From 2f17cfbc302ebedd2a1f0156cc7272fb6ad8026f Mon Sep 17 00:00:00 2001
From: Fayez Barbari <fayez.barbari@grainbridge.com>
Date: Mon, 20 Jan 2020 17:14:52 -0600
Subject: [PATCH] Check if CloudFront is using a WAF

---
 checks/check_extra772 | 34 ++++++++++++++++++++++++++++++++++
 groups/group7_extras  |  2 +-
 2 files changed, 35 insertions(+), 1 deletion(-)
 create mode 100644 checks/check_extra772

diff --git a/checks/check_extra772 b/checks/check_extra772
new file mode 100644
index 00000000..d08515a1
--- /dev/null
+++ b/checks/check_extra772
@@ -0,0 +1,34 @@
+#!/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_extra772="7.72"
+CHECK_TITLE_extra772="[extra772] Check if CloudFront distributions are using WAF (Not Scored) (Not part of CIS benchmark)"
+CHECK_SCORED_extra772="NOT_SCORED"
+CHECK_TYPE_extra772="EXTRA"
+CHECK_ALTERNATE_check772="extra772"
+
+extra772(){
+  # "Check if CloudFront distributions have logging enabled (Not Scored) (Not part of CIS benchmark)"
+  LIST_OF_DISTRIBUTIONS=$($AWSCLI cloudfront list-distributions $PROFILE_OPT --query 'DistributionList.Items[].Id' --output text | grep -v "^None")
+  if [[ $LIST_OF_DISTRIBUTIONS ]]; then
+    for dist in $LIST_OF_DISTRIBUTIONS; do
+      WEB_ACL_ID=$($AWSCLI cloudfront get-distribution $PROFILE_OPT --id "$dist" --query 'Distribution.DistributionConfig.WebACLId' --output text)
+      if [[ $WEB_ACL_ID ]]; then
+        textPass "CloudFront distribution $dist is using AWS WAF web ACL $WEB_ACL_ID"
+      else
+        textFail "CloudFront distribution $dist is not using AWS WAF web ACL"
+      fi
+    done
+  else
+    textInfo "No CloudFront distributions found"
+  fi
+}
diff --git a/groups/group7_extras b/groups/group7_extras
index 12afb988..b452cecd 100644
--- a/groups/group7_extras
+++ b/groups/group7_extras
@@ -15,7 +15,7 @@ GROUP_ID[7]='extras'
 GROUP_NUMBER[7]='7.0'
 GROUP_TITLE[7]='Extras - [extras] **********************************************'
 GROUP_RUN_BY_DEFAULT[7]='Y' # run it when execute_all is called
-GROUP_CHECKS[7]='extra71,extra72,extra73,extra74,extra75,extra76,extra77,extra78,extra79,extra710,extra711,extra712,extra713,extra714,extra715,extra716,extra717,extra718,extra719,extra720,extra721,extra722,extra723,extra724,extra725,extra726,extra727,extra728,extra729,extra730,extra731,extra732,extra733,extra734,extra735,extra736,extra737,extra738,extra739,extra740,extra741,extra742,extra743,extra744,extra745,extra746,extra747,extra748,extra749,extra750,extra751,extra752,extra753,extra754,extra755,extra756,extra757,extra758,extra761,extra762,extra763,extra764,extra765,extra766,extra767,extra768,extra769,extra770,extra771'
+GROUP_CHECKS[7]='extra71,extra72,extra73,extra74,extra75,extra76,extra77,extra78,extra79,extra710,extra711,extra712,extra713,extra714,extra715,extra716,extra717,extra718,extra719,extra720,extra721,extra722,extra723,extra724,extra725,extra726,extra727,extra728,extra729,extra730,extra731,extra732,extra733,extra734,extra735,extra736,extra737,extra738,extra739,extra740,extra741,extra742,extra743,extra744,extra745,extra746,extra747,extra748,extra749,extra750,extra751,extra752,extra753,extra754,extra755,extra756,extra757,extra758,extra761,extra762,extra763,extra764,extra765,extra766,extra767,extra768,extra769,extra770,extra771,extra772'
 
 # Extras 759 and 760 (lambda variables and code secrets finder are not included)
 # to run detect-secrets use `./prowler -g secrets`