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redonion_bootstrap_6.sh
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#!/bin/bash
#######################################
# Red Onion Install Script v0.1
# https://github.com/hadojae/redonion
# tested on Centos/RHEL 6.6
########################################
####################################################
### MODIFY THESE GLOBALS TO SUIT YOUR DEPLOYMENT ###
####################################################
sniff_int="eth1" # Whatever interface you will use for sniffing
manage_int="eth0" # Whatever interface you will use for management
manage_ip="10.10.2.113" # Management IP address
user_drop="ro" # A user account to drop permissions to during install
wrk_dir="/home/ro/redonion" # The directory you will be installing from
num_bro_pf_proc="4" # The number of BRO load balanced worked processes you want to run
install_dir="/opt" # Where you want to install the tools
pf_num_rings="32768" # Number of rings you want to allocate for pf_ring
pf_trans_mode="0" # Mode you want pf_ring to run in - 0 (no pfring nic drivers) 1 (both) or 2 (only pfring drivers)
etpro_license="" # Enter in etpro license, if empty will install community ruleset
proxy_ip="" # Proxy IP address/dns
proxy_port="" # Proxy Port
### Moloch Config Variables ###
es_mem="1G" # How much memory should elasticsearch for moloch have? (< 32G)
moloch_user="ro" # What user should moloch use
moloch_group="ro" # What group should moloch use
moloch_password="OmG_R0_Rul3z!1!" # Password for Moloch
moloch_fqdn="redonion.localhost" # FQDN for Moloch Cert
moloch_country="US" # Country for Moloch Cert
moloch_state="IL" # State for Moloch Cert
moloch_orgname="BLAH" # Org Name for Moloch Cert
moloch_orgunit="NO" # Org unit for Moloch Cert
moloch_locality="HERE" # Locality for Moloch Cert
es_ver="1.5.2" # What version of elasticsearch are you using for moloch?
esdb_dir="$install_dir/esdb" # Where should Moloch store elasticsearch data?
pcap_data_dir="$install_dir/moloch/raw" # Where should Moloch store raw pcaps? eg. $dir_1;$dir_2;$dir_3
#netflow_collector="10.10.2.120:9995" # IP address and port of a netflow collector. If none leave empty.
#netflow_version="5" # What version of Netflow do you want to use? If none leave empty.
### Log Aggregation Globals ###
log_method="logstash_elasticsearch" # options are splunk, logstash_elasticsearch, or logstash_syslog
splunk_fwd="10.10.2.23:9997" # if using splunk, the ip and port you're forwarding logs to, if multiple separate by comma and space
splunk_bro_index="redonion_bro" # if using splunk, the name of the index you want to use for Bro logs
splunk_suricata_index="redonion_suri" # if using splunk, the name of the index you want to use for Suricata logs
logstash_elasticsearch_host="10.10.2.23" # if using logstash_elasticsearch mode - the host/ip of your receiving node on your cluster
logstash_elasticsearch_port=9200 # if using logstash_elasticsearch mode - the port elasticsearch wants traffic on *no quotes
logstash_syslog_ip="10.10.2.23" # if using logstash_syslog, the ip of your syslog receiver
logstash_syslog_port=514 # if using logstash_syslog, the port your syslog receiver expects traffic on *no quotes
logstash_syslog_protocol="udp" # if using logstash_syslog, the protocol you want to use - tcp or udp
#############################################
##### LEAVE EVERYTHING BELOW THIS ALONE #####
#############################################
# Pretty status notifications / error handling function
function print_status ()
{
echo -e "\x1B[01;34m[*]\x1B[0m $1"
}
function print_good ()
{
echo -e "\x1B[01;32m[*]\x1B[0m $1"
}
function print_error ()
{
echo -e "\x1B[01;31m[*]\x1B[0m $1"
}
function print_notification ()
{
echo -e "\x1B[01;33m[*]\x1B[0m $1"
}
function handle_error ()
{
if [ $? == 0 ]; then
print_good "Success!"
else
print_error "Failure...exiting..."
exit $?
fi
}
function pause()
{
read -p "$*"
}
function space_pls()
{
echo -e "\n";
}
function logo()
{
space_pls
echo -e "\x1B[01;31m.______ ._______.______ ._______ .______ .___ ._______ .______ \x1B[0m"
echo -e "\x1B[01;31m: __ \ : .____/:_ _ \ : .___ \ : \ : __|: .___ \ : \ \x1B[0m"
echo -e "\x1B[01;31m| \____|| : _/\ | | | | : | || || : || : | || |\x1B[0m"
echo -e "\x1B[01;31m| : \ | / \| . | | | : || | || || : || | |\x1B[0m"
echo -e "\x1B[01;31m| |___\|_.: __/|. ____/ \_. ___/ |___| || | \_. ___/ |___| |\x1B[0m"
echo -e "\x1B[01;31m|___| :/ :/ :/ |___||___| :/ |___|\x1B[0m"
echo -e "\x1B[01;31m : : : \x1B[0m"
echo -e ""
echo -e "\x1B[01;30m CENTOS/RHEL+PFRING+SURICATA+BRO+MOLOCH+ET+SPLUNK/ELK==WIN! \x1B[0m"
echo -e ""
echo -e "\x1B[01;32m REDONION v0.1 {https://github.com/hadojae/redonion} \x1B[0m"
space_pls
}
########################################
# Functions...
function letsgo ()
{
#Check for root user
if [ "$UID" -eq 0 ]; then
sleep 0
else
print_error "Check for root user failed. Please run this script as root."
exit 1
fi
# Check to see that we're on 6.7 Centos
if [ -f /etc/centos-release ]; then
distro="CentOS"
if [[ ! `grep 6.7 /etc/centos-release` ]]; then
print_error "This build script is tested on CENTOS 6.7. Please update via yum."
exit 0
fi
fi
# Haven't tested on RHEL7 yet
if [ -f /etc/redhat-release ]; then
distro="RHEL"
if [[ ! `grep 6.7 /etc/redhat-release` ]]; then
print_error "This build script is tested on RHEL 6.7. Please update via yum or if you're on 7, sorry this doesnt work yet.."
exit 0
fi
fi
# Check for known bad kernel
if [ `uname -r` == "2.6.32-504.el6.x86_64" ]; then
print_error "It looks like you need to update and reboot. This kernel is no good for pf_ring stuff."
exit 0
fi
# Make sure that we are running on RHEL or Centos
if [[ ! -f /etc/redhat-release && ! -f /etc/centos-release ]]; then
print_error "I'm sorry, this distibution is not yet supported."
exit 0
fi
# Make sure that there are no kernel updates.
if [[ -z `yum check-update | grep kernel` ]]; then
print_good "Kernel appears to be up to date."
else
print_error "You appear to have kernel updates available. Please update via yum, reboot and run this script again."
exit 0
fi
# Warn the user if we are not installing on the newest kernel version
newest_kernel=$(rpm -q --last kernel | perl -pe 's/^kernel-(\S+).*/$1/' | head -1)
current_kernel=$(uname -r)
if [ ! $newest_kernel == $current_kernel ]; then
print_error "It looks like you are not installing on the most recent kernel. Are you sure you don't want to reboot before you run this?"
pause "Please press [ENTER] to continue or CTRL+C to quit."
fi
# Make sure epel is installed on centos
if [ -f /etc/centos-release ]; then
if [[ ! `yum repolist | grep epel | awk '{ print $1 }'` ]]; then
print_status "Epel not found, installing epel..."
rpm -ivh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
handle_error
fi
fi
# Check to make sure that the user that we are running as and dropping permissions to exists
if id -u "$user_drop" >/dev/null 2>&1; then
print_good "user $user_drop exists"
else
print_error "The user \"$user_drop\" does not exist. Please create the user or select and different user and run again."
exit 0
fi
# Check to see that the first character of wrk_dir and install_dir are / and that the last is not a /
if [[ `echo $wrk_dir | head -c 1` != "/" ]]; then
print_error "It looks like you dont have a / as the first character in the wrk_dir variable. Full path please."
exit 0
fi
if [[ `echo $install_dir | head -c 1` != "/" ]]; then
print_error "It looks like you dont have a / as the first character in the install_dir variable. Full path please."
exit 0
fi
if [ `echo ${install_dir: -1} == "/"` ]; then
print_error "It looks like you included a trailing / in the install_dir variable, remove that."
exit 0
fi
if [ `echo ${wrk_dir: -1} == "/"` ]; then
print_error "It looks like you included a trailing / in the wrk_dir variable, remove that."
exit 0
fi
#Check to see that timezone is set to UTC
if [[ -z `date | grep UTC` ]]; then
print_error "Looks like UTC isnt set. You want this."
rm -rf /etc/localtime
ln -f -s /usr/share/zoneinfo/UTC /etc/localtime
fi
# Check to see that root umask 022 at login
if [[ -z `cat /root/.bashrc | grep 022` ]]; then
print_error "Root needs umask 022"
echo -e "umask 022" >> /root/.bashrc
source /root/.bashrc
umask 022
if [[ $(umask) != 0022 ]]; then
print_error "IDK. Something didnt work."
exit 0
fi
fi
# Make sure swap is off
swapoff -a
if [[ -z `crontab -l | grep swapoff` ]]; then
print_error "Swap is not disabled at boot, fixing."
line_swapoff="@reboot swapoff -a"
(crontab -l; echo "$line_swapoff") | crontab -
handle_error
fi
# Add unlimited memlock
if [[ -z `cat /etc/security/limits.conf | grep -E 'memlock.*unlimited'` ]]; then
print_error "Memlock is not set to unlimited, fixing."
echo -e "* - memlock unlimited" >> /etc/security/limits.conf
fi
#Check to see that the sniffing ethernet port is up and configured properly
if [[ $sniff_int != $manage_int ]]; then
if [[ -z `ifconfig | grep $sniff_int` ]]; then
print_error "Looks like the interface isnt configured..."
sed -i 's/ONBOOT=no/ONBOOT=yes/' /etc/sysconfig/network-scripts/ifcfg-$sniff_int
sed -i 's/BOOTPROTO=dhcp/BOOTPROTO=static/' /etc/sysconfig/network-scripts/ifcfg-$sniff_int
echo -e "PROMISC=yes" >> /etc/sysconfig/network-scripts/ifcfg-$sniff_int
echo -e "IPV6INIT=no" >> /etc/sysconfig/network-scripts/ifcfg-$sniff_int
echo -e "PEERDNS=no" >> /etc/sysconfig/network-scripts/ifcfg-$sniff_int
service network restart
ifconfig $sniff_int promisc
ethtool -G $sniff_int rx 4096 #Add this to crontab @reboot
ifconfig $sniff_int txqueuelen 10000
fi
else
ifconfig $sniff_int promisc
ethtool -G $sniff_int rx 4096 #Add this to crontab @reboot
ifconfig $sniff_int txqueuelen 10000
fi
# Kernel Tuning
# http://pevma.blogspot.com/2014/03/suricata-prepearing-10gbps-network.html
if [[ -z `cat /etc/sysctl.conf | grep net.core.netdev_max_backlog=250000` ]]; then
echo 'net.core.netdev_max_backlog=250000' >> /etc/sysctl.conf
echo 'net.core.rmem_max=16777216' >> /etc/sysctl.conf
echo 'net.core.rmem_default=16777216' >> /etc/sysctl.conf
echo 'net.core.optmem_max=16777216' >> /etc/sysctl.conf
sysctl -p
fi
#Check to see if we need to deal with a proxy and make sure it starts with http
if [ -z $proxy_ip ]; then
proxy_status=false
else
proxy_status=true
if [[ -z `echo $proxy_ip | grep http` ]]; then
print_error "The proxy IP needs to begin with http, please change it."
exit 0
fi
fi
#Check to see that all the global variables are properly set
if [[ -z "$sniff_int" || -z "$manage_int" || -z "$manage_ip" || -z "$user_drop" || -z "$wrk_dir" || -z "$install_dir" || -z "$proxy_status" || -z "$num_bro_pf_proc" || -z "$pf_num_rings" || -z "$pf_trans_mode" ]]; then
print_error "You must set the mandatory global variables."
exit 0
fi
#Check to see if we're using ETPro or ET Community sigs
if [[ -z "$etpro_license" ]]; then
et_status="ET Community Ruleset"
else
et_status="ET PRO Ruleset"
fi
#Check to see if we're installing moloch
if [[ $launch_param == "-ro" || $launch_param == "-moloch" ]]; then
moloch_me_maybe=true
if [[ -z "$es_mem" || -z "$moloch_user" || -z "$moloch_password" || -z "$moloch_group" || -z "$moloch_fqdn" || -z "$moloch_country" || -z "$moloch_state" || -z "$moloch_orgname" || -z "$moloch_orgunit" || -z "$moloch_locality" || -z "$es_ver" || -z "$esdb_dir" || -z "$pcap_data_dir" ]]; then
print_error "You appear to be installing moloch and have not properly set all the variables."
exit 0
fi
fi
#Check to see if we've properly set log aggregation variables...
if [[ $launch_param == "-ro" || $launch_param == "-logagg" ]]; then
if [ -z $log_method ]; then
print_error "Make sure you've set the log_method global variable."
exit 0
fi
if [[ $log_method != "logstash_elasticsearch" && $log_method != "logstash_syslog" && $log_method != "splunk" ]]; then
print_error "Make sure you've selected one of the log aggregation options. Make sure there are no typos. :)"
fi
if [[ -z $splunk_bro_index || -z $splunk_suricata_index ]]; then
print_error "Make sure you've set the log aggregation index variables for bro and suricata."
exit 0
fi
if [[ $log_method == "splunk" ]]; then
if [ -z $splunk_fwd ]; then
print_error "Since you selected to use splunk log aggregation, you need to set the splunk_fwd variable."
exit 0
fi
fi
if [[ $log_method == "logstash_elasticsearch" ]]; then
if [ -z $logstash_elasticsearch_host ]; then
print_error "Since you selected to use the logstash_elasticsearch log aggregation, you need to set the logstash_elasticsearch_host global variable to tell us where to send logs."
exit 0
fi
fi
if [[ $log_method == "logstash_elasticsearch" ]]; then
if [ -z $logstash_elasticsearch_port ]; then
print_error "Since you selected to use the logstash_elasticsearch log aggregation, you need to set the logstash_elasticsearch_port global variable to tell us where to send logs."
exit 0
fi
fi
if [[ $log_method == "logstash_syslog" ]]; then
if [ -z $logstash_syslog_ip ]; then
print_error "Since you selected to use logstash_syslog log aggregation, you need to set the logstash_syslog_ip variable so we know where to send syslog."
exit 0
fi
fi
if [[ $log_method == "logstash_syslog" ]]; then
if [ -z $logstash_syslog_port ]; then
print_error "Since you selected to use logstash_syslog log aggregation, you need to set the logstash_syslog_port variable so we know where to send syslog."
exit 0
fi
fi
if [[ $log_method == "logstash_syslog" ]]; then
if [ -z $logstash_syslog_protocol ]; then
print_error "Since you selected to use logstash_syslog log aggregation, you need to set the logstash_syslog_protocol variable so we know what protocol to send syslog on."
exit 0
fi
fi
fi
# Check to see that NTOP repo is there, if not, write it
cat << EOF > /etc/yum.repos.d/ntop.repo
[ntop]
name=ntop packages
baseurl=http://packages.ntop.org/centos-stable/6Server/x86_64/
enabled=1
#proxy=$proxy_ip:$proxy_port
gpgcheck=1
gpgkey=http://packages.ntop.org/centos-stable/RPM-GPG-KEY-deri
[ntop-noarch]
name=ntop packages
baseurl=http://packages.ntop.org/centos-stable/6Server/noarch/
enabled=1
#proxy=$proxy_ip:$proxy_port
gpgcheck=1
gpgkey=http://packages.ntop.org/centos-stable/RPM-GPG-KEY-deri
EOF
if [ $proxy_status == true ]; then
sed -i "s/#proxy=/proxy=/" /etc/yum.repos.d/ntop.repo
fi
# set proxies if needed
if [ $proxy_status == true ]; then
#Normal proxy stuff (wget, curl, yum)
HTTP_PROXY=$proxy_ip":"$proxy_port
http_proxy=$proxy_ip":"$proxy_port
HTTPS_PROXY=$proxy_ip":"$proxy_port
https_proxy=$proxy_ip":"$proxy_port
ftp_proxy=$proxy_ip":"$proxy_port
export http_proxy https_proxy ftp_proxy HTTP_PROXY HTTPS_PROXY
#GIT proxy stuff
git config --global http.proxy $proxy_ip:$proxy_port
git config --global https.proxy $proxy_ip:$proxy_port
#NPM proxy stuff
#npm config set proxy $proxy_ip:$proxy_port
#npm config set https-proxy $proxy_ip:$proxy_port
fi
# Set build param variables based on launch param
if [ $launch_param == "-ro" ]; then
build_param="Red Onion"
elif [ $launch_param == "-bro" ]; then
build_param="Bro"
elif [ $launch_param == "-moloch" ]; then
build_param="Moloch"
elif [ $launch_param == "-suricata" ]; then
build_param="Suricata"
elif [ $launch_param == "-pfring" ]; then
build_param="Pfring"
elif [ $launch_param == "-logagg" ]; then
build_param="Log Aggregation"
else
build_param="Red Onion"
fi
# Check to see if a pfring enabled driver is enabled on the sniffing interface.
sniff_driver=$(ethtool -i $sniff_int | grep driver | awk '{ print $2 }')
if [[ $sniff_driver == "igb" || $sniff_driver == "ixgbe" || $sniff_driver == "e1000e" ]]; then
pfring_zc_enabled=true
else
pfring_zc_enabled=false
print_error "Your server doesnt appear have a pfring supported nic, you are using $sniff_driver."
print_error "We will continue to build, but you may see issues at large capture rates without a pfring supported nic."
if [ $pf_trans_mode != 0 ]; then
print_error "You need to set the pf_trans_mode global variable to 0 as you are not using a pfring supported nic."
exit 0
fi
fi
#Print build debugging statement to show all the variables set
echo -e ""
print_good "I will now be building \x1B[01;31m$build_param\x1B[0m on $distro with the following specifications:"
echo -e ""
# General build stuff
print_status "Working directory: $wrk_dir"
print_status "Installation directory: $install_dir"
print_status "Sniffing interface: $sniff_int"
print_status "Management interface: $manage_int"
print_status "Management IP Address: $manage_ip"
print_status "Drop permissions to: $user_drop"
print_status "Proxy status: $proxy_status"
# Bro
if [[ $launch_param == "-ro" || $launch_param == "-bro" ]]; then
print_status "BRO pfring load balancers: $num_bro_pf_proc"
fi
# Pfring
if [[ $launch_param == "-ro" || $launch_param == "-pfring" ]]; then
print_status "Pfring number of rings: $pf_num_rings"
print_status "Pfring transparent mode: $pf_trans_mode"
fi
# Log Aggregation
if [[ $launch_param == "-ro" || $launch_param == "-logagg" ]]; then
print_status "Log Aggregation: $log_method"
if [[ $log_method == "splunk" ]]; then
print_status "Splunk Forwarder IP: $splunk_fwd"
print_status "Bro Index Name: $bro_index"
print_status "Suricata Index Name: $suricata_index"
elif [[ $log_method == "logstash_elasticsearch" ]]; then
print_status "Log Aggregation Elasticsearch Host: $logstash_elasticsearch_host"
print_status "Log Aggregation Elasticsearch Port: $logstash_elasticsearch_port"
elif [[ $log_method == "logstash_syslog" ]]; then
print_status "Syslog Receiver IP: $logstash_syslog_ip"
print_status "Syslog Receiver Port : $logstash_syslog_port"
print_status "Syslog Receiver Protocol: $logstash_syslog_protocol"
fi
fi
# ETPRO
if [[ $launch_param == "-ro" || $launch_param == "-suricata" ]]; then
print_status "EmergingThreats License: $et_status"
fi
# Moloch
if [[ $moloch_me_maybe == true ]]; then
print_status "Memory Allocated to ES: $es_mem"
print_status "Elasticsearch Version: $es_ver"
print_status "Elasticsearch DB Location: $esdb_dir"
print_status "Raw Pcap Storage Location: $pcap_data_dir"
print_status "Moloch User: $moloch_user"
print_status "Moloch Group: $moloch_group"
print_status "Moloch Password: $moloch_password"
print_status "Moloch FQDN: $moloch_fqdn"
print_status "Moloch Country: $moloch_country"
print_status "Moloch State: $moloch_state"
print_status "Moloch Org Name: $moloch_orgname"
print_status "Moloch Org Unit: $moloch_orgunit"
print_status "Moloch Locality: $moloch_locality"
fi
# Date
print_status "Current Date: $(date)"
echo -e ""
pause "Please verify the above settings and press [ENTER] to continue or CTRL+C to quit."
}
function pf_ring_rpm ()
{
space_pls
print_status "!!!!!!!!!!!!!!!!!!!!!!!!!!"
print_status "!!! Installing PF_RING !!!"
print_status "!!!!!!!!!!!!!!!!!!!!!!!!!!"
space_pls
# Install prereqs
if [ -f /etc/centos-release ]; then
yum -y install numactl-devel vim-enhanced wget kernel-headers flex bison gcc gcc-c++ make kernel-devel man man-pages screen htop
fi
sniff_driver=$(ethtool -i $sniff_int | grep driver | awk '{ print $2 }')
if [[ $sniff_driver == "igb" || $sniff_driver == "e1000e" || $sniff_driver == "ixgbe" ]]; then
pfring_zc_enabled=true
else
pfring_zc_enabled=false
fi
# Check to see if we want to install...
SKIP=0
if [ -d "$install_dir/pfring/kernel" ]; then
print_error "It looks like pfring may already be downloaded, do you want to install it again? (y/n): "
read answer
if [[ $answer == "y" ]] ; then
print_status "Pulling pfring src from Github"
git clone -b 6.0.3-stable https://github.com/ntop/PF_RING $install_dir/pfring
handle_error
SKIP=0
else
SKIP=1
fi
else
print_status "Pulling pfring src from Github"
git clone https://github.com/ntop/PF_RING $install_dir/pfring
handle_error
fi
if [[ $SKIP == 0 ]]; then
# Compile Kernel Module
print_status "cd $install_dir/pfring/kernel..."
cd $install_dir/pfring/kernel
handle_error
print_status "chown -R $user_drop:$user_drop $install_dir/pfring/..."
chown -R $user_drop:$user_drop $install_dir/pfring/
handle_error
if [ $pfring_zc_enabled == true ]; then
print_status "yum clean all"
yum clean all
handle_error
print_status "yum update"
yum update
handle_error
print_status "yum install pfring dkms stuff via ntop repo"
yum -y install pfring pfring-drivers-zc-dkms igb-zc
handle_error
dkms status
sleep 10
else
print_status "yum clean all"
yum clean all
handle_error
print_status "yum update"
yum update
handle_error
print_status "yum install pfring"
yum -y install pfring
handle_error
dkms status
sleep 10
fi
# Compile Userland Libraries
print_status "Compiling userland libraries..."
print_status "cd ../userland/lib..."
cd ../userland/lib
handle_error
print_status "./configure --prefix=/usr/local/pfring..."
./configure --prefix=/usr/local/pfring
handle_error
print_status "make clean..."
make clean
handle_error
print_status "make..."
make
handle_error
print_status "make install..."
make install
handle_error
# Build Libpcap - libpcap is lnk to the numbered version in the same dir...
print_status "Building libpcap..."
print_status "cd ../libpcap..."
cd ../libpcap
handle_error
print_status "./configure --prefix=/usr/local/pfring..."
./configure --prefix=/usr/local/pfring
handle_error
print_status "make clean..."
make clean
handle_error
print_status "make..."
make
handle_error
print_status "make install..."
make install
handle_error
# Build tcpdump
print_status "Building tcpdump..."
print_status "cd ../tcpdump-4.1.1..."
cd ../tcpdump-4.1.1
handle_error
print_status "./configure --prefix=/usr/local/pfring..."
./configure --prefix=/usr/local/pfring
handle_error
print_status "make clean..."
make clean
handle_error
print_status "make..."
make
handle_error
print_status "make install..."
make install
handle_error
ldconfig
handle_error
# Load Kernel Module
print_status "Loading kernel module..."
print_status "modprobe pf_ring..."
modprobe pf_ring transparent_mode=$pf_trans_mode enable_tx_capture=0 min_num_slots=$pf_num_rings
handle_error
lsmod | grep pf_ring
sleep 10
# Configure Linker
print_status "Configuring linker..."
echo "/usr/local/lib" > /etc/ld.so.conf.d/local.conf && ldconfig
handle_error
# Load at boot
print_status "Setting up persistance..."
print_status "modprobe pf_ring...set options..."
echo "modprobe pf_ring transparent_mode=$pf_trans_mode enable_tx_capture=0 min_num_slots=$pf_num_rings" > /etc/sysconfig/modules/pf_ring.modules
handle_error
if [ $pfring_zc_enabled == true ]; then
print_status "echo "modprobe ${sniff_driver}_zc" >> /etc/sysconfig/modules/pf_ring.modules..."
echo "modprobe ${sniff_driver}_zc" >> /etc/sysconfig/modules/pf_ring.modules
handle_error
fi
print_status "chmod +x /etc/sysconfig/modules/pf_ring.modules..."
chmod +x /etc/sysconfig/modules/pf_ring.modules
handle_error
if [ $pfring_zc_enabled == true ]; then
print_status "fixing up /etc/modprobe.d/pfring-zc.conf for reboot so that it loads the right igb-zc driver instead of igb..."
sed -i "s,$sniff_driver-zc,$sniff_driver," /etc/modprobe.d/pfring-zc.conf
handle_error
fi
# Enable NIC driver if needed
if [ $pfring_zc_enabled == true ]; then
print_status "Unloading nic driver for sniffing interface...assuming $sniff_driver..."
rmmod $sniff_driver
handle_error
modprobe ${sniff_driver}_zc
handle_error
lsmod | grep pf_ring
lsmod | grep ${sniff_driver}_zc
sleep 10
fi
print_status "moving back to the working dir..."
cd $wrk_dir
handle_error
else
space_pls
print_good "Skipped PF_RING install..."
fi
space_pls
print_status "PF_RING install has completed."
space_pls
}
function bro ()
{
print_status "!!!!!!!!!!!!!!!!!!!!!!!!!!"
print_status "!!!!! Installing BRO !!!!!"
print_status "!!!!!!!!!!!!!!!!!!!!!!!!!!"
space_pls
sniff_driver=$(ethtool -i $sniff_int | grep driver | awk '{ print $2 }')
if [[ $sniff_driver == "igb" || $sniff_driver == "e1000e" || $sniff_driver == "ixgbe" ]]; then
pfring_zc_enabled=true
else
pfring_zc_enabled=false
fi
SKIP=0
if [ -d "$install_dir/bro/bin" ]; then
print_error "It looks like bro may already be installed...do you want to install it again? (y/n): "
read answer
if [[ $answer == "y" ]]; then
print_status "Proceeding to re-install bro..."
else
SKIP=1
fi
else
print_status "Proceeding to install bro..."
fi
if [[ $SKIP == 0 ]]; then
# Prereqs
if [ -f /etc/centos-release ]; then
print_status "installing prereqs via yum..."
yum -y install cmake make gcc gcc-c++ flex bison openssl-devel python-devel swig zlib-devel file-devel geoip-devel sendmail libpcap-devel screen htop
fi
#decompress, cd to source
cd $wrk_dir
wget "https://www.bro.org/downloads/release/bro-2.4.1.tar.gz"
handle_error
tar xzf bro-2.4.1.tar.gz
handle_error
cd bro-2.4.1/
handle_error
#install bro
print_status "./configure --prefix=$install_dir/bro/ --with-pcap=/usr/local/pfring..."
export LDFLAGS="-Wl,--no-as-needed -lrt"
export LIBS="-lrt -lnuma"
./configure --prefix=$install_dir/bro/ --with-pcap=/usr/local/pfring
handle_error
print_status "make clean..."
make clean
handle_error
print_status "make...(bro takes a while to make)"
make
handle_error
print_status "make install..."
make install
handle_error
print_status "Building BRO config based on global vars..."
sed -i 's,interface=eth0,#interface=eth0,' $install_dir/bro/etc/node.cfg
echo -e "[manager]\ntype=manager\nhost=$manage_ip\n\n" >> $install_dir/bro/etc/node.cfg
handle_error
echo -e "[proxy-1]\ntype=proxy\nhost=$manage_ip\n\n" >> $install_dir/bro/etc/node.cfg
handle_error
echo -e "[worker-1]\ntype=worker\nhost=$manage_ip\ninterface=$sniff_int\nlb_method=pf_ring\nlb_procs=$num_bro_pf_proc" >> $install_dir/bro/etc/node.cfg
handle_error
sed -i 's/\[bro\]/#\[bro\]/' $install_dir/bro/etc/node.cfg
handle_error
sed -i 's/type=standalone/#type=standalone/' $install_dir/bro/etc/node.cfg
handle_error
sed -i 's/host=localhost/#host=localhost/' $install_dir/bro/etc/node.cfg
handle_error
print_status "Ok, here's the config file for bro..."
cat $install_dir/bro/etc/node.cfg
sleep 10
if [ $pfring_zc_enabled == "true" ]; then
print_status "Checking to make sure bro compiled with pfring properly..."
if [[ -z `ldd $install_dir/bro/bin/bro | grep pfring` ]]; then
print_error "It looks like bro didnt properly link libpcap...here look:"
ldd $install_dir/bro/bin/bro | grep libpcap
print_error "That should point to '/usr/local/pfring/lib/libpcap.so.1'"
print_error "You will need to make sure pfring installed properly and that bro is properly searching for the so."
exit 0
else
print_good "Looks good."
ldd $install_dir/bro/bin/bro | grep libpcap
fi
fi
print_status "cleanup..."
rm -rf $wrk_dir/bro-2.4.1
handle_error
$install_dir/bro/bin/broctl cron enable
handle_error
$install_dir/bro/bin/broctl install
handle_error
$install_dir/bro/bin/broctl check
handle_error
print_status "adding broctl cron..."
line_bro="0-59/5 * * * * $install_dir/bro/bin/broctl cron"
(crontab -l; echo "$line_bro" ) | crontab -
sed -i "s,/var/opt/bro/spool,${install_dir}/bro/spool," $install_dir/bro/etc/broctl.cfg
handle_error
sed -i "s,/var/opt/bro/logs,${install_dir}/bro/logs," $install_dir/bro/etc/broctl.cfg
handle_error
print_status "moving back to the working dir..."
cd $wrk_dir
handle_error
else
space_pls
print_good "Skipped BRO install..."
fi
space_pls
print_status "BRO install has completed."
space_pls
}
function suricata ()
{
print_status "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
print_status "!!!!! Installing Suricata !!!!!"
print_status "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
space_pls
sniff_driver=$(ethtool -i $sniff_int | grep driver | awk '{ print $2 }')
if [[ $sniff_driver == "igb" || $sniff_driver == "e1000e" || $sniff_driver == "ixgbe" ]]; then
pfring_zc_enabled=true
else
pfring_zc_enabled=false
fi
SKIP=0
if [ -d "$install_dir/suricata/bin" ]; then
print_error "It looks like suricata may already be installed...do you want to install it again? (y/n): "
read answer
if [[ $answer == "y" ]]; then
print_status "Proceeding to re-install suricata..."
print_status "Moving the suricata folder to old_suricata..."
mv $install_dir/suricata $install/old_suricata
print_status "Removing lua .so's so they can be rebuilt..."
rm -f /usr/lib64/lua/5.1/zip.so
rm -f /usr/lib64/lua/5.1/apr
rm -f /usr/lib64/lua/5.1/ltn12ce
rm -f /usr/lib64/lua/5.1/zlib.so
rm -f /usr/lib64/lua/5.1/struct.so
print_status "Removing decompressed lua thirdparty modules so they can be rebuilt..."
rm -f $wrk_dir/lua_stuff
else
SKIP=1
fi
else
print_status "Proceeding to install suricata..."
fi
if [[ $SKIP == 0 ]]; then
# Prereqs
if [ -f /etc/centos-release ]; then
yum -y install libpcap libpcap-devel libnet libnet-devel pcre pcre-devel gcc gcc-c++ automake autoconf screen htop libtool make libyaml libyaml-devel zlib zlib-devel file-devel wget git-core nss-util nss-util-devel nss-devel nspr-devel nspr GeoIP-devel GeoIP python-simplejson python-setuptools python-instant python-distutils-extra
fi
# Lua scripting support
if [ -f /etc/centos-release ]; then
yum install -y zip unzip luarocks cmake lua-devel apr-devel apr-util-devel libapreq2 libapreq2-devel zziplib zziplib-devel
fi
print_status "Decompressing Lua Thirdparty Modules"
mkdir $wrk_dir/lua_stuff
tar xzf $wrk_dir/lua_thirdparty.tar.gz -C $wrk_dir/lua_stuff
# PCRE
cd $wrk_dir/lua_stuff
handle_error
tar -xzvf pcre-8.35.tar.gz
handle_error
cd pcre-8.35
handle_error
./configure --prefix=/usr/local/pcre-8.35/ --enable-jit --enable-utf8 --enable-unicode-properties
handle_error
make -j
handle_error
make install
handle_error
cd ..
luarocks install struct
handle_error
luarocks install lua-apr
handle_error
luarocks install luazip
handle_error
# LUA ZLIB
mkdir lua-zlib
handle_error
cd lua-zlib
handle_error
unzip $wrk_dir/lua_stuff/lua-zlib.zip
handle_error
cmake lua-zlib
handle_error
make install
handle_error
cd ..
handle_error
# ltn12ce
unzip ltn12ce.zip
handle_error
cd ltn12ce
handle_error
mkdir build
handle_error
cd build
handle_error
cmake .. -DBUILD_ZLIB=Off
handle_error
make
handle_error
make install
handle_error
cd ..
handle_error
# LuaBitOp
cd $wrk_dir/lua_stuff
handle_error
tar xzf LuaBitOp-1.0.2.tar.gz
handle_error
cd LuaBitOp-1.0.2
handle_error
make
handle_error
make install
handle_error
# Links so lua can find things where it expects them
ln -s /usr/lib/lua/5.1/zip.so /usr/lib64/lua/5.1/zip.so
handle_error
ln -s /usr/lib/lua/5.1/apr /usr/lib64/lua/5.1/apr
handle_error
ln -s /usr/local/lib/lua/ltn12ce /usr/lib64/lua/5.1/ltn12ce
handle_error
ln -s /usr/local/share/lua/cmod/zlib.so /usr/lib64/lua/5.1/zlib.so
handle_error
ln -s /usr/lib/lua/5.1/struct.so /usr/lib64/lua/5.1/struct.so
handle_error
rm -rf $wrk_dir/lua_stuff
handle_error
# Uncompress Suri install files
cd $wrk_dir
wget "http://www.openinfosecfoundation.org/download/suricata-2.0.9.tar.gz"
handle_error
tar xzf suricata-2.0.9.tar.gz
handle_error
print_status "cd suricata-2.0.9/..."
cd suricata-2.0.9/
handle_error
print_status "Installing suri...wooo..."
print_status "big configure statement w/ pfring stuff..."
LIBS=-lrt ./configure --prefix=$install_dir/suricata/ --enable-pfring --enable-lua --with-libpfring-includes=/usr/local/pfring/include --with-libpfring-libraries=/usr/local/pfring/lib --with-libpcap-includes=/usr/local/pfring/include --with-libpcap-libraries=/usr/local/pfring/lib
handle_error
print_status "make clean..."
make clean
handle_error
print_status "make..."
make
handle_error
print_status "make install-full..."
make install-full
handle_error
print_status "ldconfig..."
ldconfig
handle_error
# Oinkmaster
print_status "Copy over oinkmaster for updating..."
tar xzf $wrk_dir/oinkmaster.tar.gz -C $install_dir
handle_error
# Configure etpro ruleset if set
if [ -z $etpro_license ]; then
print_status "Using Emerging Threats Community Ruleset"
else
print_status "sed -i 's/url = http:\/\/rules.emergingthreats.net\/open\/suricata\/emerging.rules.tar.gz/url = http:\/\/rules.emergingthreatspro.com\/$etpro_license\/suricata-1.3\/etpro.rules.tar.gz/' $install_dir/oinkmaster/oinkmaster.conf..."
sed -i "s,url = http://rules.emergingthreats.net/open/suricata/emerging.rules.tar.gz,url = http://rules.emergingthreatspro.com/$etpro_license/suricata-1.3/etpro.rules.tar.gz," $install_dir/oinkmaster/oinkmaster.conf
handle_error
fi
# Get Rules / Configure Cron
print_status "update ruleset with ET sigs..."
$install_dir/oinkmaster/oinkmaster.pl -C $install_dir/oinkmaster/oinkmaster.conf -o $install_dir/suricata/etc/suricata/rules/
handle_error
print_status "grab the et-luajit-rules..."
git clone https://github.com/EmergingThreats/et-luajit-scripts $install_dir/suricata/et-luajit-scripts
handle_error