Gmail routing settings changed

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	Google Workspace Audit Logs
Detection Modules	Identity Threat Module, SaaS Threat Detection
Detector Tags	Google Workspace
ATT&CK Tactic	Collection (TA0009)
ATT&CK Technique	Data Staged (T1074), Email Collection (T1114)
Severity	Informational

Description

Gmail routing settings were modified.

Attacker's Goals

Email Collection.

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).
• Check if the new routing settings look suspicious.
• Investigate the IP address associated with the routing settings.
• Follow further actions done by the account.

Variations

Gmail routing settings changed by a non-administrative Google Workspace identity

Synopsis

Field	Value
ATT&CK Tactic	Collection (TA0009)
ATT&CK Technique	Data Staged (T1074), Email Collection (T1114)
Severity	Low

Description

Gmail routing settings were modified.

Attacker's Goals

Email Collection.

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).
• Check if the new routing settings look suspicious.
• Investigate the IP address associated with the routing settings.
• Follow further actions done by the account.