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https://github.com/ghndrx/prowler.git
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85 lines
4.2 KiB
Bash
85 lines
4.2 KiB
Bash
#!/usr/bin/env bash
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# Prowler - the handy cloud security tool (copyright 2018) 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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# Checks that the correct mode (json-asff) has been specified if wanting to send check output to AWS Security Hub
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# and that Security Hub is enabled in the chosen region
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checkSecurityHubCompatibility(){
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local regx
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if [[ "${MODE}" != "json-asff" ]]; then
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echo -e "\n$RED ERROR!$NORMAL Output can only be sent to Security Hub when the output mode is json-asff, i.e. -M json-asff -S\n"
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EXITCODE=1
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exit $EXITCODE
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fi
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for regx in $REGIONS; do
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SECURITY_HUB_ENABLED=$($AWSCLI securityhub --region "$regx" $PROFILE_OPT describe-hub 2>/dev/null)
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if [[ -z "${SECURITY_HUB_ENABLED}" ]]; then
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if [[ -z "${PROWLER_PRODUCT_SUBSCRIPTION_ENABLED}" ]]; then
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echo -e "\n$RED ERROR!$NORMAL Security Hub is not enabled in $regx. Enable it running '$AWSCLI securityhub --region $regx $PROFILE_OPT enable-security-hub'. More info: https://github.com/toniblyx/prowler/#security-hub-integration\n"
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EXITCODE=1
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exit $EXITCODE
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fi
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else
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PROWLER_PRODUCT_SUBSCRIPTION_ENABLED=$($AWSCLI securityhub --region "$regx" $PROFILE_OPT list-enabled-products-for-import --output text | grep "prowler/prowler" )
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if [[ -z "${PROWLER_PRODUCT_SUBSCRIPTION_ENABLED}" ]]; then
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echo -e "\n$RED ERROR!$NORMAL Security Hub is enabled in $regx but Prowler integration does not accept findings. Enable it running '$AWSCLI securityhub --region $regx $PROFILE_OPT enable-import-findings-for-product --product-arn arn:aws:securityhub:$regx::product/prowler/prowler'. More info: https://github.com/toniblyx/prowler/#security-hub-integration\n"
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EXITCODE=1
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exit $EXITCODE
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fi
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fi
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done
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}
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resolveSecurityHubPreviousFails(){
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# Move previous check findings RecordState to ARCHIVED (as prowler didn't re-detect them)
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for regx in $REGIONS; do
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local check="$1"
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NEW_TIMESTAMP=$(get_iso8601_timestamp)
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FILTER="{\"GeneratorId\":[{\"Value\": \"prowler-$check\",\"Comparison\":\"EQUALS\"}],\"RecordState\":[{\"Value\": \"ACTIVE\",\"Comparison\":\"EQUALS\"}]}"
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NEW_FINDING_IDS=$(echo -n "${SECURITYHUB_NEW_FINDINGS_IDS[@]}" | jq -cRs 'split(" ")')
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SECURITY_HUB_PREVIOUS_FINDINGS=$($AWSCLI securityhub --region "$regx" $PROFILE_OPT get-findings --filters "${FILTER}" | jq -c --argjson ids "$NEW_FINDING_IDS" --arg updated_at $NEW_TIMESTAMP '[ .Findings[] | select( .Id| first(select($ids[] == .)) // false | not) | .RecordState = "ARCHIVED" | .UpdatedAt = $updated_at ]')
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if [[ $SECURITY_HUB_PREVIOUS_FINDINGS != "[]" ]]; then
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FINDINGS_COUNT=$(echo $SECURITY_HUB_PREVIOUS_FINDINGS | jq '. | length')
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for i in `seq 0 100 $FINDINGS_COUNT`;
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do
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BATCH_FINDINGS=$(echo $SECURITY_HUB_PREVIOUS_FINDINGS | jq -c '.['"$i:$i+100"']')
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BATCH_IMPORT_RESULT=$($AWSCLI securityhub --region "$regx" $PROFILE_OPT batch-import-findings --findings "${BATCH_FINDINGS}")
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if [[ -z "${BATCH_IMPORT_RESULT}" ]] || jq -e '.FailedCount >= 1' <<< "${BATCH_IMPORT_RESULT}" > /dev/null 2>&1; then
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echo -e "\n$RED ERROR!$NORMAL Failed to send check output to AWS Security Hub\n"
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fi
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done
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fi
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done
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}
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sendToSecurityHub(){
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local findings="$1"
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local region="$2"
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local finding_id=$(echo ${findings} | jq -r .Id )
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SECURITYHUB_NEW_FINDINGS_IDS+=( "$finding_id" )
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BATCH_IMPORT_RESULT=$($AWSCLI securityhub --region "$region" $PROFILE_OPT batch-import-findings --findings "${findings}")
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# Check for success if imported
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if [[ -z "${BATCH_IMPORT_RESULT}" ]] || ! jq -e '.SuccessCount == 1' <<< "${BATCH_IMPORT_RESULT}" > /dev/null 2>&1; then
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echo -e "\n$RED ERROR!$NORMAL Failed to send check output to AWS Security Hub\n"
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fi
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}
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