this activity.
  • Verify that the identity did not abuse the email service to send phishing emails to victims.


Cloud email service entity creation

Synopsis

ATT&CK Tactic

Lateral Movement (TA0008)

ATT&CK Technique

Internal Spearphishing (T1534)

Severity

Low

Description

A cloud Identity created a new cloud email identity.

Attacker's Goals

Abuse the cloud email service for sending phishing emails.

Investigative actions

  • Check for any following actions related to this activity.
  • Verify that the identity did not abuse the email service to send phishing emails to victims.