diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 00000000..72e2ac53
Binary files /dev/null and b/.DS_Store differ
diff --git a/checks/check_extra999 b/checks/check_extra999
new file mode 100644
index 00000000..2b7cf285
--- /dev/null
+++ b/checks/check_extra999
@@ -0,0 +1,68 @@
+#!/usr/bin/env bash
+
+# Prowler - the handy cloud security tool (copyright 2019) 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_extra999="0.00"
+CHECK_TITLE_extra999="[extra999] Find secrets in EC2 Auto Scaling Launch Configuration (Not Scored) (Not part of CIS benchmark)"
+CHECK_SCORED_extra999="NOT_SCORED"
+CHECK_TYPE_extra999="EXTRA"
+CHECK_ALTERNATE_check000="extra999"
+
+extra999(){
+  SECRETS_TEMP_FOLDER="$PROWLER_DIR/secrets-$ACCOUNT_NUM"
+  if [[ ! -d $SECRETS_TEMP_FOLDER ]]; then 
+    # this folder is deleted once this check is finished
+    mkdir $SECRETS_TEMP_FOLDER
+  fi 
+
+  textInfo "Looking for secrets in EC2 Auto Scaling Launch Configuration across all regions... (max 100 autoscaling_configurations per region use -m to increase it)  "
+  for regx in $REGIONS; do
+    LIST_OF_EC2_AUTOSCALING=$($AWSCLI autoscaling describe-launch-configurations $PROFILE_OPT --region $regx --query LaunchConfigurations[*].LaunchConfigurationName --output text --max-items $MAXITEMS | grep -v None)
+    if [[ $LIST_OF_EC2_AUTOSCALING ]];then
+      for autoscaling_configuration in $LIST_OF_EC2_AUTOSCALING; do
+        EC2_AUTOSCALING_USERDATA_FILE="$SECRETS_TEMP_FOLDER/extra999-$autoscaling_configuration-userData.decoded"
+        EC2_AUTOSCALING_USERDATA=$($AWSCLI autoscaling describe-launch-configurations $PROFILE_OPT --launch-configuration-names $autoscaling_configuration --region $regx --query LaunchConfigurations[*].UserData --output text| grep -v ^None | decode_report > $EC2_AUTOSCALING_USERDATA_FILE)
+        if [ -s $EC2_AUTOSCALING_USERDATA_FILE ];then
+          FILE_FORMAT_ASCII=$(file -b $EC2_AUTOSCALING_USERDATA_FILE | grep ASCII)
+          # This finds ftp or http URLs with credentials and common keywords
+          # FINDINGS=$(egrep -i '[[:alpha:]]*://[[:alnum:]]*:[[:alnum:]]*@.*/|key|secret|token|pass' $EC2_AUTOSCALING_USERDATA_FILE |wc -l|tr -d '\ ')
+          # New implementation using https://github.com/Yelp/detect-secrets
+          if [[ $FILE_FORMAT_ASCII ]]; then
+          FINDINGS=$(secretsDetector file $EC2_AUTOSCALING_USERDATA_FILE)
+            if [[ $FINDINGS -eq 0 ]]; then
+              textPass "$regx: No secrets found in $autoscaling_configuration" "$regx"
+              # delete file if nothing interesting is there
+              rm -f $EC2_AUTOSCALING_USERDATA_FILE
+            else
+              textFail "$regx: Potential secret found in $autoscaling_configuration" "$regx"
+              # delete file to not leave trace, user must look at the autoscaling_configuration User Data
+              rm -f $EC2_AUTOSCALING_USERDATA_FILE
+            fi
+          else
+            mv $EC2_AUTOSCALING_USERDATA_FILE $EC2_AUTOSCALING_USERDATA_FILE.gz ; gunzip $EC2_AUTOSCALING_USERDATA_FILE.gz
+            FINDINGS=$(secretsDetector file $EC2_AUTOSCALING_USERDATA_FILE)
+            if [[ $FINDINGS -eq 0 ]]; then
+              textPass "$regx: No secrets found in $autoscaling_configuration User Data" "$regx"
+              rm -f $EC2_AUTOSCALING_USERDATA_FILE
+            else
+              textFail "$regx: Potential secret found in $autoscaling_configuration" "$regx"
+            fi
+          fi
+        else 
+          textPass "$regx: No secrets found in $autoscaling_configuration User Data or it is empty" "$regx"
+        fi
+      done
+    else
+      textInfo "$regx: No EC2 autoscaling_configurations found" "$regx"
+    fi
+  done
+  rm -rf $SECRETS_TEMP_FOLDER
+}
diff --git a/groups/group7_extras b/groups/group7_extras
index 84280f8e..5e928c3a 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,extra767,extra768,extra769,extra770,extra771,extra772,extra773,extra774'
+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,extra767,extra768,extra769,extra770,extra771,extra772,extra773,extra774,extra999'
 
 # Extras 759 and 760 (lambda variables and code secrets finder are not included)
 # to run detect-secrets use `./prowler -g secrets`