New check 7161 EFS encryption at rest enabled @rustic

New check 7161 EFS encryption at rest enabled @rustic

checks/check_extra7161

@@ -0,0 +1,43 @@
+#!/usr/bin/env bash
+
+# Prowler - the handy cloud security tool (copyright 2018) by Toni de la Fuente
+#
+# 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.
+CHECK_ID_extra7161="7.161"
+CHECK_TITLE_extra7161="[extra7161] Check if EFS have protects sensative data with encryption at rest"
+CHECK_SCORED_extra7161="NOT_SCORED"
+CHECK_CIS_LEVEL_extra7161="EXTRA"
+CHECK_SEVERITY_extra7161="Medium"
+CHECK_ASFF_RESOURCE_TYPE_extra7161="AwsEfsFileSystem"
+CHECK_ALTERNATE_check7161="extra7161"
+CHECK_SERVICENAME_extra7161="efs"
+CHECK_RISK_extra7161='EFS should be encrypted at rest to prevent exposure of sensitive data to bad actors'
+CHECK_REMEDIATION_extra7161='Ensure that encryption at rest is enabled for EFS file systems. Encryption at rest can only be enabled during the file system creation.'
+CHECK_DOC_extra7161='https://docs.aws.amazon.com/efs/latest/ug/encryption-at-rest.html'
+CHECK_CAF_EPIC_extra7161='Data Protection'
+
+extra7161(){
+  # "Check if EFS has encryption at rest enabled (Not Scored) (Proposed requirement for 1.5 CIS benchmark)"
+  for regx in $REGIONS; do
+  LIST_OF_EFS_IDS=$($AWSCLI efs describe-file-systems $PROFILE_OPT --region $regx --query 'FileSystems[*].FileSystemId' --output text | xargs -n1)
+  if [[ $LIST_OF_EFS_IDS ]]; then
+    for efsId in $LIST_OF_EFS_IDS;do
+      EFS_ENCRYPTION_CHECK=$($AWSCLI efs $PROFILE_OPT describe-file-systems --region $regx --file-system-id $efsId --output json --query 'FileSystems[*].Encrypted' --output text)
+      if [[ $EFS_ENCRYPTION_CHECK == "True" ]]; then
+        textPass "$regx: EFS $efsId has has encryption at rest enabled" "$regx" "$efsId"
+      else
+        textFail "$regx:  EFS: $efsId does not have encryption at rest enabled" "$regx" "$efsId"
+      fi
+    done
+  else
+    textInfo "$regx: No EFS found" "$regx"
+  fi
+ done
+}