GCP_IAM
| where PayloadMethodname =~ 'google.iam.admin.v1.CreateServiceAccountKey'
| extend result = parse_json(todynamic(PayloadAuthorizationinfo))[0]['granted']
| where result =~ 'true'
| extend service_account = extract(@'serviceAccounts\/(.*?)@', 1, PayloadResponseName)
| project-away result
| extend AccountName = tostring(split(service_account, "@")[0]), AccountUPNSuffix = tostring(split(service_account, "@")[1])
status: Available
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/GoogleCloudPlatformIAM/Analytic Rules/GCPIAMNewServiceAccountKey.yaml
query: |
GCP_IAM
| where PayloadMethodname =~ 'google.iam.admin.v1.CreateServiceAccountKey'
| extend result = parse_json(todynamic(PayloadAuthorizationinfo))[0]['granted']
| where result =~ 'true'
| extend service_account = extract(@'serviceAccounts\/(.*?)@', 1, PayloadResponseName)
| project-away result
| extend AccountName = tostring(split(service_account, "@")[0]), AccountUPNSuffix = tostring(split(service_account, "@")[1])
requiredDataConnectors:
- dataTypes:
- GCP_IAM
connectorId: GCPIAMDataConnector
tactics:
- LateralMovement
name: GCP IAM - New Service Account Key
relevantTechniques:
- T1550
severity: Low
entityMappings:
- fieldMappings:
- identifier: FullName
columnName: service_account
- identifier: Name
columnName: AccountName
- identifier: UPNSuffix
columnName: AccountUPNSuffix
entityType: Account
- fieldMappings:
- identifier: Address
columnName: SrcIpAddr
entityType: IP
kind: Scheduled
queryFrequency: 24h
description: |
'Detects new service account key creation.'
triggerThreshold: 0
triggerOperator: gt
version: 1.0.1
queryPeriod: 24h
id: fc135860-8773-4ead-b5be-9789af1ff8ff
