1_20_access_attempts_blocked_by_IAP.yaral

/*
 * Copyright 2022 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
 rule access_attempts_blocked_by_IAP{
    meta:
        author = "Don Sailing (CYDERES)"
        description = "Show attempts blocked by identity aware proxy"
        severity = "Medium"

    events:
        $event.metadata.vendor_name = "Google Cloud Platform"
        $event.metadata.product_name = "Google Compute Engine"
        $event.metadata.event_type = "NETWORK_HTTP"
        $event.target.resource.name = "http_load_balancer"
        $event.security_result.description = "handled_by_identity_aware_proxy"
        $event.security_result.action = "BLOCK"


    condition:
        $event
}