A domain was added to the trusted domains list

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2024-06-18
Category
Analytics Alert Reference
Order
Alert name

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

N/A (single event)

Deduplication Period

5 Days

Required Data

  • Requires:
    • Google Workspace Audit Logs

Detection Modules

Identity Threat Module

ATT&CK Tactic

Defense Evasion (TA0005)

ATT&CK Technique

Severity

Low

Description

A domain was added to the Google Workspace trusted domains list.

Attacker's Goals

An adversary may add a trusted domain to collect and exfiltrate data from their target's organization with less restrictive security controls.

Investigative actions

  • Check if the identity intended to perform this action, Or look for signs that the user account is compromised (e.g. abnormal logins, unusual activity).
  • Investigate the new domain in the trusted domains list.
  • Follow further actions done by the account.

Variations

A domain was added to the trusted domains list by a non Google Workspace administrative user

Synopsis

ATT&CK Tactic

Defense Evasion (TA0005)

ATT&CK Technique

Severity

Low

Description

A domain was added to the Google Workspace trusted domains list.

Attacker's Goals

An adversary may add a trusted domain to collect and exfiltrate data from their target's organization with less restrictive security controls.

Investigative actions

  • Check if the identity intended to perform this action, Or look for signs that the user account is compromised (e.g. abnormal logins, unusual activity).
  • Investigate the new domain in the trusted domains list.
  • Follow further actions done by the account.


A domain was added to the trusted domains list from an unusual ASN

Synopsis

ATT&CK Tactic

Defense Evasion (TA0005)

ATT&CK Technique

Severity

Low

Description

A domain was added to the Google Workspace trusted domains list.

Attacker's Goals

An adversary may add a trusted domain to collect and exfiltrate data from their target's organization with less restrictive security controls.

Investigative actions

  • Check if the identity intended to perform this action, Or look for signs that the user account is compromised (e.g. abnormal logins, unusual activity).
  • Investigate the new domain in the trusted domains list.
  • Follow further actions done by the account.