sap change documents sensitive role assignment

/*
 * Copyright 2026 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
 *
 *     https://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 sap_change_documents_sensitive_role_assignment {

    meta:
        author = "Google Cloud Security"
        description = "Detects the assignment of highly privileged SAP roles via Change Documents."
        severity = "Critical"
        tactic = "TA0004"
        technique = "T1098"

    events:
        $e.metadata.log_type = "SAP_CHANGE_DOCUMENT"
        $e.target.resource.product_object_id in %sap_sensitive_roles.role

        $principal_user = $e.principal.user.userid


    match:
        $principal_user over 30m

    outcome:
        $target_user = array_distinct($e.target.resource.product_object_id)
        $tcode = array_distinct($e.target.application)
        $tabname = array_distinct($e.target.resource.attribute.labels["TABNAME"])
        $sensitive_role_assigned = array_distinct($e.target.resource.attribute.labels["TABKEY"])

    condition:
        $e

}