Added check_extra7162 which checks if Log groups have 365 days retention

checks/check_extra7162

@@ -0,0 +1,42 @@
+#!/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_extra7162="7.162"
+CHECK_TITLE_extra7162="[extra7162] Check if Log Groups have a retention policy of 365 days"
+CHECK_SCORED_extra7162="NOT_SCORED"
+CHECK_CIS_LEVEL_extra7162="EXTRA"
+CHECK_SEVERITY_extra7162="Medium"
+CHECK_ASFF_RESOURCE_TYPE_extra7162="AwsCloudWatchLogs"
+CHECK_ALTERNATE_check7162="extra7162"
+CHECK_SERVICENAME_extra7162="logs"
+CHECK_RISK_extra7162='If log groups have a low retention policy of less than 365 days, crucial logs and data can be lost'
+CHECK_REMEDIATION_extra7162='Add Log Retention policy of 365 days to log groups. This will persist logs and traces for a long time.'
+CHECK_DOC_extra7162='https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/AWS_Logs.html'
+CHECK_CAF_EPIC_extra7162='Data Retention'
+
+extra7162() {
+    # "Check if Log Groups have retention Policy of 356 days"
+    for regx in $REGIONS; do
+        LIST_OF_365_RETENTION_LOG_GROUPS=$($AWSCLI logs describe-log-groups $PROFILE_OPT --region $regx --query 'logGroups[?retentionInDays==`365`].[logGroupName]' --output text))
+        if [[ $LIST_OF_365_RETENTION_LOG_GROUPS ]]; then
+            for log in $LIST_OF_365_RETENTION_LOG_GROUPS; do
+                textPass "$regx: $log has 365 days retention period!" "$regx" "$log"
+            done
+        fi
+        LIST_OF_NON_365_RETENTION_LOG_GROUPS=$($AWSCLI logs describe-log-groups $PROFILE_OPT --region $regx --query 'logGroups[?retentionInDays!=`365`].[logGroupName]' --output text))
+        if [[ $LIST_OF_NON_365_RETENTION_LOG_GROUPS ]]; then
+            for log in $LIST_OF_NON_365_RETENTION_LOG_GROUPS; do
+                textFail "$regx: $log does not have 365 days retention period!" "$regx" "$log"
+            done
+        fi
+    done
+}