Google Workspace Government Attack Warning
Detects a login attempt in Google Workspace flagged as a potential attack by a government-backed threat actor
Sigma rule (View on GitHub)
1title: Google Workspace Government Attack Warning
2id: eafe6f2b-cfec-4612-aec2-49563c33a087
3status: experimental
4description: Detects a login attempt in Google Workspace flagged as a potential attack by a government-backed threat actor
5references:
6 - https://cloud.google.com/logging/docs/audit/gsuite-audit-logging
7 - https://cloud.google.com/logging/docs/audit/understanding-audit-logs
8 - https://developers.google.com/workspace/admin/reports/v1/appendix/activity/login#gov_attack_warning
9author: Tom Kluter
10date: 2026-04-28
11tags:
12 - attack.privilege-escalation
13 - attack.persistence
14 - attack.initial-access
15 - attack.impact
16 - attack.stealth
17 - attack.t1078
18logsource:
19 product: gcp
20 service: google_workspace.login
21detection:
22 selection:
23 protoPayload.serviceName: 'login.googleapis.com'
24 protoPayload.metadata.event.eventName: 'gov_attack_warning'
25 condition: selection
26falsepositives:
27 - Unknown
28level: medium
References
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