Google Cloud のセキュリティ ログ分析

SELECT
  timestamp,
  proto_payload.audit_log.authentication_info.principal_email,
  proto_payload.audit_log.request_metadata.caller_ip,
  proto_payload.audit_log.method_name, parameter
FROM `[MY_PROJECT_ID].[MY_LOG_BUCKET_REGION].[MY_LOG_BUCKET_NAME]._AllLogs`,
  UNNEST(JSON_QUERY_ARRAY(proto_payload.audit_log.metadata.event[0].parameter)) AS parameter
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 60 DAY)
  AND proto_payload.audit_log IS NOT NULL
  AND proto_payload.audit_log.service_name = "login.googleapis.com"
  AND proto_payload.audit_log.method_name = "google.login.LoginService.loginSuccess"
  AND JSON_VALUE(parameter.name) = "is_suspicious"
  AND JSON_VALUE(parameter.boolValue) = "true"

SELECT
  timestamp,
  protopayload_auditlog.authenticationInfo.principalEmail,
  protopayload_auditlog.requestMetadata.callerIp,
  protopayload_auditlog.methodName
FROM `[MY_PROJECT_ID].[MY_DATASET_ID].cloudaudit_googleapis_com_data_access`,
  UNNEST(JSON_QUERY_ARRAY(protopayload_auditlog.metadataJson, '$.event[0].parameter')) AS parameter
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 60 DAY)
  AND protopayload_auditlog.metadataJson IS NOT NULL
  AND protopayload_auditlog.serviceName = "login.googleapis.com"
  AND protopayload_auditlog.methodName = "google.login.LoginService.loginSuccess"
  AND JSON_VALUE(parameter, '$.name') = "is_suspicious"
  AND JSON_VALUE(parameter, '$.boolValue') = "true"

SELECT
  proto_payload.audit_log.authentication_info.principal_email,
  MIN(timestamp) AS earliest,
  MAX(timestamp) AS latest,
  count(*) AS attempts
FROM `[MY_PROJECT_ID].[MY_LOG_BUCKET_REGION].[MY_LOG_BUCKET_NAME]._AllLogs`
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 1 DAY)
  AND proto_payload.audit_log.service_name = "login.googleapis.com"
  AND proto_payload.audit_log.method_name = "google.login.LoginService.loginFailure"
GROUP BY
  1
HAVING
  attempts >= 3

SELECT
  protopayload_auditlog.authenticationInfo.principalEmail,
  MIN(timestamp) AS earliest,
  MAX(timestamp) AS latest,
  count(*) AS attempts
FROM
 `[MY_PROJECT_ID].[MY_DATASET_ID].cloudaudit_googleapis_com_data_access`
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 1 DAY)
  AND protopayload_auditlog.serviceName="login.googleapis.com"
  AND protopayload_auditlog.methodName="google.login.LoginService.loginFailure"
GROUP BY
  1
HAVING
  attempts >= 3

SELECT
  timestamp,
  log_name,
  proto_payload.audit_log.authentication_info.principal_email,
  proto_payload.audit_log.request_metadata.caller_ip,
  proto_payload.audit_log.method_name,
  proto_payload.audit_log.service_name,
  JSON_VALUE(proto_payload.audit_log.metadata.violationReason) as violationReason, 
  IF(JSON_VALUE(proto_payload.audit_log.metadata.ingressViolations) IS NULL, 'ingress', 'egress') AS violationType,
  COALESCE(
    JSON_VALUE(proto_payload.audit_log.metadata.ingressViolations[0].targetResource),
    JSON_VALUE(proto_payload.audit_log.metadata.egressViolations[0].targetResource)
  ) AS  targetResource,
  COALESCE(
    JSON_VALUE(proto_payload.audit_log.metadata.ingressViolations[0].servicePerimeter),
    JSON_VALUE(proto_payload.audit_log.metadata.egressViolations[0].servicePerimeter)
  ) AS  servicePerimeter
FROM `[MY_PROJECT_ID].[MY_LOG_BUCKET_REGION].[MY_LOG_BUCKET_NAME]._AllLogs`
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 30 DAY)
  AND proto_payload.audit_log IS NOT NULL
  AND JSON_VALUE(proto_payload.audit_log.metadata, '$."@type"') = 'type.googleapis.com/google.cloud.audit.VpcServiceControlAuditMetadata'
ORDER BY
  timestamp DESC
LIMIT 1000

SELECT
  timestamp,
  protopayload_auditlog.authenticationInfo.principalEmail,
  protopayload_auditlog.requestMetadata.callerIp,
  protopayload_auditlog.methodName,
  protopayload_auditlog.serviceName,
  JSON_VALUE(protopayload_auditlog.metadataJson, '$.violationReason') as violationReason, 
  IF(JSON_VALUE(protopayload_auditlog.metadataJson, '$.ingressViolations') IS NULL, 'ingress', 'egress') AS violationType,
  COALESCE(
    JSON_VALUE(protopayload_auditlog.metadataJson, '$.ingressViolations[0].targetResource'),
    JSON_VALUE(protopayload_auditlog.metadataJson, '$.egressViolations[0].targetResource')
  ) AS  targetResource,
  COALESCE(
    JSON_VALUE(protopayload_auditlog.metadataJson, '$.ingressViolations[0].servicePerimeter'),
    JSON_VALUE(protopayload_auditlog.metadataJson, '$.egressViolations[0].servicePerimeter')
  ) AS  servicePerimeter
FROM
 `[MY_PROJECT_ID].[MY_DATASET_ID].cloudaudit_googleapis_com_policy`
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 400 DAY)
  AND JSON_VALUE(protopayload_auditlog.metadataJson, '$."@type"') = 'type.googleapis.com/google.cloud.audit.VpcServiceControlAuditMetadata'
ORDER BY
  timestamp DESC
LIMIT 1000

SELECT
  timestamp,
  http_request.remote_ip,
  http_request.request_method,
  http_request.status,
  JSON_VALUE(resource.labels.backend_service_name) AS backend_service_name,
  http_request.request_url
FROM `[MY_PROJECT_ID].[MY_LOG_BUCKET_REGION].[MY_LOG_BUCKET_NAME]._AllLogs`
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 30 DAY)
  AND resource.type="http_load_balancer"
  AND JSON_VALUE(json_payload.statusDetails) = "handled_by_identity_aware_proxy"
ORDER BY
  timestamp DESC

SELECT
  timestamp,
  httpRequest.remoteIp,
  httpRequest.requestMethod,
  httpRequest.status,
  resource.labels.backend_service_name,
  httpRequest.requestUrl,
FROM `[MY_PROJECT_ID].[MY_DATASET_ID].requests`
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 30 DAY)
  AND resource.type="http_load_balancer"
  AND jsonpayload_type_loadbalancerlogentry.statusdetails = "handled_by_identity_aware_proxy"
ORDER BY
  timestamp DESC

SELECT
  timestamp,
  proto_payload.audit_log.authentication_info.principal_email,
  proto_payload.audit_log.method_name,
  proto_payload.audit_log.resource_name,
  (SELECT JSON_VALUE(x.value)
   FROM UNNEST(JSON_QUERY_ARRAY(proto_payload.audit_log.metadata.event[0].parameter)) AS x
   WHERE JSON_VALUE(x.name) = "USER_EMAIL") AS user_email,
  (SELECT JSON_VALUE(x.value)
   FROM UNNEST(JSON_QUERY_ARRAY(proto_payload.audit_log.metadata.event[0].parameter)) AS x
   WHERE JSON_VALUE(x.name) = "GROUP_EMAIL") AS group_email,
FROM `[MY_PROJECT_ID].[MY_LOG_BUCKET_REGION].[MY_LOG_BUCKET_NAME]._AllLogs`
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 120 DAY)
  AND proto_payload.audit_log.service_name = "admin.googleapis.com"
  AND proto_payload.audit_log.method_name = "google.admin.AdminService.addGroupMember"
  AND EXISTS(
    SELECT * FROM UNNEST(JSON_QUERY_ARRAY(proto_payload.audit_log.metadata.event[0].parameter)) AS x
    WHERE
      JSON_VALUE(x.name) = "GROUP_EMAIL"
      AND REGEXP_CONTAINS(JSON_VALUE(x.value), r'(admin|prod).*') -- Update regexp with other sensitive groups if applicable
  )

SELECT
  timestamp,
  protopayload_auditlog.authenticationInfo.principalEmail,
  protopayload_auditlog.methodName,
  protopayload_auditlog.resourceName,
  (SELECT JSON_VALUE(x, '$.value')
   FROM UNNEST(JSON_QUERY_ARRAY(protopayload_auditlog.metadataJson, '$.event[0].parameter')) AS x
   WHERE JSON_VALUE(x, '$.name') = "USER_EMAIL") AS userEmail,
  (SELECT JSON_VALUE(x, '$.value')
   FROM UNNEST(JSON_QUERY_ARRAY(protopayload_auditlog.metadataJson, '$.event[0].parameter')) AS x
   WHERE JSON_VALUE(x, '$.name') = "GROUP_EMAIL") AS groupEmail,
FROM `[MY_PROJECT_ID].[MY_DATASET_ID].cloudaudit_googleapis_com_activity`
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 120 DAY)
  AND protopayload_auditlog.serviceName = "admin.googleapis.com"
  AND protopayload_auditlog.methodName = "google.admin.AdminService.addGroupMember"
  AND EXISTS(
    SELECT * FROM UNNEST(JSON_QUERY_ARRAY(protopayload_auditlog.metadataJson, '$.event[0].parameter')) AS x
    WHERE
      JSON_VALUE(x, '$.name') = 'GROUP_EMAIL'
      AND REGEXP_CONTAINS(JSON_VALUE(x, '$.value'), r'(admin|prod).*') -- Update regexp with other sensitive groups if applicable
  )

SELECT
  timestamp,
  proto_payload.audit_log.authentication_info.principal_email as grantor,
  JSON_VALUE(bindingDelta.member) as grantee,
  JSON_VALUE(bindingDelta.role) as role,
  proto_payload.audit_log.resource_name,
  proto_payload.audit_log.method_name
FROM
  `[MY_PROJECT_ID].[MY_LOG_BUCKET_REGION].[MY_LOG_BUCKET_NAME]._AllLogs`,
  UNNEST(JSON_QUERY_ARRAY(proto_payload.audit_log.service_data.policyDelta.bindingDeltas)) AS bindingDelta
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 400 DAY)
  -- AND log_id = "cloudaudit.googleapis.com/activity"
  AND (
    (resource.type = "service_account"
    AND proto_payload.audit_log.method_name LIKE "google.iam.admin.%.SetIAMPolicy")
    OR
    (resource.type IN ("project", "folder", "organization")
    AND proto_payload.audit_log.method_name = "SetIamPolicy"
    AND JSON_VALUE(bindingDelta.role) LIKE "roles/iam.serviceAccount%")
  )
  AND JSON_VALUE(bindingDelta.action) = "ADD"
  -- Principal (grantee) exclusions
  AND JSON_VALUE(bindingDelta.member) NOT LIKE "%@example.com"
ORDER BY
  timestamp DESC

SELECT
  timestamp,
  protopayload_auditlog.authenticationInfo.principalEmail as grantor,
  bindingDelta.member as grantee,
  bindingDelta.role,
  protopayload_auditlog.resourceName,
  protopayload_auditlog.methodName,
FROM
  `[MY_PROJECT_ID].[MY_DATASET_ID].cloudaudit_googleapis_com_activity`,
  UNNEST(protopayload_auditlog.servicedata_v1_iam.policyDelta.bindingDeltas) AS bindingDelta
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 180 DAY)
  AND (
    (resource.type = "service_account"
    AND protopayload_auditlog.methodName LIKE "google.iam.admin.%.SetIAMPolicy")
    OR
    (resource.type IN ("project", "folder", "organization")
    AND protopayload_auditlog.methodName = "SetIamPolicy"
    AND bindingDelta.role LIKE "roles/iam.serviceAccount%")
  )
  AND bindingDelta.action = 'ADD'
  -- Principal (grantee) exclusions
  AND bindingDelta.member NOT LIKE "%@example.com"
ORDER BY
  timestamp DESC

SELECT
  timestamp,
  proto_payload.audit_log.authentication_info.principal_email,
  proto_payload.audit_log.method_name,
  proto_payload.audit_log.resource_name,
  JSON_VALUE(proto_payload.audit_log.response.email) as service_account_email
FROM
  `[MY_PROJECT_ID].[MY_LOG_BUCKET_REGION].[MY_LOG_BUCKET_NAME]._AllLogs`
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 30 DAY)
  AND resource.type="service_account"
  AND proto_payload.audit_log.method_name LIKE "%CreateServiceAccount%"
  AND proto_payload.audit_log.authentication_info.principal_email NOT LIKE "%.gserviceaccount.com"

SELECT
  timestamp,
  protopayload_auditlog.authenticationInfo.principalEmail,
  protopayload_auditlog.methodName,
  protopayload_auditlog.resourceName,
  JSON_VALUE(protopayload_auditlog.responseJson, "$.email") as serviceAccountEmail
FROM
  `[MY_PROJECT_ID].[MY_DATASET_ID].cloudaudit_googleapis_com_activity`
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 180 DAY)
  AND resource.type="service_account"
  AND protopayload_auditlog.methodName LIKE "%CreateServiceAccount%"
  AND protopayload_auditlog.authenticationInfo.principalEmail NOT LIKE "%.gserviceaccount.com"

SELECT
  timestamp,
  proto_payload.audit_log.authentication_info.principal_email,
  resource.type,
  proto_payload.audit_log.resource_name,
  JSON_VALUE(binding, '$.role') as role,
  JSON_VALUE_ARRAY(binding, '$.members') as members
FROM
  `[MY_PROJECT_ID].[MY_LOG_BUCKET_REGION].[MY_LOG_BUCKET_NAME]._AllLogs`,
  UNNEST(JSON_QUERY_ARRAY(proto_payload.audit_log.response, '$.bindings')) AS binding
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 30 DAY)
  -- AND log_id = "cloudaudit.googleapis.com/activity"
  AND proto_payload.audit_log.service_name = "iap.googleapis.com"
  AND proto_payload.audit_log.method_name LIKE "%.IdentityAwareProxyAdminService.SetIamPolicy"
  AND JSON_VALUE(binding, '$.role') = "roles/iap.httpsResourceAccessor"
ORDER BY
  timestamp DESC

SELECT
  timestamp,
  protopayload_auditlog.authenticationInfo.principalEmail,
  resource.type,
  protopayload_auditlog.resourceName,
  JSON_VALUE(binding, '$.role') as role,
  JSON_VALUE_ARRAY(binding, '$.members') as members
FROM
  `[MY_PROJECT_ID].[MY_DATASET_ID].cloudaudit_googleapis_com_activity`,
  UNNEST(JSON_QUERY_ARRAY(protopayload_auditlog.responseJson, '$.bindings')) AS binding
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 400 DAY)
  AND protopayload_auditlog.serviceName = "iap.googleapis.com"
  AND protopayload_auditlog.methodName LIKE "%.IdentityAwareProxyAdminService.SetIamPolicy"
  AND JSON_VALUE(binding, '$.role') = "roles/iap.httpsResourceAccessor"
ORDER BY
  timestamp DESC

SELECT
  receive_timestamp, timestamp AS eventTimestamp,
  proto_payload.audit_log.request_metadata.caller_ip,
  proto_payload.audit_log.authentication_info.principal_email, 
  proto_payload.audit_log.resource_name,
  proto_payload.audit_log.method_name
FROM 
  `[MY_PROJECT_ID].[MY_LOG_BUCKET_REGION].[MY_LOG_BUCKET_NAME]._AllLogs`
WHERE
  proto_payload.audit_log.service_name = "logging.googleapis.com"
  AND log_id = "cloudaudit.googleapis.com/activity"

SELECT
  receiveTimestamp, timestamp AS eventTimestamp,
  protopayload_auditlog.requestMetadata.callerIp,
  protopayload_auditlog.authenticationInfo.principalEmail, 
  protopayload_auditlog.resourceName,
  protopayload_auditlog.methodName
FROM `[MY_PROJECT_ID].[MY_DATASET_ID].cloudaudit_googleapis_com_activity`
WHERE
  protopayload_auditlog.serviceName = "logging.googleapis.com"

SELECT
  receive_timestamp, timestamp AS eventTimestamp,
  proto_payload.audit_log.request_metadata.caller_ip,
  proto_payload.audit_log.authentication_info.principal_email, 
  proto_payload.audit_log.resource_name,
  proto_payload.audit_log.method_name
FROM 
  `[MY_PROJECT_ID].[MY_LOG_BUCKET_REGION].[MY_LOG_BUCKET_NAME]._AllLogs`
WHERE
  proto_payload.audit_log.method_name = "v1.compute.subnetworks.patch" 
  AND (
    JSON_VALUE(proto_payload.audit_log.request, "$.logConfig.enable") = "false"
    OR JSON_VALUE(proto_payload.audit_log.request, "$.enableFlowLogs") = "false"
  )

SELECT
  receiveTimestamp, timestamp AS eventTimestamp,
  protopayload_auditlog.requestMetadata.callerIp,
  protopayload_auditlog.authenticationInfo.principalEmail, 
  protopayload_auditlog.resourceName,
  protopayload_auditlog.methodName
FROM `[MY_PROJECT_ID].[MY_DATASET_ID].cloudaudit_googleapis_com_activity`
WHERE
protopayload_auditlog.methodName = "v1.compute.subnetworks.patch" 
AND JSON_VALUE(protopayload_auditlog.requestJson, "$.logConfig.enable") = "false"

SELECT
  *
FROM (
  SELECT
    *,
    AVG(counter) OVER (
      ORDER BY day
      ROWS BETWEEN UNBOUNDED PRECEDING AND 1 PRECEDING) AS avg,
    STDDEV(counter) OVER (
      ORDER BY day
      ROWS BETWEEN UNBOUNDED PRECEDING AND 1 PRECEDING) AS stddev,
    COUNT(*) OVER (
      RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) AS numSamples
  FROM (
    SELECT
      EXTRACT(DATE FROM timestamp) AS day,
      ARRAY_AGG(DISTINCT proto_payload.audit_log.method_name IGNORE NULLS) AS actions,
      ARRAY_AGG(DISTINCT proto_payload.audit_log.authentication_info.principal_email IGNORE NULLS) AS actors,
      COUNT(*) AS counter
    FROM `[MY_PROJECT_ID].[MY_LOG_BUCKET_REGION].[MY_LOG_BUCKET_NAME]._AllLogs`
    WHERE
      timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 90 DAY)
      AND proto_payload.audit_log.method_name LIKE "v1.compute.firewalls.%"
      AND proto_payload.audit_log.method_name NOT IN ("v1.compute.firewalls.list", "v1.compute.firewalls.get")
    GROUP BY
      day
  )
)
WHERE
  counter > avg + 2 * stddev
  AND day >= DATE_SUB(CURRENT_DATE(), INTERVAL 7 DAY) 
ORDER BY
  counter DESC

SELECT
  *,
  AVG(counter) OVER (
    ORDER BY day
    ROWS BETWEEN UNBOUNDED PRECEDING AND 1 PRECEDING) AS avg,
  STDDEV(counter) OVER (
    ORDER BY day
    ROWS BETWEEN UNBOUNDED PRECEDING AND 1 PRECEDING) AS stddev,
  COUNT(*) OVER (
    RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) AS numSamples
FROM (
  SELECT
    EXTRACT(DATE FROM timestamp) AS day,
    ARRAY_AGG(DISTINCT protopayload_auditlog.methodName IGNORE NULLS) AS actions,
    ARRAY_AGG(DISTINCT protopayload_auditlog.authenticationInfo.principalEmail IGNORE NULLS) AS actors,
    COUNT(*) AS counter
  FROM `[MY_PROJECT_ID].[MY_DATASET_ID].cloudaudit_googleapis_com_activity`
  WHERE
    timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 90 DAY)
    AND protopayload_auditlog.methodName LIKE "v1.compute.firewalls.%"
    AND protopayload_auditlog.methodName NOT IN ("v1.compute.firewalls.list", "v1.compute.firewalls.get")
  GROUP BY
    day
)
WHERE TRUE
QUALIFY
  counter > avg + 2 * stddev
  AND day >= DATE_SUB(CURRENT_DATE(), INTERVAL 7 DAY) 
ORDER BY
  counter DESC

SELECT
  timestamp,
  JSON_VALUE(resource.labels.instance_id) AS instance_id,
  proto_payload.audit_log.authentication_info.principal_email, 
  proto_payload.audit_log.resource_name,
  proto_payload.audit_log.method_name
FROM 
  `[MY_PROJECT_ID].[MY_LOG_BUCKET_REGION].[MY_LOG_BUCKET_NAME]._AllLogs`
WHERE
  resource.type = "gce_instance"
  AND proto_payload.audit_log.method_name = "v1.compute.instances.delete"
  AND operation.first IS TRUE
  AND timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 7 DAY)
ORDER BY
  timestamp desc,
  instance_id
LIMIT
  1000

SELECT
  timestamp,
  resource.labels.instance_id,
  protopayload_auditlog.authenticationInfo.principalEmail,
  protopayload_auditlog.resourceName,
  protopayload_auditlog.methodName
FROM `[MY_PROJECT_ID].[MY_DATASET_ID].cloudaudit_googleapis_com_activity`
WHERE
  resource.type = "gce_instance"
  AND protopayload_auditlog.methodName = "v1.compute.instances.delete"
  AND operation.first IS TRUE
  AND timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 7 DAY)
ORDER BY
  timestamp desc,
  resource.labels.instance_id
LIMIT
  1000

SELECT
  *
FROM (
  SELECT
    *,
    AVG(counter) OVER (
      PARTITION BY principal_email
      ORDER BY day
      ROWS BETWEEN UNBOUNDED PRECEDING AND 1 PRECEDING) AS avg,
    STDDEV(counter) OVER (
      PARTITION BY principal_email
      ORDER BY day
      ROWS BETWEEN UNBOUNDED PRECEDING AND 1 PRECEDING) AS stddev,
    COUNT(*) OVER (
      PARTITION BY principal_email
      RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) AS numSamples
  FROM (
    SELECT
      proto_payload.audit_log.authentication_info.principal_email,
      EXTRACT(DATE FROM timestamp) AS day,
      ARRAY_AGG(DISTINCT proto_payload.audit_log.method_name IGNORE NULLS) AS actions,
      COUNT(*) AS counter
    FROM `[MY_PROJECT_ID].[MY_LOG_BUCKET_REGION].[MY_LOG_BUCKET_NAME]._AllLogs`
    WHERE
      timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 60 DAY)
      AND proto_payload.audit_log.authentication_info.principal_email IS NOT NULL
      AND proto_payload.audit_log.method_name NOT LIKE "storage.%.get"
      AND proto_payload.audit_log.method_name NOT LIKE "v1.compute.%.list"
      AND proto_payload.audit_log.method_name NOT LIKE "beta.compute.%.list"
    GROUP BY
      proto_payload.audit_log.authentication_info.principal_email,
      day
  )
)
WHERE
  counter > avg + 3 * stddev
  AND day >= DATE_SUB(CURRENT_DATE(), INTERVAL 7 DAY) 
ORDER BY
  counter DESC

SELECT
  *,
  AVG(counter) OVER (
    PARTITION BY principalEmail
    ORDER BY day
    ROWS BETWEEN UNBOUNDED PRECEDING AND 1 PRECEDING) AS avg,
  STDDEV(counter) OVER (
    PARTITION BY principalEmail
    ORDER BY day
    ROWS BETWEEN UNBOUNDED PRECEDING AND 1 PRECEDING) AS stddev,
  COUNT(*) OVER (
    PARTITION BY principalEmail
    RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING) AS numSamples
FROM (
  SELECT
    protopayload_auditlog.authenticationInfo.principalEmail,
    EXTRACT(DATE FROM timestamp) AS day,
    ARRAY_AGG(DISTINCT protopayload_auditlog.methodName IGNORE NULLS) AS actions,
    COUNT(*) AS counter
  FROM `[MY_PROJECT_ID].[MY_DATASET_ID].cloudaudit_googleapis_com_*`
  WHERE
    timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 60 DAY)
    AND protopayload_auditlog.authenticationInfo.principalEmail IS NOT NULL
    AND protopayload_auditlog.methodName NOT LIKE "storage.%.get"
    AND protopayload_auditlog.methodName NOT LIKE "v1.compute.%.list"
    AND protopayload_auditlog.methodName NOT LIKE "beta.compute.%.list"
  GROUP BY
    protopayload_auditlog.authenticationInfo.principalEmail,
    day
)
WHERE TRUE
QUALIFY
  counter > avg + 3 * stddev
  AND day >= DATE_SUB(CURRENT_DATE(), INTERVAL 7 DAY) 
ORDER BY
  counter DESC

SELECT
  TIMESTAMP_TRUNC(timestamp, DAY) AS day,
  proto_payload.audit_log.method_name,
  COUNT(*) AS counter
FROM
   `[MY_PROJECT_ID].[MY_LOG_BUCKET_REGION].[MY_LOG_BUCKET_NAME]._AllLogs`
WHERE
  resource.type = "gce_instance_group_manager"
  AND log_id = "cloudaudit.googleapis.com/activity"
  AND timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 30 DAY)
GROUP BY
  1, 2
ORDER BY
  1, 2

SELECT
  TIMESTAMP_TRUNC(timestamp, DAY) AS day,
  protopayload_auditlog.methodName AS methodName,
  COUNT(*) AS counter
FROM `[MY_PROJECT_ID].[MY_DATASET_ID].cloudaudit_googleapis_com_activity`
WHERE
  resource.type = "gce_instance_group_manager"
  AND timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 30 DAY)
GROUP BY
  1, 2
ORDER BY
  1, 2

SELECT
  proto_payload.audit_log.authentication_info.principal_email,
  COUNT(*) AS COUNTER
FROM 
   `[MY_PROJECT_ID].[MY_LOG_BUCKET_REGION].[MY_LOG_BUCKET_NAME]._AllLogs`
WHERE
  (proto_payload.audit_log.method_name = "google.cloud.bigquery.v2.JobService.InsertJob" OR
   proto_payload.audit_log.method_name = "google.cloud.bigquery.v2.JobService.Query")
  AND timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 7 DAY)
  AND log_id = "cloudaudit.googleapis.com/data_access"
GROUP BY
  1
ORDER BY
  2 desc, 1
LIMIT
  100

SELECT
  protopayload_auditlog.authenticationInfo.principalEmail,
  COUNT(*) AS COUNTER
FROM `[MY_PROJECT_ID].[MY_DATASET_ID].cloudaudit_googleapis_com_data_access`
WHERE
  (protopayload_auditlog.methodName = "google.cloud.bigquery.v2.JobService.InsertJob" OR
   protopayload_auditlog.methodName = "google.cloud.bigquery.v2.JobService.Query")
  AND timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 7 DAY)
GROUP BY
  1
ORDER BY
  2 desc, 1
LIMIT
  100

SELECT
  proto_payload.audit_log.authentication_info.principal_email,
  COUNT(*) AS COUNTER
FROM 
  `[MY_PROJECT_ID].[MY_LOG_BUCKET_REGION].[MY_LOG_BUCKET_NAME]._AllLogs`,
  UNNEST(proto_payload.audit_log.authorization_info) authorization_info
WHERE
  (proto_payload.audit_log.method_name = "google.cloud.bigquery.v2.JobService.InsertJob" OR
   proto_payload.audit_log.method_name = "google.cloud.bigquery.v2.JobService.Query")
  AND authorization_info.permission = "bigquery.tables.getData"
  AND authorization_info.resource = "projects/[PROJECT_ID]/datasets/[DATASET_ID]/tables/accounts"
  AND timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 30 DAY)
GROUP BY
  1
ORDER BY
  2 desc, 1
LIMIT
  100

SELECT
  protopayload_auditlog.authenticationInfo.principalEmail,
  COUNT(*) AS COUNTER
FROM `[MY_PROJECT_ID].[MY_DATASET_ID].cloudaudit_googleapis_com_data_access`,
  UNNEST(protopayload_auditlog.authorizationInfo) authorizationInfo
WHERE
  (protopayload_auditlog.methodName = "google.cloud.bigquery.v2.JobService.InsertJob" OR
   protopayload_auditlog.methodName = "google.cloud.bigquery.v2.JobService.Query")
  AND authorizationInfo.permission = "bigquery.tables.getData"
  AND authorizationInfo.resource = "projects/[PROJECT_ID]/datasets/[DATASET_ID]/tables/accounts"
  AND timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 30 DAY)
GROUP BY
  1
ORDER BY
  2 desc, 1
LIMIT
  100

SELECT
  proto_payload.audit_log.resource_name,
  proto_payload.audit_log.authentication_info.principal_email,
  COUNTIF(JSON_VALUE(proto_payload.audit_log.metadata, "$.tableDataRead") IS NOT NULL) AS dataReadEvents,
  COUNTIF(JSON_VALUE(proto_payload.audit_log.metadata, "$.tableDataChange") IS NOT NULL) AS dataChangeEvents,
  COUNT(*) AS totalEvents
FROM 
  `[MY_PROJECT_ID].[MY_LOG_BUCKET_REGION].[MY_LOG_BUCKET_NAME]._AllLogs`
WHERE
  STARTS_WITH(resource.type, 'bigquery') IS TRUE
  AND (JSON_VALUE(proto_payload.audit_log.metadata, "$.tableDataRead") IS NOT NULL
    OR JSON_VALUE(proto_payload.audit_log.metadata, "$.tableDataChange") IS NOT NULL)
  AND timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 30 DAY)
GROUP BY
  1, 2
ORDER BY
  5 DESC, 1, 2
LIMIT 1000

SELECT
  protopayload_auditlog.resourceName,
  protopayload_auditlog.authenticationInfo.principalEmail,
  COUNTIF(JSON_EXTRACT(protopayload_auditlog.metadataJson, "$.tableDataRead") IS NOT NULL) AS dataReadEvents,
  COUNTIF(JSON_EXTRACT(protopayload_auditlog.metadataJson, "$.tableDataChange") IS NOT NULL) AS dataChangeEvents,
  COUNT(*) AS totalEvents
FROM `[MY_PROJECT_ID].[MY_DATASET_ID].cloudaudit_googleapis_com_data_access`
WHERE
  STARTS_WITH(resource.type, 'bigquery') IS TRUE
  AND (JSON_EXTRACT(protopayload_auditlog.metadataJson, "$.tableDataRead") IS NOT NULL
    OR JSON_EXTRACT(protopayload_auditlog.metadataJson, "$.tableDataChange") IS NOT NULL)
  AND timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 30 DAY)
GROUP BY
  1, 2
ORDER BY
  5 DESC, 1, 2
LIMIT 1000

SELECT
  COALESCE(
   JSON_VALUE(proto_payload.audit_log.metadata, "$.jobChange.job.jobConfig.queryConfig.query"),
   JSON_VALUE(proto_payload.audit_log.metadata, "$.jobInsertion.job.jobConfig.queryConfig.query")) as query,
  STRING_AGG(DISTINCT proto_payload.audit_log.authentication_info.principal_email, ',') as users,
  ANY_VALUE(COALESCE(
   JSON_EXTRACT_ARRAY(proto_payload.audit_log.metadata, "$.jobChange.job.jobStats.queryStats.referencedTables"),
   JSON_EXTRACT_ARRAY(proto_payload.audit_log.metadata, "$.jobInsertion.job.jobStats.queryStats.referencedTables"))) as tables,
  COUNT(*) AS counter
FROM 
  `[MY_PROJECT_ID].[MY_LOG_BUCKET_REGION].[MY_LOG_BUCKET_NAME]._AllLogs`
WHERE
  (resource.type = 'bigquery_project' OR resource.type = 'bigquery_dataset')
  AND operation.last IS TRUE
  AND (JSON_VALUE(proto_payload.audit_log.metadata, "$.jobChange") IS NOT NULL
    OR JSON_VALUE(proto_payload.audit_log.metadata, "$.jobInsertion") IS NOT NULL)
  AND timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 7 DAY)
GROUP BY
  query
ORDER BY
  counter DESC
LIMIT 10

SELECT
  COALESCE(
   JSON_EXTRACT_SCALAR(protopayload_auditlog.metadataJson, "$.jobChange.job.jobConfig.queryConfig.query"),
   JSON_EXTRACT_SCALAR(protopayload_auditlog.metadataJson, "$.jobInsertion.job.jobConfig.queryConfig.query")) as query,
  STRING_AGG(DISTINCT protopayload_auditlog.authenticationInfo.principalEmail, ',') as users,
  ANY_VALUE(COALESCE(
   JSON_EXTRACT_ARRAY(protopayload_auditlog.metadataJson, "$.jobChange.job.jobStats.queryStats.referencedTables"),
   JSON_EXTRACT_ARRAY(protopayload_auditlog.metadataJson, "$.jobInsertion.job.jobStats.queryStats.referencedTables"))) as tables,
  COUNT(*) AS counter
FROM `[MY_PROJECT_ID].[MY_DATASET_ID].cloudaudit_googleapis_com_data_access`
WHERE
  (resource.type = 'bigquery_project' OR resource.type = 'bigquery_dataset')
  AND operation.last IS TRUE
  AND (JSON_EXTRACT(protopayload_auditlog.metadataJson, "$.jobChange") IS NOT NULL
    OR JSON_EXTRACT(protopayload_auditlog.metadataJson, "$.jobInsertion") IS NOT NULL)
  AND timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 7 DAY)
GROUP BY
  query
ORDER BY
  counter DESC
LIMIT 10

SELECT
  proto_payload.audit_log.method_name,
  proto_payload.audit_log.service_name,
  resource.type,
  COUNT(*) AS counter
FROM `[MY_PROJECT_ID].[MY_LOG_BUCKET_REGION].[MY_LOG_BUCKET_NAME]._AllLogs`
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 30 DAY)
  AND log_id="cloudaudit.googleapis.com/data_access"
GROUP BY
  proto_payload.audit_log.method_name,
  proto_payload.audit_log.service_name,
  resource.type
ORDER BY
  counter DESC
LIMIT 100

SELECT
  protopayload_auditlog.methodName,
  protopayload_auditlog.serviceName,
  resource.type,
  COUNT(*) AS counter
FROM `[MY_PROJECT_ID].[MY_DATASET_ID].cloudaudit_googleapis_com_data_access`
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 30 DAY)
GROUP BY
  protopayload_auditlog.methodName,
  protopayload_auditlog.serviceName,
  resource.type
ORDER BY
  counter DESC
LIMIT 100

SELECT
  JSON_VALUE(json_payload.connection.src_ip) as src_ip,
  -- TIMESTAMP supports up to 6 digits of fractional precision, so drop any more digits to avoid parse errors
  MIN(TIMESTAMP(REGEXP_REPLACE(JSON_VALUE(json_payload.start_time), r'\.(\d{0,6})\d+(Z)?$', '.\\1\\2'))) AS firstInstance,
  MAX(TIMESTAMP(REGEXP_REPLACE(JSON_VALUE(json_payload.start_time), r'\.(\d{0,6})\d+(Z)?$', '.\\1\\2'))) AS lastInstance,
  ARRAY_AGG(DISTINCT JSON_VALUE(resource.labels.subnetwork_name)) as subnetNames,
  ARRAY_AGG(DISTINCT JSON_VALUE(json_payload.dest_instance.vm_name)) as vmNames,
  COUNT(*) numSamples
FROM `[MY_PROJECT_ID].[MY_LOG_BUCKET_REGION].[MY_LOG_BUCKET_NAME]._AllLogs`
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 60 DAY)
  AND JSON_VALUE(json_payload.reporter) = 'DEST'
  AND JSON_VALUE(resource.labels.subnetwork_name) IN ('prod-customer-data')
GROUP BY
  src_ip
HAVING firstInstance >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 1 DAY)
ORDER BY
  lastInstance DESC,
  numSamples DESC

SELECT
  jsonPayload.connection.src_ip as src_ip,
  -- TIMESTAMP supports up to 6 digits of fractional precision, so drop any more digits to avoid parse errors
  MIN(TIMESTAMP(REGEXP_REPLACE(jsonPayload.start_time, r'\.(\d{0,6})\d+(Z)?$', '.\\1\\2'))) AS firstInstance,
  MAX(TIMESTAMP(REGEXP_REPLACE(jsonPayload.start_time, r'\.(\d{0,6})\d+(Z)?$', '.\\1\\2'))) AS lastInstance,
  ARRAY_AGG(DISTINCT resource.labels.subnetwork_name) as subnetNames,
  ARRAY_AGG(DISTINCT jsonPayload.dest_instance.vm_name) as vmNames,
  COUNT(*) numSamples
FROM `[MY_PROJECT_ID].[MY_DATASET_ID].compute_googleapis_com_vpc_flows`
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 60 DAY)
  AND jsonPayload.reporter = 'DEST'
  AND resource.labels.subnetwork_name IN ('prod-customer-data')
GROUP BY
  src_ip
HAVING firstInstance >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 1 DAY)
ORDER BY
  lastInstance DESC,
  numSamples DESC

SELECT
  timestamp,
  http_request.remote_ip,
  http_request.request_method,
  http_request.status,
  JSON_VALUE(json_payload.enforcedSecurityPolicy.name) AS security_policy_name,
  JSON_VALUE(resource.labels.backend_service_name) AS backend_service_name,
  http_request.request_url,
FROM `[MY_PROJECT_ID].[MY_LOG_BUCKET_REGION].[MY_LOG_BUCKET_NAME]._AllLogs`
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 30 DAY)
  AND resource.type="http_load_balancer"
  AND JSON_VALUE(json_payload.statusDetails) = "denied_by_security_policy"
ORDER BY
  timestamp DESC

SELECT
  timestamp,
  httpRequest.remoteIp,
  httpRequest.requestMethod,
  httpRequest.status,
  jsonpayload_type_loadbalancerlogentry.enforcedsecuritypolicy.name,
  resource.labels.backend_service_name,
  httpRequest.requestUrl,
FROM `[MY_PROJECT_ID].[MY_DATASET_ID].requests`
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 30 DAY)
  AND resource.type="http_load_balancer"
  AND jsonpayload_type_loadbalancerlogentry.statusdetails = "denied_by_security_policy"
ORDER BY
  timestamp DESC

SELECT
  JSON_VALUE(json_payload.alert_time) AS alert_time,
  JSON_VALUE(json_payload.name) AS name,
  JSON_VALUE(json_payload.details) AS details,
  JSON_VALUE(json_payload.application) AS application,
  JSON_VALUE(json_payload.uri_or_filename) AS uri_or_filename,
  JSON_VALUE(json_payload.ip_protocol) AS ip_protocol,
FROM `[MY_PROJECT_ID].[MY_LOG_BUCKET_REGION].[MY_LOG_BUCKET_NAME]._AllLogs`
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 30 DAY)
  AND resource.type="ids.googleapis.com/Endpoint"
  AND JSON_VALUE(json_payload.alert_severity) IN ("HIGH", "CRITICAL")
  AND JSON_VALUE(json_payload.type) = "virus"
ORDER BY 
  timestamp DESC

SELECT
  jsonPayload.alert_time,
  jsonPayload.name,
  jsonPayload.details,
  jsonPayload.application,
  jsonPayload.uri_or_filename,
  jsonPayload.ip_protocol
FROM `[MY_PROJECT_ID].[MY_DATASET_ID].ids_googleapis_com_threat`
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 30 DAY)
  AND resource.type="ids.googleapis.com/Endpoint"
  AND jsonPayload.alert_severity IN ("HIGH", "CRITICAL")
  AND jsonPayload.type = "virus"
ORDER BY 
  timestamp DESC

SELECT
  JSON_VALUE(json_payload.queryName) AS query_name,
  COUNT(*) AS total_queries
FROM
  `[MY_PROJECT_ID].[MY_LOG_BUCKET_REGION].[MY_LOG_BUCKET_NAME]._AllLogs`
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 60 DAY)
  AND log_id="dns.googleapis.com/dns_queries"
GROUP BY
  query_name
ORDER BY
  total_queries DESC
LIMIT
  10

SELECT
 jsonPayload.queryname AS query_name,
 COUNT(*) AS total_queries
FROM
 `[MY_PROJECT_ID].[MY_DATASET_ID].dns_googleapis_com_dns_queries`
WHERE
  timestamp >= TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 60 DAY)
GROUP BY
 query_name
ORDER BY
 total_queries DESC
LIMIT
 10