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https://github.com/ghndrx/prowler.git
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59 lines
2.7 KiB
Bash
59 lines
2.7 KiB
Bash
#!/usr/bin/env bash
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# Prowler - the handy cloud security tool (copyright 2019) by Toni de la Fuente
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy
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# of the License at http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software distributed
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# under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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# CONDITIONS OF ANY KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations under the License.
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CHECK_ID_extra742="7.42"
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CHECK_TITLE_extra742="[extra742] Find secrets in CloudFormation outputs (Not Scored) (Not part of CIS benchmark)"
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CHECK_SCORED_extra742="NOT_SCORED"
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CHECK_TYPE_extra742="EXTRA"
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CHECK_ALTERNATE_check742="extra742"
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extra742(){
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SECRETS_TEMP_FOLDER="$PROWLER_DIR/secrets-$ACCOUNT_NUM"
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if [[ ! -d $SECRETS_TEMP_FOLDER ]]; then
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# this folder is deleted once this check is finished
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mkdir $SECRETS_TEMP_FOLDER
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fi
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textInfo "Looking for secrets in CloudFormation output across all regions... "
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for regx in $REGIONS; do
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CFN_STACKS=$($AWSCLI cloudformation describe-stacks $PROFILE_OPT --region $regx)
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LIST_OF_CFN_STACKS=$(echo $CFN_STACKS | jq -r '.Stacks[].StackName')
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if [[ $LIST_OF_CFN_STACKS ]];then
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for stack in $LIST_OF_CFN_STACKS; do
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CFN_OUTPUTS_FILE="$SECRETS_TEMP_FOLDER/extra742-$stack-$regx-outputs.txt"
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echo $CFN_STACKS | jq --arg s "$stack" -r '.Stacks[] | select( .StackName == $s ) | .Outputs[]? | "\(.OutputKey) \(.OutputValue)"' > $CFN_OUTPUTS_FILE
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if [ -s $CFN_OUTPUTS_FILE ];then
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# This finds ftp or http URLs with credentials and common keywords
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# FINDINGS=$(egrep -i '[[:alpha:]]*://[[:alnum:]]*:[[:alnum:]]*@.*/|key|secret|token|pass' $CFN_OUTPUTS_FILE |wc -l|tr -d '\ ')
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# New implementation using https://github.com/Yelp/detect-secrets
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FINDINGS=$(secretsDetector file $CFN_OUTPUTS_FILE)
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if [[ $FINDINGS -eq 0 ]]; then
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textPass "$regx: No secrets found in stack $stack Outputs" "$regx"
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# delete file if nothing interesting is there
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rm -f $CFN_OUTPUTS_FILE
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else
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textFail "$regx: Potential secret found in stack $stack Outputs" "$regx"
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# delete file to not leave trace, user must look at the CFN Stack
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rm -f $CFN_OUTPUTS_FILE
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fi
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else
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textInfo "$regx: CloudFormation stack $stack has no Outputs" "$regx"
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fi
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done
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else
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textInfo "$regx: No CloudFormation stacks found" "$regx"
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fi
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done
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rm -rf $SECRETS_TEMP_FOLDER
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}
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