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https://github.com/ghndrx/prowler.git
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41 lines
2.2 KiB
Bash
41 lines
2.2 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_extra7134="7.134"
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CHECK_TITLE_extra7134="[extra7134] Ensure no security groups allow ingress from 0.0.0.0/0 or ::/0 to FTP ports 20 or 21 "
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CHECK_SCORED_extra7134="NOT_SCORED"
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CHECK_CIS_LEVEL_extra7134="EXTRA"
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CHECK_SEVERITY_extra7134="High"
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CHECK_ASFF_RESOURCE_TYPE_extra7134="AwsEc2SecurityGroup"
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CHECK_ALTERNATE_check7134="extra7134"
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CHECK_SERVICENAME_extra7134="ec2"
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CHECK_RISK_extra7134='If Security groups are not properly configured the attack surface is increased. '
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CHECK_REMEDIATION_extra7134='Use a Zero Trust approach. Narrow ingress traffic as much as possible. Consider north-south as well as east-west traffic.'
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CHECK_DOC_extra7134='https://docs.aws.amazon.com/vpc/latest/userguide/VPC_SecurityGroups.html'
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CHECK_CAF_EPIC_extra7134='Infrastructure Security'
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extra7134(){
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for regx in $REGIONS; do
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SG_LIST=$($AWSCLI ec2 describe-security-groups --query 'SecurityGroups[?length(IpPermissions[?((FromPort==null && ToPort==null) || (FromPort==`20` && ToPort==`21`)) && (contains(IpRanges[].CidrIp, `0.0.0.0/0`) || contains(Ipv6Ranges[].CidrIpv6, `::/0`))]) > `0`].{GroupId:GroupId}' $PROFILE_OPT --region $regx --output text 2>&1)
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if [[ $(echo "$SG_LIST" | grep -E 'AccessDenied|UnauthorizedOperation|AuthorizationError') ]]; then
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textInfo "$regx: Access Denied trying to describe security groups" "$regx"
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continue
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fi
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if [[ $SG_LIST ]];then
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for SG in $SG_LIST;do
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textFail "$regx: Found Security Group: $SG open to 0.0.0.0/0 for FTP ports" "$regx" "$SG"
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done
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else
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textPass "$regx: No Security Groups found with any port open to 0.0.0.0/0 for FTP ports" "$regx" "$SG"
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fi
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done
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} |