mirror of
https://github.com/ghndrx/prowler.git
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59 lines
3.0 KiB
Bash
59 lines
3.0 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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CHECK_ID_extra741="7.41"
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CHECK_TITLE_extra741="[extra741] Find keys in EC2 UserData (Not Scored) (Not part of CIS benchmark)"
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CHECK_SCORED_extra741="NOT_SCORED"
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CHECK_TYPE_extra741="EXTRA"
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CHECK_ALTERNATE_check741="extra741"
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extra741(){
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textInfo "Looking for keys in EC2 User Data in instances across all regions... (max 100 instances per region use -m to increase it) "
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for regx in $REGIONS; do
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LIST_OF_EC2_INSTANCES=$($AWSCLI ec2 describe-instances $PROFILE_OPT --region $regx --query Reservations[*].Instances[*].InstanceId --output text --max-items $MAXITEMS | grep -v None)
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if [[ $LIST_OF_EC2_INSTANCES ]];then
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for instance in $LIST_OF_EC2_INSTANCES; do
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USERDATA_FILE=$instance-userdata.decoded
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USERDATA=$($AWSCLI ec2 describe-instance-attribute --attribute userData --query UserData.Value $PROFILE_OPT --region $regx --instance-id $instance --output text | decode_report > $USERDATA_FILE)
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if [ -s $USERDATA_FILE ];then
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FILE_FORMAT_ASCII=$(file -b $USERDATA_FILE|grep ASCII)
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#FINDINGS=$(grep '[A-Za-z0-9]\{20,40\}' $USERDATA_FILE | grep -i -e key -e secret -e token -e pass - |wc -l|tr -d '\ ')
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#FINDINGS=$(grep -i -e key -e secret -e token -e pass $USERDATA_FILE |wc -l|tr -d '\ ')
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# This finds ftp or http URLs with credentials and common keywords
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FINDINGS=$(egrep -i '[[:alpha:]]*://[[:alnum:]]*:[[:alnum:]]*@.*/|key|secret|token|pass' $USERDATA_FILE |wc -l|tr -d '\ ')
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if [[ $FILE_FORMAT_ASCII ]]; then
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if [[ $FINDINGS -eq "0" ]]; then
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textPass "$regx: No keys found in $instance" "$regx"
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# delete file if nothing interesting is there
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rm -f $USERDATA_FILE
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else
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textFail "$regx: Found $FINDINGS keys in $instance! Check file $USERDATA_FILE" "$regx"
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fi
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else
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mv $USERDATA_FILE $USERDATA_FILE.gz ; gunzip $USERDATA_FILE.gz
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if [[ $FINDINGS -eq 0 ]]; then
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textPass "$regx: No keys found in $instance" "$regx"
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rm -f $USERDATA_FILE.gz
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else
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textFail "$regx: Found $FINDINGS keys in $instance! Check file $USERDATA_FILE" "$regx"
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fi
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fi
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else
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textPass "$regx: $instance nothing found" "$regx"
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fi
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done
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else
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textInfo "$regx: No EC2 instances found" "$regx"
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fi
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done
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}
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