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WIP: security hub integration

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This commit is contained in:
Joaquin Rinaudo
2020-09-01 17:03:25 +02:00
parent 6c0e1a13e3
commit 2a4cebaa1e
3 changed files with 64 additions and 8 deletions
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58
include/securityhub_integration
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@@ -28,15 +28,65 @@ checkSecurityHubCompatibility(){
exit $EXITCODE
fi
done
# Get unresolved findings, == FAIL as PASSED are moved to RESOLVED.
SECURITY_HUB_PREVIOUS_FINDINGS=$($AWSCLI securityhub get-findings --filters '{"GeneratorId":[{"Value": "prowler-","Comparison":"PREFIX"}],"WorkflowStatus":[{"Value": "RESOLVED","Comparison":"NOT_EQUALS"}]}' | jq -r ".Findings[] | {Id, GeneratorId, Workflow, Compliance}"| jq -cs)
}
resolveSecurityHubPreviousFails(){
# Move previous findings to Workflow to RESOLVED (as prowler didn't re-detect them)
echo "TEST"
PREVIOUS_FAILED_IDS=$(echo $SECURITY_HUB_PREVIOUS_FINDINGS | jq -c --arg parn "$product_arn" '.[] | select(.Compliance.Status==FAILED) | map({"Id": .Id, ProductArn: $parn} )');
BATCH_UPDATE_RESULT=$($AWSCLI securityhub --region "$region" $PROFILE_OPT batch-update-findings --finding-identifiers "${PREVIOUS_FAILED_IDS}" --workflow '{"Status": "RESOLVED"}')
# Check for success if updated
if [[ ! -z "${BATCH_UPDATE_RESULT}" ]] && ! jq -e '.ProcessedFindings >= 1' <<< "${BATCH_UPDATE_RESULT}" > /dev/null 2>&1; then
echo -e "\n$RED ERROR!$NORMAL Failed to update AWS Security Hub finding\n"
fi
}
sendToSecurityHub(){
local findings="$1"
local region="$2"
BATCH_IMPORT_RESULT=$($AWSCLI securityhub --region "$region" $PROFILE_OPT batch-import-findings --findings "${findings}")
# A successful CLI response is: {"SuccessCount": 1,"FailedFindings": [],"FailedCount": 0}
# Therefore, check that SuccessCount is indeed 1
if [[ -z "${BATCH_IMPORT_RESULT}" ]] || ! jq -e '.SuccessCount == 1' <<< "${BATCH_IMPORT_RESULT}" > /dev/null 2>&1; then
local finding_id=$(echo $findings | jq -r ".Id")
local status=$(echo $findings | jq -r ".Compliance.Status")
local product_arn=$(echo $findings | jq -r ".ProductArn")
local generator_id=$(echo $findings | jq -r ".GeneratorId")
PREVIOUS_FINDING=$(echo $SECURITY_HUB_PREVIOUS_FINDINGS | jq --arg finding "$generator_id" '.[] | select((.GeneratorId==$finding))' | jq -cs)
if [[ $CHECK_PREVIOUS_FINDING != "[]" ]]; then
# Remove from previous findings to update (using generator)
SECURITY_HUB_PREVIOUS_FINDINGS=$(echo $SECURITY_HUB_PREVIOUS_FINDINGS | jq -s --arg finding "$generator_id" '[ .[] | select((.GeneratorId!=$finding)) ]')
SAME_STATUS=$(echo $PREVIOUS_FINDING | jq --arg status "$status" '.[] | select(.Compliance.Status!=$status)')
SUPPRESSED=$(echo $PREVIOUS_FINDING | jq '.[] | select(.Workflow.Status=="SUPPRESSED")')
# If are old non-resolved findings with different status, re-import it to update with previous Id
if [[ ! -z $SAME_STATUS && -z $SUPPRESSED ]]; then
echo "Reimport"
PREVIOUS_FINDING_ID=$(echo $PREVIOUS_FINDING | jq '.[0].Id' );
findings =$(echo $findings | jq --arg previous_id "$PREVIOUS_FINDING_ID" .[0].Id = previous_id)
BATCH_IMPORT_RESULT=$($AWSCLI securityhub --region "$region" $PROFILE_OPT batch-import-findings --findings "${findings}")
else
# Update to avoid being deleted after 90 dayss
echo "Comment"
# BATCH_UPDATE_RESULT=$($AWSCLI securityhub --region "$region" $PROFILE_OPT batch-update-findings --finding-identifiers "${PREVIOUS_FINDING_IDS}" --note '{"Text": "Finding re-detected by Prowler scan", "UpdatedBy": "prowler"}')
fi
else
echo "Import"
#If new, import it
# BATCH_IMPORT_RESULT=$($AWSCLI securityhub --region "$region" $PROFILE_OPT batch-import-findings --findings "${findings}")
fi
# Check for success if updated
if [[ ! -z "${BATCH_UPDATE_RESULT}" ]] && ! jq -e '.ProcessedFindings >= 1' <<< "${BATCH_UPDATE_RESULT}" > /dev/null 2>&1; then
echo -e "\n$RED ERROR!$NORMAL Failed to update AWS Security Hub finding\n"
fi
# Check for success if imported
if [[ ! -z "${BATCH_IMPORT_RESULT}" ]] && ! jq -e '.SuccessCount == 1' <<< "${BATCH_IMPORT_RESULT}" > /dev/null 2>&1; then
echo -e "\n$RED ERROR!$NORMAL Failed to send check output to AWS Security Hub\n"
fi
}