Add wazuh image using filebeat-oss

This commit is contained in:
Manuel Gutierrez
2020-08-18 16:29:55 +02:00
parent 67e259a681
commit d8b186aa52
12 changed files with 485 additions and 0 deletions
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# Wazuh Docker Copyright (C) 2020 Wazuh Inc. (License GPLv2)
FROM centos:7
ARG FILEBEAT_VERSION=7.8.0
ARG WAZUH_VERSION=3.13.1-1
ARG TEMPLATE_VERSION="v3.13.1"
ARG WAZUH_FILEBEAT_MODULE="wazuh-filebeat-0.1.tar.gz"
ENV API_USER="foo" \
API_PASS="bar"
# Set repositories.
RUN rpm --import https://packages.wazuh.com/key/GPG-KEY-WAZUH
COPY config/wazuh.repo /etc/yum.repos.d/wazuh.repo
RUN yum --enablerepo=updates clean metadata && \
yum -y install openssl which && yum -y install wazuh-manager-${WAZUH_VERSION} -y && \
curl --silent --location https://rpm.nodesource.com/setup_10.x | bash - && \
yum -y install nodejs && yum -y install wazuh-api-${WAZUH_VERSION} && \
sed -i "s/^enabled=1/enabled=0/" /etc/yum.repos.d/wazuh.repo && \
yum clean all && rm -rf /var/cache/yum
RUN curl -L -O https://artifacts.elastic.co/downloads/beats/filebeat/filebeat-oss-${FILEBEAT_VERSION}-x86_64.rpm &&\
rpm -i filebeat-oss-${FILEBEAT_VERSION}-x86_64.rpm && rm -f filebeat-oss-${FILEBEAT_VERSION}-x86_64.rpm
RUN curl -so /etc/filebeat/wazuh-template.json https://raw.githubusercontent.com/wazuh/wazuh/${TEMPLATE_VERSION}/extensions/elasticsearch/7.x/wazuh-template.json &&\
chmod go+r /etc/filebeat/wazuh-template.json
RUN curl -s https://packages.wazuh.com/3.x/filebeat/${WAZUH_FILEBEAT_MODULE} | tar -xvz -C /usr/share/filebeat/module
ARG S6_VERSION="v2.0.0.1"
RUN curl --fail --silent -L https://github.com/just-containers/s6-overlay/releases/download/${S6_VERSION}/s6-overlay-amd64.tar.gz \
-o /tmp/s6-overlay-amd64.tar.gz && \
tar xzf /tmp/s6-overlay-amd64.tar.gz -C / --exclude="./bin" && \
tar xzf /tmp/s6-overlay-amd64.tar.gz -C /usr ./bin && \
rm /tmp/s6-overlay-amd64.tar.gz
COPY config/filebeat.yml /etc/filebeat/
RUN chmod go-w /etc/filebeat/filebeat.yml
ADD https://raw.githubusercontent.com/wazuh/wazuh/$TEMPLATE_VERSION/extensions/elasticsearch/7.x/wazuh-template.json /etc/filebeat
RUN chmod go-w /etc/filebeat/wazuh-template.json
COPY config/etc/ /etc/
# Prepare permanent data
# Sync calls are due to https://github.com/docker/docker/issues/9547
COPY config/permanent_data.env config/permanent_data.sh /
RUN chmod 755 /permanent_data.sh && \
sync && /permanent_data.sh && \
sync && rm /permanent_data.sh
# Services ports
EXPOSE 55000/tcp 1514/udp 1515/tcp 514/udp 1516/tcp
ENTRYPOINT [ "/init" ]
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#!/usr/bin/with-contenv bash
# Wazuh App Copyright (C) 2020 Wazuh Inc. (License GPLv2)
# Variables
source /permanent_data.env
WAZUH_INSTALL_PATH=/var/ossec
WAZUH_CONFIG_MOUNT=/wazuh-config-mount
AUTO_ENROLLMENT_ENABLED=${AUTO_ENROLLMENT_ENABLED:-true}
API_GENERATE_CERTS=${API_GENERATE_CERTS:-true}
##############################################################################
# Aux functions
##############################################################################
print() {
echo -e $1
}
error_and_exit() {
echo "Error executing command: '$1'."
echo 'Exiting.'
exit 1
}
exec_cmd() {
eval $1 > /dev/null 2>&1 || error_and_exit "$1"
}
exec_cmd_stdout() {
eval $1 2>&1 || error_and_exit "$1"
}
##############################################################################
# Edit configuration
##############################################################################
edit_configuration() { # $1 -> setting, $2 -> value
sed -i "s/^config.$1\s=.*/config.$1 = \"$2\";/g" "${WAZUH_INSTALL_PATH}/api/configuration/config.js" || error_and_exit "sed (editing configuration)"
}
##############################################################################
# This function will attempt to mount every directory in PERMANENT_DATA
# into the respective path.
# If the path is empty means permanent data volume is also empty, so a backup
# will be copied into it. Otherwise it will not be copied because there is
# already data inside the volume for the specified path.
##############################################################################
mount_permanent_data() {
for permanent_dir in "${PERMANENT_DATA[@]}"; do
# Check if the path is not empty
if find ${permanent_dir} -mindepth 1 | read; then
print "The path ${permanent_dir} is already mounted"
else
print "Installing ${permanent_dir}"
exec_cmd "cp -a ${WAZUH_INSTALL_PATH}/data_tmp/permanent${permanent_dir}/. ${permanent_dir}"
fi
done
}
##############################################################################
# This function will replace from the permanent data volume every file
# contained in PERMANENT_DATA_EXCP
# Some files as 'internal_options.conf' are saved as permanent data, but
# they must be updated to work properly if wazuh version is changed.
##############################################################################
apply_exclusion_data() {
for exclusion_file in "${PERMANENT_DATA_EXCP[@]}"; do
if [ -e ${WAZUH_INSTALL_PATH}/data_tmp/exclusion/${exclusion_file} ]
then
DIR=$(dirname "${exclusion_file}")
if [ ! -e ${DIR} ]
then
mkdir -p ${DIR}
fi
print "Updating ${exclusion_file}"
exec_cmd "cp -p ${WAZUH_INSTALL_PATH}/data_tmp/exclusion/${exclusion_file} ${exclusion_file}"
fi
done
}
##############################################################################
# This function will delete from the permanent data volume every file
# contained in PERMANENT_DATA_DEL
##############################################################################
remove_data_files() {
for del_file in "${PERMANENT_DATA_DEL[@]}"; do
if [ -e ${del_file} ]
then
print "Removing ${del_file}"
exec_cmd "rm ${del_file}"
fi
done
}
##############################################################################
# Create certificates: Manager
##############################################################################
create_ossec_key_cert() {
print "Creating ossec-authd key and cert"
exec_cmd "openssl genrsa -out ${WAZUH_INSTALL_PATH}/etc/sslmanager.key 4096"
exec_cmd "openssl req -new -x509 -key ${WAZUH_INSTALL_PATH}/etc/sslmanager.key -out ${WAZUH_INSTALL_PATH}/etc/sslmanager.cert -days 3650 -subj /CN=${HOSTNAME}/"
}
##############################################################################
# Create certificates: API
##############################################################################
create_api_key_cert() {
print "Enabling Wazuh API HTTPS"
edit_configuration "https" "yes"
print "Create Wazuh API key and cert"
exec_cmd "openssl genrsa -out ${WAZUH_INSTALL_PATH}/api/configuration/ssl/server.key 4096"
exec_cmd "openssl req -new -x509 -key ${WAZUH_INSTALL_PATH}/api/configuration/ssl/server.key -out ${WAZUH_INSTALL_PATH}/api/configuration/ssl/server.crt -days 3650 -subj /CN=${HOSTNAME}/"
# Granting proper permissions
chmod 400 ${WAZUH_INSTALL_PATH}/api/configuration/ssl/server.key
chmod 400 ${WAZUH_INSTALL_PATH}/api/configuration/ssl/server.crt
}
##############################################################################
# Copy all files from $WAZUH_CONFIG_MOUNT to $WAZUH_INSTALL_PATH and respect
# destination files permissions
#
# For example, to mount the file /var/ossec/data/etc/ossec.conf, mount it at
# $WAZUH_CONFIG_MOUNT/etc/ossec.conf in your container and this code will
# replace the ossec.conf file in /var/ossec/data/etc with yours.
##############################################################################
mount_files() {
if [ -e "$WAZUH_CONFIG_MOUNT" ]
then
print "Identified Wazuh configuration files to mount..."
exec_cmd_stdout "cp --verbose -r $WAZUH_CONFIG_MOUNT/* $WAZUH_INSTALL_PATH"
else
print "No Wazuh configuration files to mount..."
fi
}
##############################################################################
# Stop OSSEC
##############################################################################
function ossec_shutdown(){
${WAZUH_INSTALL_PATH}/bin/ossec-control stop;
}
##############################################################################
# Interpret any passed arguments (via docker command to this entrypoint) as
# paths or commands, and execute them.
#
# This can be useful for actions that need to be run before the services are
# started, such as "/var/ossec/bin/ossec-control enable agentless".
##############################################################################
docker_custom_args() {
for CUSTOM_COMMAND in "$@"
do
echo "Executing command \`${CUSTOM_COMMAND}\`"
exec_cmd_stdout "${CUSTOM_COMMAND}"
done
}
##############################################################################
# Change Wazuh API user credentials.
##############################################################################
change_api_user_credentials() {
pushd /var/ossec/api/configuration/auth/
echo "Change Wazuh API user credentials"
change_user="node htpasswd -b -c user $API_USER $API_PASS"
eval $change_user
popd
}
##############################################################################
# Main function
##############################################################################
main() {
# Mount permanent data (i.e. ossec.conf)
mount_permanent_data
# Restore files stored in permanent data that are not permanent (i.e. internal_options.conf)
apply_exclusion_data
# Remove some files in permanent_data (i.e. .template.db)
remove_data_files
# Generate ossec-authd certs if AUTO_ENROLLMENT_ENABLED is true and does not exist
if [ $AUTO_ENROLLMENT_ENABLED == true ]
then
if [ ! -e ${WAZUH_INSTALL_PATH}/etc/sslmanager.key ]
then
create_ossec_key_cert
fi
fi
# Generate API certs if API_GENERATE_CERTS is true and does not exist
if [ $API_GENERATE_CERTS == true ]
then
if [ ! -e ${WAZUH_INSTALL_PATH}/api/configuration/ssl/server.crt ]
then
create_api_key_cert
fi
fi
# Mount selected files (WAZUH_CONFIG_MOUNT) to container
mount_files
# Trap exit signals and do a proper shutdown
trap "ossec_shutdown; exit" SIGINT SIGTERM
# Execute custom args
docker_custom_args
# Change API user credentials
change_api_user_credentials
# Delete temporary data folder
rm -rf ${WAZUH_INSTALL_PATH}/data_tmp
}
main
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#!/usr/bin/with-contenv bash
# Wazuh App Copyright (C) 2020 Wazuh Inc. (License GPLv2)
set -e
if [ "$ELASTICSEARCH_URL" != "" ]; then
>&2 echo "Customize Elasticsearch ouput IP"
sed -i 's|http://elasticsearch:9200|'$ELASTICSEARCH_URL'|g' /etc/filebeat/filebeat.yml
fi
# Configure filebeat.yml security settings
if [ "$SSL_CERTIFICATE_AUTHORITIES" != "" ]; then
>&2 echo "Configuring Certificate Authorities."
sed -i 's|#ssl.certificate_authorities:|'ssl.certificate_authorities:\ [\"$SSL_CERTIFICATE_AUTHORITIES\"]'|g' /etc/filebeat/filebeat.yml
fi
if [ "$USERNAME" != "" ]; then
>&2 echo "Configuring username."
sed -i 's|#username:|'username:\ \"$USERNAME\"'|g' /etc/filebeat/filebeat.yml
fi
if [ "$PASSWORD" != "" ]; then
>&2 echo "Configuring password."
sed -i 's|#password:|'password:\ \"$PASSWORD\"'|g' /etc/filebeat/filebeat.yml
fi
chmod go-w /etc/filebeat/filebeat.yml || true
chown root: /etc/filebeat/filebeat.yml || true
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#!/usr/bin/with-contenv bash
/var/ossec/bin/ossec-control start
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#!/usr/bin/env sh
echo >&2 "API exited. code=${1}"
# terminate other services to exit from the container
exec s6-svscanctl -t /var/run/s6/services
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#!/usr/bin/with-contenv sh
echo >&2 "starting API"
exec /bin/node /var/ossec/api/app.js
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#!/usr/bin/env sh
echo >&2 "Filebeat exited. code=${1}"
# terminate other services to exit from the container
exec s6-svscanctl -t /var/run/s6/services
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#!/usr/bin/with-contenv sh
echo >&2 "starting Filebeat"
exec /usr/share/filebeat/bin/filebeat -e -c /etc/filebeat/filebeat.yml -path.home /usr/share/filebeat -path.config /etc/filebeat -path.data /var/lib/filebeat -path.logs /var/log/filebeat
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# Wazuh - Filebeat configuration file
filebeat.modules:
- module: wazuh
alerts:
enabled: true
archives:
enabled: false
setup.template.json.enabled: true
setup.template.json.path: '/etc/filebeat/wazuh-template.json'
setup.template.json.name: 'wazuh'
setup.template.overwrite: true
setup.ilm.enabled: false
output.elasticsearch:
hosts: ['http://elasticsearch:9200']
#ssl.certificate_authorities:
#ssl.certificate:
#ssl.key:
#username:
#password:
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# Permanent data mounted in volumes
i=0
PERMANENT_DATA[((i++))]="/var/ossec/api/configuration"
PERMANENT_DATA[((i++))]="/var/ossec/etc"
PERMANENT_DATA[((i++))]="/var/ossec/logs"
PERMANENT_DATA[((i++))]="/var/ossec/queue"
PERMANENT_DATA[((i++))]="/var/ossec/agentless"
PERMANENT_DATA[((i++))]="/var/ossec/var/multigroups"
PERMANENT_DATA[((i++))]="/var/ossec/integrations"
PERMANENT_DATA[((i++))]="/var/ossec/active-response/bin"
PERMANENT_DATA[((i++))]="/var/ossec/wodles"
PERMANENT_DATA[((i++))]="/etc/filebeat"
export PERMANENT_DATA
# Files mounted in a volume that should not be permanent
i=0
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/etc/internal_options.conf"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/integrations/pagerduty"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/integrations/slack"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/integrations/slack.py"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/integrations/virustotal"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/integrations/virustotal.py"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/active-response/bin/default-firewall-drop.sh"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/active-response/bin/disable-account.sh"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/active-response/bin/firewalld-drop.sh"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/active-response/bin/firewall-drop.sh"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/active-response/bin/host-deny.sh"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/active-response/bin/ip-customblock.sh"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/active-response/bin/ipfw_mac.sh"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/active-response/bin/ipfw.sh"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/active-response/bin/kaspersky.py"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/active-response/bin/kaspersky.sh"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/active-response/bin/npf.sh"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/active-response/bin/ossec-slack.sh"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/active-response/bin/ossec-tweeter.sh"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/active-response/bin/pf.sh"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/active-response/bin/restart-ossec.sh"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/active-response/bin/restart.sh"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/active-response/bin/route-null.sh"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/agentless/sshlogin.exp"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/agentless/ssh_pixconfig_diff"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/agentless/ssh_asa-fwsmconfig_diff"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/agentless/ssh_integrity_check_bsd"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/agentless/main.exp"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/agentless/su.exp"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/agentless/ssh_integrity_check_linux"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/agentless/register_host.sh"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/agentless/ssh_generic_diff"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/agentless/ssh_foundry_diff"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/agentless/ssh_nopass.exp"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/agentless/ssh.exp"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/wodles/aws/aws-s3"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/wodles/aws/aws-s3.py"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/wodles/azure/azure-logs"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/wodles/azure/azure-logs.py"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/wodles/docker/DockerListener"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/wodles/docker/DockerListener.py"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/wodles/oscap/oscap"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/wodles/oscap/oscap.py"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/wodles/oscap/template_oval.xsl"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/wodles/oscap/template_xccdf.xsl"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/wodles/oscap/content/cve-redhat-6-ds.xml"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/wodles/oscap/content/cve-redhat-7-ds.xml"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/wodles/oscap/content/ssg-centos-6-ds.xml"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/wodles/oscap/content/ssg-centos-7-ds.xml"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/wodles/oscap/content/ssg-fedora-24-ds.xml"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/wodles/oscap/content/ssg-rhel-6-ds.xml"
PERMANENT_DATA_EXCP[((i++))]="/var/ossec/wodles/oscap/content/ssg-rhel-7-ds.xml"
export PERMANENT_DATA_EXCP
# Files mounted in a volume that should be deleted
i=0
PERMANENT_DATA_DEL[((i++))]="/var/ossec/queue/db/.template.db"
export PERMANENT_DATA_DEL
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#!/bin/bash
# Wazuh App Copyright (C) 2020 Wazuh Inc. (License GPLv2)
# Variables
source /permanent_data.env
WAZUH_INSTALL_PATH=/var/ossec
DATA_TMP_PATH=${WAZUH_INSTALL_PATH}/data_tmp
mkdir ${DATA_TMP_PATH}
# Move exclusion files to EXCLUSION_PATH
EXCLUSION_PATH=${DATA_TMP_PATH}/exclusion
mkdir ${EXCLUSION_PATH}
for exclusion_file in "${PERMANENT_DATA_EXCP[@]}"; do
# Create the directory for the exclusion file if it does not exist
DIR=$(dirname "${exclusion_file}")
if [ ! -e ${EXCLUSION_PATH}/${DIR} ]
then
mkdir -p ${EXCLUSION_PATH}/${DIR}
fi
mv ${exclusion_file} ${EXCLUSION_PATH}/${exclusion_file}
done
# Move permanent files to PERMANENT_PATH
PERMANENT_PATH=${DATA_TMP_PATH}/permanent
mkdir ${PERMANENT_PATH}
for permanent_dir in "${PERMANENT_DATA[@]}"; do
# Create the directory for the permanent file if it does not exist
DIR=$(dirname "${permanent_dir}")
if [ ! -e ${PERMANENT_PATH}${DIR} ]
then
mkdir -p ${PERMANENT_PATH}${DIR}
fi
mv ${permanent_dir} ${PERMANENT_PATH}${permanent_dir}
done
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[wazuh_repo]
gpgcheck=1
gpgkey=https://packages.wazuh.com/key/GPG-KEY-WAZUH
enabled=1
name=Wazuh repository
baseurl=https://packages.wazuh.com/3.x/yum/
protect=1