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added check extra725 S3 object-level logging
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Toni de la Fuente
@@ -10,49 +10,51 @@
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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_extra725="7.25"
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# CHECK_TITLE_extra725="[extra725] Check if S3 buckets have Object-level logging enabled (Not Scored) (Not part of CIS benchmark)"
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# CHECK_SCORED_extra725="NOT_SCORED"
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# CHECK_ALTERNATE_check725="extra725"
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#
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# aws cloudtrail get-event-selectors --trail-name Default --profile security --region us-east-1 --query "EventSelectors[*].DataResources[?Type == \`AWS::S3::Object\`].Values" --output text |xargs -n1 |cut -d: -f 6|sed 's/\///g'
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#
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# extra725(){
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# # "Check if Lambda functions invoke API operations are being recorded by CloudTrail (Not Scored) (Not part of CIS benchmark)"
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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 $LIST_OF_FUNCTIONS;do
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# LIST_OF_TRAILS=$($AWSCLI cloudtrail describe-trails $PROFILE_OPT --region $regx --query trailList[?HomeRegion==\`$regx\`].Name --output text)
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# if [[ $LIST_OF_TRAILS ]]; then
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# for trail in $LIST_OF_TRAILS; do
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# FUNCTION_ENABLED_IN_TRAIL=$($AWSCLI cloudtrail get-event-selectors $PROFILE_OPT --trail-name $trail --region $regx --query "EventSelectors[*].DataResources[?Type == \`AWS::Lambda::Function\`].Values" --output text |xargs -n1| grep -E "^arn:aws:lambda.*function:$lambdafunction$")
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# if [[ $FUNCTION_ENABLED_IN_TRAIL ]]; then
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# textPass "$regx: Lambda function $lambdafunction enabled in trail $trail" "$regx"
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# else
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# textFail "$regx: Lambda function $lambdafunction NOT enabled in trail $trail" "$regx"
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# fi
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# done
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# # LIST_OF_MULTIREGION_TRAILS=$($AWSCLI cloudtrail describe-trails $PROFILE_OPT --region $regx --query "trailList[?IsMultiRegionTrail == \`true\`].Name" --output text)
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# # if [[ $LIST_OF_MULTIREGION_TRAILS ]]; then
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# # for trail in $LIST_OF_MULTIREGION_TRAILS; do
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# # REGION_OF_TRAIL=$($AWSCLI cloudtrail describe-trails $PROFILE_OPT --region $regx --query "trailList[?IsMultiRegionTrail == \`true\` && Name == \`$trail\` ].HomeRegion" --output text)
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# # FUNCTION_ENABLED_IN_THIS_REGION=$($AWSCLI cloudtrail get-event-selectors $PROFILE_OPT --trail-name $trail --region $REGION_OF_TRAIL --query "EventSelectors[*].DataResources[?Type == \`AWS::Lambda::Function\`].Values" --output text |xargs -n1| grep -E "^arn:aws:lambda.*function:$lambdafunction$")
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# # if [[ $FUNCTION_ENABLED_IN_THIS_REGION ]]; then
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# # textPass "$regx: Lambda function $lambdafunction enabled in trail $trail" "$regx"
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# # else
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# # textFail "$regx: Lambda function $lambdafunction NOT enabled in trail $trail" "$regx"
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# # fi
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# # done
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# # else
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# # textFail "$regx: Lambda function $lambdafunction is not being recorded!" "$regx"
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# # fi
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# else
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# textFail "$regx: Lambda function $lambdafunction is not being recorded no CloudTrail found!" "$regx"
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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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# }
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CHECK_ID_extra725="7.25"
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CHECK_TITLE_extra725="[extra725] Check if S3 buckets have Object-level logging enabled in CloudTrail (Not Scored) (Not part of CIS benchmark)"
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CHECK_SCORED_extra725="NOT_SCORED"
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CHECK_ALTERNATE_check725="extra725"
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# per Object-level logging is not configured at Bucket level but at CloudTrail trail level
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extra725(){
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# "Check if S3 buckets have Object-level logging enabled in CloudTrail (Not Scored) (Not part of CIS benchmark)"
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textInfo "Looking for S3 Buckets Object-level logging information in all trails... "
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# create a file with a list of all buckets
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TEMP_BUCKET_LIST_FILE=$(mktemp -t prowler.bucket-list-XXXXXX)
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$AWSCLI s3api list-buckets --query 'Buckets[*].{Name:Name}' $PROFILE_OPT --region $REGION --output text > $TEMP_BUCKET_LIST_FILE
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# now create a list with all trails available and their region
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TEMP_TRAILS_LIST_FILE=$(mktemp -t prowler.trails-list-XXXXXX)
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for regx in $REGIONS; do
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$AWSCLI cloudtrail describe-trails $PROFILE_OPT --region $regx --query trailList[?HomeRegion==\`$regx\`].[Name,HomeRegion] --output text >> $TEMP_TRAILS_LIST_FILE
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done
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if [ ! -s $TEMP_TRAILS_LIST_FILE ]; then
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textInfo "$regx: No S3 buckets found" "$regx"
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exit
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fi
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# look for buckets being logged per trail and create a list with them
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TEMP_BUCKETS_LOGGING_LIST_FILE=$(mktemp -t prowler.buckets-logging-list-XXXXXX)
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for trail in $(cat $TEMP_TRAILS_LIST_FILE | awk '{ print $1 }'); do
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TRAIL_REGION=$(grep ^$trail $TEMP_TRAILS_LIST_FILE | awk '{ print $2 }')
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BUCKETS_OBJECT_LOGGING_ENABLED=$($AWSCLI cloudtrail get-event-selectors --trail-name $trail $PROFILE_OPT --region $TRAIL_REGION --query "EventSelectors[*].DataResources[?Type == \`AWS::S3::Object\`].Values" --output text |xargs -n1 |cut -d: -f 6|sed 's/\///g')
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echo $BUCKETS_OBJECT_LOGGING_ENABLED |tr " " "\n"|sort >> $TEMP_BUCKETS_LOGGING_LIST_FILE
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if [[ $BUCKETS_OBJECT_LOGGING_ENABLED ]]; then
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for bucket in $BUCKETS_OBJECT_LOGGING_ENABLED; do
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textPass "$regx: S3 bucket $bucket has Object-level logging enabled in trail $trail" "$regx"
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done
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fi
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done
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# diff to get the ones that are not in any trail then they are not logging
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BUCKETS_NOT_LOGGING=$(diff $TEMP_BUCKETS_LOGGING_LIST_FILE $TEMP_BUCKET_LIST_FILE | sed -n 's/^> //p')
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if [[ $BUCKETS_NOT_LOGGING ]]; then
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for bucket in $BUCKETS_NOT_LOGGING; do
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textFail "$regx: S3 bucket $bucket has Object-level logging disabled" "$regx"
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done
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fi
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# delete all temp files
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rm -fr $TEMP_BUCKET_LIST_FILE $TEMP_TRAILS_LIST_FILE $TEMP_BUCKETS_LOGGING_LIST_FILE
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}
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@@ -16,3 +16,9 @@ GROUP_NUMBER[9]='8.0'
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GROUP_TITLE[9]='GDPR Readiness - [gdpr] ****************************************'
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GROUP_RUN_BY_DEFAULT[9]='N' # run it when execute_all is called
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GROUP_CHECKS[9]=''
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# Resources:
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# https://d1.awsstatic.com/whitepapers/compliance/GDPR_Compliance_on_AWS.pdf
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# https://github.com/toniblyx/prowler/issues/189
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# https://www.slideshare.net/AmazonWebServices/sid303-navigating-gdpr-compliance-on-aws
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# https://aws.amazon.com/compliance/gdpr-center/
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