GCP_IAM
| where PayloadMethodname =~ 'google.iam.admin.v1.CreateServiceAccount'
| extend result = parse_json(todynamic(PayloadAuthorizationinfo))[0]['granted']
| where result =~ 'true'
| project-away result
| extend AccountName = tostring(split(PayloadRequestAccountId, "@")[0]), AccountUPNSuffix = tostring(split(PayloadRequestAccountId, "@")[1])
queryPeriod: 24h
query: |
GCP_IAM
| where PayloadMethodname =~ 'google.iam.admin.v1.CreateServiceAccount'
| extend result = parse_json(todynamic(PayloadAuthorizationinfo))[0]['granted']
| where result =~ 'true'
| project-away result
| extend AccountName = tostring(split(PayloadRequestAccountId, "@")[0]), AccountUPNSuffix = tostring(split(PayloadRequestAccountId, "@")[1])
name: GCP IAM - New Service Account
entityMappings:
- fieldMappings:
- columnName: PayloadRequestAccountId
identifier: FullName
- columnName: AccountName
identifier: Name
- columnName: AccountUPNSuffix
identifier: UPNSuffix
entityType: Account
- fieldMappings:
- columnName: SrcIpAddr
identifier: Address
entityType: IP
queryFrequency: 24h
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/GoogleCloudPlatformIAM/Analytic Rules/GCPIAMNewServiceAccount.yaml
requiredDataConnectors:
- connectorId: GCPIAMDataConnector
dataTypes:
- GCP_IAM
description: |
'Detects new service account creation.'
kind: Scheduled
version: 1.0.1
status: Available
severity: Low
relevantTechniques:
- T1136
triggerOperator: gt
triggerThreshold: 0
tactics:
- Persistence
id: a768aa52-453e-4e3e-80c2-62928d2e2f56
