From 3b264d556bd7da1ae375f06b3e956fa3043c66d3 Mon Sep 17 00:00:00 2001
From: Kinnaird McQuade <kmcquade@salesforce.com>
Date: Thu, 12 Dec 2019 11:07:14 -0500
Subject: [PATCH] Added check_extra770, which checks for internet facing
 instances with an Instance Profile attached.

---
 checks/check_extra770 | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 checks/check_extra770

diff --git a/checks/check_extra770 b/checks/check_extra770
new file mode 100644
index 00000000..f39de564
--- /dev/null
+++ b/checks/check_extra770
@@ -0,0 +1,35 @@
+#!/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_extra770="7.70"
+CHECK_TITLE_extra770="[extra770] Check for internet facing EC2 instances with Instance Profiles attached (Not Scored) (Not part of CIS benchmark)"
+CHECK_SCORED_extra770="NOT_SCORED"
+CHECK_TYPE_extra770="EXTRA"
+CHECK_ALTERNATE_check770="extra770"
+
+extra770(){
+  # "Check for internet facing EC2 Instances (Not Scored) (Not part of CIS benchmark)"
+  textInfo "Looking for instances in all regions...  "
+  for regx in $REGIONS; do
+    LIST_OF_PUBLIC_INSTANCES_WITH_INSTANCE_PROFILES=$($AWSCLI ec2 describe-instances $PROFILE_OPT --region $regx --query 'Reservations[*].Instances[?((IamInstanceProfile!=`null` && PublicIpAddress!=`null`))].[InstanceId,PublicIpAddress,IamInstanceProfile.Arn]' --output text)
+    if [[ $LIST_OF_PUBLIC_INSTANCES_WITH_INSTANCE_PROFILES ]];then
+      while read -r instance;do
+        INSTANCE_ID=$(echo $instance | awk '{ print $1; }')
+        PUBLIC_IP=$(echo $instance | awk '{ print $2; }')
+        INSTANCE_PROFILE=$(echo $instance | awk '{ print $3; }')
+        textFail "$regx: Instance: $INSTANCE_ID at IP: $PUBLIC_IP is internet-facing with Instance Profile $INSTANCE_PROFILE" "$regx"
+      done <<< "$LIST_OF_PUBLIC_INSTANCES_WITH_INSTANCE_PROFILES"
+      else
+        textPass "$regx: no Internet Facing EC2 Instances with Instance Profiles found" "$regx"
+    fi
+  done
+}