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zeus.sh
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zeus.sh
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#!/bin/bash
gr='\033[1;32m'
re='\033[1;31m'
xx='\033[0m'
yw='\033[1;33m'
bl='\033[0;34m'
show(){
printf "${!1}\n"
}
acc1="Avoid the use of the root account."
acc2="Ensure MFA is enabled for all IAM users that have a console password."
acc3="Ensure credentials unused for 90 days or greater are disabled."
acc4="Ensure access keys are rotated every 90 days or less."
acc5="Ensure IAM password policy requires at least one uppercase letter."
acc6="Ensure IAM password policy requires at least one lowercase letter."
acc7="Ensure IAM password policy requires at least one symbol."
acc8="Ensure IAM password policy requires at least one number."
acc9="Ensure IAM password policy requires minimum length of 14 or greater."
acc12="Ensure no root account access key exist."
acc13="Ensure MFA is enabled for the root account."
acc15="Ensure security questions are registered in the AWS account."
acc16="Ensure IAM policies are attached only to groups or roles"
acc20="Ensure a support role has been created to manage incidents with AWS Support."
log1="Ensure CloudTrail is enabled in all regions:"
log2="Ensure CloudTrail log file validation is enabled:"
log3="Ensure the S3 bucket CloudTrail logs to is not publicly accessible:"
log4="Ensure CloudTrail trails are integrated with CloudWatch logs:"
log5="Ensure AWS Config is enabled in all regions:"
log6="Ensure S3 bucket access logging is enabled on the CloudTrail S3 bucket:"
log7="Ensure CloudTrail logs are encrypted at rest using KMS CMKs:"
log8="Ensure rotation for customer created CMKs is enabled:"
mon1="Ensure a log metric filter and alarm exist for unauthorized API calls."
mon2="Ensure a log metric filter and alarm exist for Management Console sign-in without MFA."
mon3="Ensure a log metric filter and alarm exist for usage of "root" account."
mon4="Ensure a log metric filter and alarm exist for IAM policy changes."
mon5="Ensure a log metric filter and alarm exist for CloudTrail configuration changes."
mon6="Ensure a log metric filter and alarm exist for AWS Management Console authentication failures."
mon7="Ensure a log metric filter and alarm exist for disabling or scheduled deletion of customer created CMKs."
mon8="Ensure a log metric filter and alarm exist for S3 bucket policy changes."
mon9="Ensure a log metric filter and alarm exist for AWS Config configuration changes."
mon10="Ensure a log metric filter and alarm exist for security group changes."
mon11="Ensure a log metric filter and alarm exist for changes to NetworkAccess Control Lists (NACL)."
mon12="Ensure a log metric filter and alarm exist for changes to network gateways."
mon13="Ensure a log metric filter and alarm exist for route table changes."
mon14="Ensure a log metric filter and alarm exist for VPC changes."
net1="Ensure no security groups allow ingress from 0.0.0.0/0 to port 22"
net2="Ensure no security groups allow ingress from 0.0.0.0/0 to port 3389"
net3="Ensure VPC flow logging is enabled in all VPCs."
hp="$(basename "$0") [-h] [-n 1] -- Zeus is a friend of DevOps/SysAdmins.
options:
-h help menu
-n 1 no ask for fixing to WARNING reports."
while getopts ':hn:' option; do
case "$option" in
h) echo "$hp"
exit
;;
n)
gr='\033[1;32m'
re='\033[1;31m'
xx='\033[0m'
yw='\033[1;33m'
bl='\033[0;34m'
show(){
printf "${!1}\n"
}
#echo "+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+"
echo " ______ ______ __ __ ______"
echo " /\___ \ /\ ___\ /\ \/\ \ /\ ___\ "
echo " \/_/ /__ \ \ __\ \ \ \_\ \ \ \___ \ "
echo " /\_____\ \ \_____\ \ \_____\ \/\_____\ "
echo " \/_____/ \/_____/ \/_____/ \/_____/ "
echo -en '\n'
#echo "+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+"
echo -en '\n'
echo -e "____________________________________________"
echo -en '\n'
echo -e "${bl}AWS Auditing & Hardening Tool v1.0 ~${xx}"
echo -en '\n'
echo -e "${re}[email protected]${xx}"
echo -e "${re}twitter.com/_denizparlak${xx}"
echo -en '\n'
echo -e "Zeus starting at.." `date`
#echo -en '\n'
echo -e "____________________________________________"
echo -en '\n'
check_aws(){
type "$1" &> /dev/null
}
check_pip(){
type "$1" &> /dev/null
}
check_os(){
if [[ $OSTYPE == darwin* ]]
then
echo -e "${yw}INFO${xx}: Operating System: MacOS" | tee -a reports/reports.1
if check_pip pip ; then
echo -e "${yw}INFO{$xx}:." | tee -a reports/reports.1
else
curl -O https://bootstrap.pypa.io/get-pip.py &> /dev/null
python3 get-pip.py --user &> /dev/null
fi
if check_aws aws ; then
echo -e "${yw}INFO${xx}: AWS-CLI is installed on the system." | tee -a reports/reports.1
else
pip3 install --user --upgrade awscli &> /dev/null
fi
echo ""
elif [[ "$OSTYPE" == linux* ]]
then
echo -e "${yw}INFO${xx}: Operating System: Linux" | tee -a reports/reports.1
if check_pip pip; then
echo -e "${yw}INFO${xx}: pip is installed on the system." | tee -a reports/reports.1
else
apt install -y python-pip
fi
if check_aws aws ; then
echo -e "${yw}INFO${xx}: AWS-CLI is installed on the system." | tee -a reports/reports.1
echo -e "____________________________________________"
echo -en '\n'
else
apt install -y python-pip
fi
echo ""
fi
}
check_os
avoid_root(){
cre_rep=$(aws iam generate-credential-report)
aws iam get-credential-report --query 'Content' --output text | base64 -d | cut -d, -f1,5,11,16 > credential_reports.txt
echo -en "IAM credential report file created as 'credential_reports.txt'" | tee -a reports/reports.1
echo ""
}
show acc1
echo "Result:"
echo ""
avoid_root
echo ""
echo -e "____________________________________________"
echo -en '\n'
mfa_iam(){
aws iam get-credential-report --query 'Content' --output text | base64 -d | cut -d, -f1,4,8 > mfa_reports.txt
echo -en "MFA credential report file created as 'mfa_reports.txt'" | tee -a reports/reports.1
echo ""
}
show acc2
echo "Result:"
echo ""
mfa_iam
echo ""
echo -e "____________________________________________"
echo -en '\n'
days_90(){
rep_days=$(aws iam get-credential-report --query 'Content' --output text | base64 -d | cut -d, -f1,4,5,9,10,11,14,15,16 | awk -F "," '{print $2}' | sed -n '2p')
if [ "$rep_days" == "not_supported" ]
then
echo -e "${re}WARNING${xx}"
echo -e "Password not supported!"
else
echo -e "${gr}OK${xx}"
echo -e "Password enabled for each user!"
fi
}
show acc3
echo "Result:"
echo ""
days_90
echo ""
echo -e "____________________________________________"
echo -en '\n'
rotated_90(){
aws iam get-credential-report --query 'Content' --output text | base64 -d > access_key.log
echo -en "Access keys rotate log file created as access_key.log" | tee -a reports/reports.1
echo ""
}
show acc4
echo "Result:"
echo ""
rotated_90
echo ""
echo -e "____________________________________________"
echo -en '\n'
uppercase_iam(){
up_c=$(aws iam get-account-password-policy | grep RequireUpper | awk -F ":" '{print $2}' | sed -e 's/.$//' | sed -e 's/^\s*//')
if aws iam get-account-password-policy | grep "NoSuch" || [ "$up_c" == "false" ]
then
echo -en "${re}WARNING${xx}"
echo ""
echo -en "Uppercase letter force was not setted for IAM password policy!" | tee -a reports/reports.1
else
echo -en "${gr}OK${xx}"
echo ""
echo -en "Uppercase letter force active!" | tee -a reports/reports.1
fi
}
show acc5
echo "Result:"
echo ""
uppercase_iam
echo ""
echo -e "____________________________________________"
echo -en '\n'
lowercase_iam(){
low_c=$(aws iam get-account-password-policy | grep RequireLower | awk -F ":" '{print $2}' | sed -e 's/.$//' | sed -e 's/^\s*//')
if aws iam get-account-password-policy | grep "NoSuch" || [ "$low_c" == "false" ]
then
echo -en "${re}WARNING${xx}"
echo ""
echo -en "Lowercase letter force was not setted for IAM password policy!" | tee -a reports/reports.1
echo ""
else
echo -en "${gr}OK${xx}"
echo ""
echo -en "Lowercase letter force active!"
fi
}
show acc6
echo "Result:"
echo ""
lowercase_iam
echo ""
echo -e "____________________________________________"
echo -en '\n'
sym_c=$(aws iam get-account-password-policy | grep RequireSym | awk -F ":" '{print $2}' | sed -e 's/.$//' | sed -e 's/^\s*//' | sed -e 's/^\s*//')
symbols_req(){
if aws iam get-account-password-policy | grep "NoSuch" || [ "$sym_c" == "false" ]
then
echo -en "${re}WARNING${xx}"
echo ""
echo -en "At least one symbol force was not setted for IAM password policy!" | tee -a reports/reports.1
echo ""
else
echo -en "${gr}OK${xx}"
echo ""
echo -en "At least one symbol force active!"
fi
}
show acc7
echo "Result:"
echo ""
symbols_req
echo ""
echo -e "____________________________________________"
echo -en '\n'
require_num(){
num_c=$(aws iam get-account-password-policy | grep RequireNumber | awk -F ":" '{print $2}' | sed -e 's/.$//' | sed -e 's/^\s*//')
if aws iam get-account-password-policy | grep "NoSuch" || [ "$num_c" == "false" ]
then
echo -en "${re}WARNING${xx}"
echo ""
echo -en "Number force was not setted for IAM password policy!" | tee -a reports/reports.1
echo ""
else
echo -en "${gr}OK${xx}"
echo ""
echo -en "Number force active!"
fi
}
show acc8
echo "Result:"
echo ""
require_num
echo ""
echo -e "____________________________________________"
echo -en '\n'
min_len(){
min_n=$(aws iam get-account-password-policy | grep Minimum | awk -F ":" '{print $2}' | sed -e 's/.$//' | sed -e 's/^\s*//')
if aws iam get-account-password-policy | grep "NoSuch" || [ "$min_n" == "6" ]
then
echo -en "${re}WARNING${xx}"
echo ""
echo -en "Required minimum length = 14"
echo ""
else
echo -en "${gr}OK${xx}"
echo ""
echo -en "Minimum number length is $min_n now."
fi
}
show acc9
echo "Result:"
echo ""
min_len
echo ""
echo -e "____________________________________________"
echo -en '\n'
###
root_access_key(){
aws iam generate-credential-report
aws iam get-credential-report --query 'Content' --output text | base64 -d | cut -d, -f1,9,14 | grep -B1 root > root_access_key.log
echo -en "Root access key log file created as root_access_key.log" | tee -a reports/reports.1
}
show acc12
echo "Result:"
echo ""
root_access_key
echo ""
echo -e "____________________________________________"
echo -en '\n'
mfa_root(){
mfa_en=$(aws iam get-account-summary | grep "AccountMFA" | awk -F ":" '{print $2}' | sed -e 's/.$//' | sed -e 's/^\s*//')
if [ "$mfa_en" == "1" ]
then
echo -en "${gr}OK${xx}"
echo ""
echo -en "MFA is enabled for the root account." | tee -a reports/reports.1
else
echo -en "${re}WARNING${xx}"
echo ""
echo "MFA is disabled for the root account." | tee -a reports/reports.1
fi
}
show acc13
echo "Result:"
echo ""
mfa_root
echo ""
echo -e "____________________________________________"
echo -en '\n'
sec_ques(){
echo -en "No any command availability for check to security questions. You should visit https://console.aws.amazon.com/billing/home?#/account and check Configure Security Challenge Questions section." | tee -a reports/reports.1
}
show acc15
echo "Result:"
echo ""
sec_ques
echo ""
echo -e "____________________________________________"
echo -en '\n'
iam_policies(){
iam_users_check=$(aws iam list-users | grep Users | awk -F ":" '{print $2}' | sed -e 's/^.//')
iam_users=$(aws iam list-users | grep UserName | awk -F ":" '{print $2}' | sed 's/"//g' | sed -e 's/,//' | xargs)
attc_pol=$(aws iam list-attached-user-policies --user-name $iam_users)
pol_name=$(aws iam list-user-policies --user-name $iam_users)
if [ "$iam_users" == "[]" ]
then
echo -en "${yw}INFORMATION${xx}"
echo ""
echo -e "IAM user not found!" | tee -a reports/reports.1
else
echo -e "IAM user: $iam_users"
echo ""
if [ "$attc_pol" == "[]" ] || [ "$pol_name" == "[]" ]
then
echo -en "${gr}OK${xx}"
echo ""
echo -e "No any policy attached to IAM users." | tee -a reports/reports.1
else
echo -en "${re}WARNING${xx}"
echo ""
fi
fi
}
show acc16
echo "Result:"
echo ""
iam_policies
echo ""
echo -e "____________________________________________"
echo -en '\n'
aws_support(){
chckarn=$(aws iam list-policies --query "Policies[?PolicyName == 'AWSSupportAccess']" | grep Arn | awk -F " " '{print $2}' | sed 's/"//g' | sed 's/,//g')
chcksup=$(aws iam list-entities-for-policy --policy-arn $chckarn | grep Group | awk -F ":" {'print $2'} | sed 's/,//g' | xargs)
if [[ $chcksup == "[]" ]]
then
echo -en "${re}WARNING${xx}"
else
echo -en "${gr}OK${xx}"
echo ""
fi
}
show acc20
echo "Result:"
echo ""
aws_support
echo ""
echo -e "____________________________________________"
echo -en '\n'
detail_billing(){
echo -en "There is currently no AWS CLI support for this operation, so it is necessary to use the Management Console." | tee -a reports/reports.1
}
show acc17
echo "Result:"
echo ""
detail_billing
echo ""
echo -e "____________________________________________"
echo -en '\n'
contact_dets(){
echo -en "There is currently no AWS CLI support for this operation, so it is necessary to use the Management Console." | tee -a reports/reports.1
}
show acc19
echo "Result:"
echo ""
contact_dets
echo ""
echo -e "____________________________________________"
echo -en '\n'
contact_infs(){
echo -en "There is currently no AWS CLI support for this operation, so it is necessary to use the Management Console." | tee -a reports/reports.1
}
show acc20
echo "Result:"
echo ""
contact_infs
echo ""
echo -e "____________________________________________"
echo -en '\n'
res_acc(){
echo -en "There is currently no AWS CLI support for this operation, so it is necessary to use the Management Console." | tee -a reports/reports.1
}
show acc21
echo "Result:"
echo ""
res_acc
echo ""
echo -e "____________________________________________"
echo -en '\n'
trail_control(){
list=$(aws cloudtrail describe-trails | grep trailList | awk -F ":" '{print $2}')
e_list=" []"
trail_n=$(aws cloudtrail describe-trails | grep Name | grep -v S3 | awk -F ":" '{print $2}' | sed -e 's/^\s*//' -e '/^$/d' | sed -e 's/^"//' | sed -e 's/.$//')
region_trail=$(aws cloudtrail describe-trails | egrep '*IsM*' | tr -s [:space:] | awk -F ":" '{print $2}')
f_trail=" true,"
#echo $list
#echo $e_list
fix_trail(){
aws cloudtrail update-trail --name $trail_n --is-multi-region-trail
echo -e "${gr}OK${xx}"
}
if [ "$list" == "$e_list" ]
then
echo -e "${yw}INFORMATION${xx}"
echo -e "Trail not found!" | tee -a reports/reports.1
elif [ "$region_trail" == "$f_trail" ]
then
echo -e "${gr}OK${xx}"
echo "Multi region trail is active." | tee -a reports/reports.1
else
echo -e "${re}WARNING${xx}"
echo "Trail found but multi region is not active." | tee -a reports/reports.1
echo ""
fi
}
show log1
echo "Result:"
echo ""
trail_control
echo ""
echo -e "____________________________________________"
echo -en '\n'
#fix_trail(){
trail_log_control(){
log_e=$(aws cloudtrail describe-trails | egrep '*LogFile*' | tr -s [:space:] | awk -F ":" '{print $2}' | tr -s \\n)
t_log=" true,"
f_log=" false,"
fix_log_control(){
aws cloudtrail update-trail --name $trail_n --enable-log-file-validation
}
if [ "$log_e" == "$t_log" ]
then
echo -e "${gr}OK${xx}"
echo "Log file validation is enabled." | tee -a reports/reports.1
elif [ "$log_e" == "$f_log" ]
then
echo -e "${yw}INFORMATION${xx}"
echo "Log file validation is disabled." | tee -a reports/reports.1
else
echo -e "${re}WARNING${xx}"
echo "Trail not found."
fi
}
#fix_trail_log(){
show log2
echo "Result:"
echo ""
trail_log_control
echo ""
echo -e "____________________________________________"
echo -en '\n'
s3_bucket_log(){
ct_bucket=$(aws cloudtrail describe-trails --query 'trailList[*].S3BucketName' | grep [0-9A-Z] | sed -e 's/^\s*//' -e '/^$/d' | sed -e 's/^"//' | sed -e 's/.$//')
echo -en "S3 Bucket: $ct_bucket"
echo -e ""
s3_all_users=$(aws s3api get-bucket-acl --bucket $ct_bucket --query 'Grants[?Grantee.URI==`http://acs.amazonaws.com/groups/global/AllUsers`]')
if [ "$s3_all_users" == "[]" ]
then
echo -e "${gr}OK${xx}"
echo -e "No permission for everyone!"
else
echo -e "${re}WARNING${xx}"
echo -e "All users are granted!"
fi
ct_bucket_aut=$(aws s3api get-bucket-acl --bucket $ct_bucket --query 'Grants[?Grantee.URI==`http://acs.amazonaws.com/groups/global/AuthenticatedUsers`]')
if [ "$ct_bucket_aut" == "[]" ]
then
echo -e "${gr}OK${xx}"
echo -e "Authentication policy true!" | tee -a reports/reports.1
else
echo -e "${re}WARNING${xx}"
echo -e "Authenticated users are granted!" | tee -a reports/reports.1
fi
s3_bucket_policy=$(aws s3api get-bucket-policy --bucket $ct_bucket)
if [ "$s3_bucket_policy" == "[]" ]
then
echo -e "${gr}OK${xx}"
echo -e "Bucket policy is fine!" | tee -a reports/reports.1
else
echo -e "${re}WARNING${xx}"
echo -e "Bucket policy should be fix!" | tee -a reports/reports.1
fi
}
show log3
echo "Result:"
echo ""
s3_bucket_log
echo ""
echo -e "____________________________________________"
echo -en '\n'
cloudwatch(){
cdw=$(aws cloudtrail describe-trails | grep Cloud | sed -e 's/^\s*//' -e '/^$/d' | sed -e 's/^"//' | sed -e 's/.$//' | sed -e 's/.$//')
if [ "$cdw" == "[]" ]
then
echo -e "${re}WARNING${xx}"
echo -e "CloudWatch is not enable!" | tee -a reports/reports.1
else
echo -e "${gr}OK${xx}"
echo -e "CloudWatch is enable!" | tee -a reports/reports.1
fi
}
show log4
echo "Result:"
echo ""
cloudwatch
echo ""
echo -e "____________________________________________"
echo -en '\n'
s3_access_log(){
bucket_log=$(aws s3api get-bucket-logging --bucket $ct_bucket)
if [ "$bucket_log" == "" ]
then
echo -e "${re}WARNING${xx}"
echo -e "S3 Bucket logging is disabled." | tee -a reports/reports.1
else
echo -e "${gr}OK${xx}"
echo -e "S3 Bucket logging is enabled." | tee -a reports/reports.1
fi
}
show log6
echo "Result:"
echo ""
s3_access_log
echo ""
echo -e "____________________________________________"
echo -en '\n'
cmk_kms(){
kms_e=$(aws cloudtrail describe-trails | grep Kms)
if [ "$kms_e" == "" ]
then
echo -e "${re}WARNING${xx}"
echo "SSE KMS is disabled!" | tee -a reports/reports.1
else
echo -e "${gr}OK${xx}"
echo "SSE KMS is enabled!" | tee -a reports/reports.1
fi
}
show log7
echo "Result:"
echo ""
cmk_kms
echo ""
echo -e "____________________________________________"
echo -en '\n'
cmk(){
key_id=$(aws kms list-keys | egrep KeyId | awk -F ":" '{print $2}' | sed -e 's/^\s*//' -e '/^$/d' | sed -e 's/^"//' | sed -e 's/.$//')
kms_l=$(aws kms list-keys)
keys_e=" []"
fix_key_rotation(){
aws kms enable-key-rotation --key-id $key_id
}
if [ "$kms_l" == "$keys_e" ]
then
echo -e "${re}WARNING${xx}"
echo "Master Key not found!"
rotation_e=$(aws kms get-key-rotation-status --key-id $key_id | egrep KeyRot | awk -F ":" '{print $2}' | sed -e 's/^\s*//' -e '/^$/d')
elif [ "$rotation_s" == "false" ]
then
echo -e "${yw}INFORMATION${xx}"
echo "Key Rotation is disabled!"
else
echo -e "${gr}OK${xx}"
echo "Key rotation is enabled!"
fi
}
show log8
echo "Result:"
echo ""
cmk
echo ""
echo -e "____________________________________________"
echo -en '\n'
###
port_22(){
bl=$(aws ec2 describe-security-groups --filters Name=ip-permission.to-port,Values=22 | grep GroupName | awk -F ":" '{print $2}' | sed -e 's/.$//' | sed -e 's/^\s*//' | sed -e '/^$/d' | sed -e 's/^"//' | sed -e 's/.$//')
bl_num=$(aws ec2 describe-security-groups --filters Name=ip-permission.to-port,Values=22 | grep GroupName | awk -F ":" '{print $2}' | sed -e 's/.$//' | sed -e 's/^\s*//' | sed -e '/^$/d' | sed -e 's/^"//' | sed -e 's/.$//' | cat -n | awk -F " " '{print $1}' | tail -n 1 )
bl_file=$(aws ec2 describe-security-groups --filters Name=ip-permission.to-port,Values=22 | grep GroupName | awk -F ":" '{print $2}' | sed -e 's/.$//' | sed -e 's/^\s*//' | sed -e '/^$/d' | sed -e 's/^"//' | sed -e 's/.$//' > allows.log)
if [[ $bl = "" ]]
then
echo -en "${gr}OK${xx}"
echo ""
echo -en "No security group has allow to port 22."
else
echo -en "${re}WARNING${xx}"
echo ""
echo -en "$bl_num security group has allow to port 22!"
echo ""
echo -en "Security groups listed on allows.log file!"
fi
}
show net1
echo "Result:"
echo ""
port_22
echo ""
echo -e "____________________________________________"
echo -en '\n'
port_3389(){
bl=$(aws ec2 describe-security-groups --filters Name=ip-permission.to-port,Values=3389 | grep GroupName | awk -F ":" '{print $2}' | sed -e 's/.$//' | sed -e 's/^\s*//' | sed -e '/^$/d' | sed -e 's/^"//' | sed -e 's/.$//')
bl_num=$(aws ec2 describe-security-groups --filters Name=ip-permission.to-port,Values=3389 | grep GroupName | awk -F ":" '{print $2}' | sed -e 's/.$//' | sed -e 's/^\s*//' | sed -e '/^$/d' | sed -e 's/^"//' | sed -e 's/.$//' | cat -n | awk -F " " '{print $1}' | tail -n 1 )
bl_file=$(aws ec2 describe-security-groups --filters Name=ip-permission.to-port,Values=3389 | grep GroupName | awk -F ":" '{print $2}' | sed -e 's/.$//' | sed -e 's/^\s*//' | sed -e '/^$/d' | sed -e 's/^"//' | sed -e 's/.$//' > allows.log)
if [[ $bl = "" ]]
then
echo -en "${gr}OK${xx}"
echo ""
echo -en "No security group has allow to port 3389."
else
echo -en "${re}WARNING${xx}"
echo ""
echo -en "$bl_num security group has allow to port 3389!"
echo ""
echo -en "Security groups listed on allows.log file!"
fi
}
show net2
echo "Result:"
echo ""
port_3389
echo ""
echo -e "____________________________________________"
echo -en '\n'
flow_logs(){
log_c=$(aws ec2 describe-flow-logs | grep FlowLogId | awk -F ":" '{print $2}' | sed -e 's/.$//' | sed -e 's/^\s*//' | sed -e '/^$/d' | sed -e 's/^"//' | sed -e '/^$/d' | sed -e 's/.$//')
aws ec2 describe-flow-logs | grep FlowLogId | awk -F ":" '{print $2}' | sed -e 's/.$//' | sed -e 's/^\s*//' | sed -e '/^$/d' | sed -e 's/^"//' | sed -e '/^$/d' | sed -e 's/.$//' > flow_log.log
if [ "$log_c" == "[]" ]
then
echo -en "${re}WARNING${xx}"
echo ""
echo -e "Flow log is not active!"
else
echo -en "${gr}OK${xx}"
echo ""
echo -e "Flow log is active."
echo -en "Flow log file is created as flow_log.log"
fi
}
show net3
echo "Result:"
echo ""
flow_logs
echo ""
echo -e "____________________________________________"
echo -en '\n'
defsecvpcfunc(){
defsecvpc=$(aws ec2 describe-security-groups --filters Name=group-name,Values='default' --query 'SecurityGroups[*].{IpPermissions:IpPermissions,IpPermissionsEgress:IpPermissionsEgress,GroupId:GroupId}')
if [ "$defsecvpc" == "[]" ]
then
echo -en "${gr}OK${xx}"
echo ""
echo -e "No any Default Security Groups open to 0.0.0.0"
else
echo -en "${re}WARNING${xx}"
echo ""
echo -e "Default Security Groups found that allow 0.0.0.0 bidirectional traffic!"
fi
}
show net4
echo "Result:"
echo ""
defsecvpcfunc
echo ""
echo -e "____________________________________________"
echo -en '\n'
unauthapi(){
ctrail_gr_name=$(aws cloudtrail describe-trails | egrep "*GroupArn" | awk -F ":" '{print $8}')
metfiln=$(aws logs describe-metric-filters --log-group-name CloudTrail/DefaultLogGroup | grep -w UnauthorizedOperation | awk -F ":*" '{print $2}' | awk -F "=" '{print $2}' | awk -F "\\" '{print $2}' | uniq | head -n 1 | sed -e 's/^"//' | sed -e 's/^*//')
if [ "$metfiln" == "UnauthorizedOperation" ]
then
echo -e "${gr}OK${xx}"
echo -e "Unauthorized authentication metric filter is enabled!"
else
echo -e "${re}WARNING${xx}"
echo -e "Unauthorized authentication metric filter is disabled!"
fi
}
show mon1
echo "Result:"
echo ""
unauthapi
echo ""
echo -e "____________________________________________"
echo -en '\n'
mfametric(){
ctrail_gr_name=$(aws cloudtrail describe-trails | egrep "*GroupArn" | awk -F ":" '{print $8}')
if aws logs describe-metric-filters --log-group-name $ctrail_gr_name | grep MFAUsed
then
echo -e "${gr}OK${xx}"
echo -e "Management Console sign-in metric filter is enabled!"
else
echo -e "${re}WARNING${xx}"
echo -e "Management Console sign-in metric filter is disabled!"
fi
}
show mon2
echo "Result:"
echo ""
mfametric
echo ""
echo -e "____________________________________________"
echo -en '\n'
rootmetrfilt(){
ctrail_gr_name=$(aws cloudtrail describe-trails | egrep "*GroupArn" | awk -F ":" '{print $8}')
if aws logs describe-metric-filters --log-group-name $ctrail_gr_name | grep userIdentity.invokedBy
then
echo -e "${gr}OK${xx}"
echo -e "A metric filter for usage of root account is enabled!"
else
echo -e "${re}WARNING${xx}"
echo -e "A metric filter for usage of root account is disabled!"
fi
}
show mon3
echo "Result:"
echo ""
rootmetrfilt
echo ""
echo -e "____________________________________________"
echo -en '\n'
iammetrfilt(){