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https://github.com/ghndrx/prowler.git
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59 lines
2.8 KiB
Bash
59 lines
2.8 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_extra760="7.60"
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CHECK_TITLE_extra760="[extra760] Find secrets in Lambda functions code (Not Scored) (Not part of CIS benchmark)"
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CHECK_SCORED_extra760="NOT_SCORED"
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CHECK_TYPE_extra760="EXTRA"
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CHECK_SEVERITY_extra760="Critical"
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CHECK_ASFF_RESOURCE_TYPE_extra760="AwsLambdaFunction"
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CHECK_ALTERNATE_check760="extra760"
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CHECK_SERVICENAME_extra760="lambda"
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extra760(){
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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 Lambda functions code across all regions... "
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textInfo "This check may take a while depending on your functions size! "
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for regx in $REGIONS; do
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LIST_OF_FUNCTIONS=$($AWSCLI lambda list-functions $PROFILE_OPT --region $regx --query Functions[*].FunctionName --output text)
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if [[ $LIST_OF_FUNCTIONS ]]; then
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for lambdafunction in $LIST_OF_FUNCTIONS;do
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LAMBDA_FUNCTION_FOLDER="$SECRETS_TEMP_FOLDER/extra760-$lambdafunction-$regx"
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LAMBDA_FUNCTION_FILE="$lambdafunction-code.zip"
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LAMBDA_CODE_LOCATION=$($AWSCLI lambda get-function $PROFILE_OPT --region $regx --function-name $lambdafunction --query Code.Location --output text)
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mkdir $LAMBDA_FUNCTION_FOLDER
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# DOWNLOAD the code in a zip file
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curl -s $LAMBDA_CODE_LOCATION -o $LAMBDA_FUNCTION_FOLDER/$LAMBDA_FUNCTION_FILE
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unzip -qq $LAMBDA_FUNCTION_FOLDER/$LAMBDA_FUNCTION_FILE -d $LAMBDA_FUNCTION_FOLDER
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FINDINGS=$(secretsDetector folder $LAMBDA_FUNCTION_FOLDER)
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if [[ $FINDINGS -eq 0 ]]; then
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textPass "$regx: No secrets found in Lambda function $lambdafunction code" "$regx"
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# delete files if nothing interesting is there
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rm -fr $LAMBDA_FUNCTION_FOLDER
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else
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textFail "$regx: Potential secret found in Lambda function $lambdafunction code" "$regx"
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# delete files to not leave trace, user must look at the function
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rm -fr $LAMBDA_FUNCTION_FOLDER
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fi
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done
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else
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textInfo "$regx: No Lambda functions found" "$regx"
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fi
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done
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rm -fr $SECRETS_TEMP_FOLDER
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}
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