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Snorter_Ubuntu-14.04.sh
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Snorter_Ubuntu-14.04.sh
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#!/bin/bash
# Title: Snorter.sh
# Description: Install automatically Snort + Barnyard2 + PulledPork
# Author: Joan Bono (@joan_bono)
# Version: 1.0.2
# Last Modified: jbono @ 20180104
RED='\033[0;31m'
ORANGE='\033[0;205m'
YELLOW='\033[0;93m'
GREEN='\033[0;32m'
CYAN='\033[0;96m'
BLUE='\033[0;34m'
VIOLET='\033[0;35m'
NOCOLOR='\033[0m'
BOLD='\033[1m'
function update_upgrade() {
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} Updating and Upgrading repositories...\n\n"
sudo apt-get update && sudo apt-get upgrade -y --force-yes
}
function snort_install() {
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} Installing dependencies.\n\n"
sudo apt-get install -y --force-yes build-essential libpcap-dev libpcre3-dev libdumbnet-dev bison flex zlib1g-dev git locate vim
#Downloading DAQ and SNORT
cd $HOME && mkdir snort_src && cd snort_src
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} Downloading ${BOLD}$DAQ${NOCOLOR}.\n\n"
wget --no-check-certificate -P $HOME/snort_src https://snort.org/downloads/snort/$DAQ.tar.gz
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} Downloading ${BOLD}$SNORT${NOCOLOR}.\n\n"
wget --no-check-certificate -P $HOME/snort_src https://snort.org/downloads/snort/$SNORT.tar.gz
#Installing DAQ
cd $HOME/snort_src/
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} Installing ${BOLD}$DAQ${NOCOLOR}.\n\n"
tar xvfz $DAQ.tar.gz
mv $HOME/snort_src/daq-*/ $HOME/snort_src/daq
cd $HOME/snort_src/daq
./configure && make && sudo make install
echo -ne "\n\t${GREEN}[+] INFO:${NOCOLOR} ${BOLD}$DAQ${NOCOLOR} installed successfully.\n\n"
#Installing SNORT
cd $HOME/snort_src
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} Installing ${BOLD}$SNORT${NOCOLOR}.\n\n"
tar xvfz $SNORT.tar.gz > /dev/null 2>&1
rm -r *.tar.gz > /dev/null 2>&1
mv snort-*/ snort
cd snort
./configure --enable-sourcefire && make && sudo make install
echo -ne "\n\t${GREEN}[+] INFO:${NOCOLOR} ${BOLD}$SNORT${NOCOLOR} installed successfully.\n\n"
cd ..
sudo ldconfig
sudo ln -s /usr/local/bin/snort /usr/sbin/snort
#Adding SNORT user and group for running SNORT
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} Adding user and group ${BOLD}SNORT${NOCOLOR}.\n\n"
sudo groupadd snort
sudo useradd snort -r -s /sbin/nologin -c SNORT_IDS -g snort
sudo mkdir /etc/snort > /dev/null 2>&1
sudo mkdir /etc/snort/rules > /dev/null 2>&1
sudo mkdir /etc/snort/preproc_rules > /dev/null 2>&1
sudo touch /etc/snort/rules/white_list.rules /etc/snort/rules/black_list.rules /etc/snort/rules/local.rules > /dev/null 2>&1
sudo mkdir /var/log/snort > /dev/null 2>&1
sudo mkdir /usr/local/lib/snort_dynamicrules > /dev/null 2>&1
sudo chmod -R 5775 /etc/snort > /dev/null 2>&1
sudo chmod -R 5775 /var/log/snort > /dev/null 2>&1
sudo chmod -R 5775 /usr/local/lib/snort_dynamicrules > /dev/null 2>&1
sudo chown -R snort:snort /etc/snort > /dev/null 2>&1
sudo chown -R snort:snort /var/log/snort > /dev/null 2>&1
sudo chown -R snort:snort /usr/local/lib/snort_dynamicrules > /dev/null 2>&1
sudo cp ~/snort_src/snort/etc/*.conf* /etc/snort > /dev/null 2>&1
sudo cp ~/snort_src/snort/etc/*.map /etc/snort > /dev/null 2>&1
sudo sed -i 's/include \$RULE\_PATH/#include \$RULE\_PATH/' /etc/snort/snort.conf
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} /var/log/snort and /etc/snort created and configurated.\n\n"
sudo /usr/local/bin/snort -V
echo -ne "\n\t${GREEN}[+] INFO:${NOCOLOR} ${BOLD}SNORT${NOCOLOR} is successfully installed and configurated!"
}
function snort_edit() {
echo -ne "\n\t${YELLOW}[!] INFO:${NOCOLOR} Now it's time to edit the ${BOLD}SNORT${NOCOLOR} configuration file.\n\n"
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} Add your ${BOLD}HOME_NET${NOCOLOR} address [Ex: 192.168.1.0/24]"
echo -ne "\n\t${YELLOW}[!] WARNING:${NOCOLOR} Press ${BOLD}ENTER${NOCOLOR} to continue. "
read -n 1 -s
sudo vim /etc/snort/snort.conf -c "/ipvar HOME_NET"
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} Add your ${BOLD}EXTERNAL_NET${NOCOLOR} address [Ex: !\$HOME_NET]"
echo -ne "\n\t${YELLOW}[!] WARNING:${NOCOLOR} Press ${BOLD}ENTER${NOCOLOR} to continue. "
read -n 1 -s
sudo vim /etc/snort/snort.conf -c "/ipvar EXTERNAL_NET"
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} Adding ${BOLD}RULE_PATH${NOCOLOR} to snort.conf file"
sudo sed -i 's/RULE_PATH\ \.\.\//RULE_PATH\ \/etc\/snort\//g' /etc/snort/snort.conf
sudo sed -i 's/_LIST_PATH\ \.\.\//_LIST_PATH\ \/etc\/snort\//g' /etc/snort/snort.conf
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} Enabling ${BOLD}local.rules${NOCOLOR} and adding a PING detection rule..."
sudo sed -i 's/#include \$RULE\_PATH\/local\.rules/include \$RULE\_PATH\/local\.rules/' /etc/snort/snort.conf
sudo chmod 766 /etc/snort/rules/local.rules
sudo echo 'alert icmp any any -> $HOME_NET any (msg:"PING ATTACK"; sid:10000001; rev:001;)' >> /etc/snort/rules/local.rules
#SNORT OUTPUT: UNIFIED2 --> MANDATORY || CSV/TCPDUMP/BOTH
sudo sed -i 's/# unified2/output unified2: filename snort.u2, limit 128/g' /etc/snort/snort.conf
while true; do
echo -ne "\n\t${YELLOW}[!] WARNING:${NOCOLOR} Unified2 output configured. Configure another output?\n\t\t${YELLOW}1${NOCOLOR} - ${BOLD}CSV${NOCOLOR} output\n\t\t${YELLOW}2${NOCOLOR} - ${BOLD}TCPdump${NOCOLOR} output\n\t\t${YELLOW}3${NOCOLOR} - ${BOLD}CSV${NOCOLOR} and ${BOLD}TCPdump${NOCOLOR} output\n\t\t${YELLOW}4${NOCOLOR} - ${BOLD}None${NOCOLOR}\n\n\tOption [1-4]: "
read OPTION
case $OPTION in
1 )
echo -ne "\n\t${YELLOW}[!] WARNING:${NOCOLOR} ${BOLD}CSV${NOCOLOR} output will be configured\n"
sudo sed -i 's/# syslog/output alert_csv: \/var\/log\/alert.csv default/g' /etc/snort/snort.conf
break
;;
2 )
echo -ne "\n\t${YELLOW}[!] WARNING:${NOCOLOR} ${BOLD}TCPdump${NOCOLOR} output will be configured\n"
sudo sed -i 's/# pcap/output log_tcpdump: \/var\/log\/snort\/snort.log/g' /etc/snort/snort.conf
break
;;
3 )
echo -ne "\n\t${YELLOW}[!] WARNING:${NOCOLOR} ${BOLD}CSV${NOCOLOR} and ${BOLD}TCPdump${NOCOLOR} output will be configured\n"
sudo sed -i 's/# syslog/output alert_csv: \/var\/log\/snort\/alert.csv default/g' /etc/snort/snort.conf
sudo sed -i 's/# pcap/output log_tcpdump: \/var\/log\/snort\/snort.log/g' /etc/snort/snort.conf
break
;;
4 )
echo -ne "\n\t${YELLOW}[!] WARNING:${NOCOLOR} No other output will be configured\n\n"
break
;;
* )
echo -ne "\n\t${RED}[-] ERROR:${NOCOLOR} Invalid option\n\n"
;;
esac
done
}
function snort_test() {
echo -ne "\n\t${YELLOW}[!] WARNING:${NOCOLOR} Starting ${BOLD}SNORT${NOCOLOR} in test mode. Checking configuration file.... \n"
sudo snort -T -c /etc/snort/snort.conf
echo -ne "\n\t${YELLOW}[!] WARNING:${NOCOLOR} Attempting to test ${BOLD}ICMP${NOCOLOR} rule in ${BOLD}$INTERFACE${NOCOLOR}. Send a PING to your ${BOLD}SNORT${NOCOLOR} machine. Press ${BOLD}Ctrl+C${NOCOLOR} once and wait few seconds to stop the process...\n "
echo -ne "\n\t${YELLOW}[!] WARNING:${NOCOLOR} Press ${BOLD}ENTER${NOCOLOR} to continue. "
read -n 1 -s
sudo snort -A console -q -u snort -g snort -c /etc/snort/snort.conf -i $INTERFACE
killall -9 snort
}
function barnyard2_ask() {
while true; do
echo -ne "\n\t${YELLOW}[!] IMPORTANT:${NOCOLOR} Would you like to install ${BOLD}BARNYARD2${NOCOLOR}? [Y/n] "
read OPTION
case $OPTION in
Y|y )
barnyard2_install
break
;;
N|n )
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} ${BOLD}BARNYARD2${NOCOLOR} won't be installed.\n\n"
break
;;
* )
echo -ne "\n\t${RED}[-] ERROR:${NOCOLOR} Invalid option.\n\n"
;;
esac
done
}
function barnyard2_install() {
echo -ne "\n\t${YELLOW}[!] WARNING:${NOCOLOR} Insert new ${BOLD}SNORT${NOCOLOR} Database Password: "
read SNORTSQLPASSWORD
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} Installing dependencies."
echo -ne "\n\t${YELLOW}[!] WARNING:${NOCOLOR} You will be asked for a ${BOLD}password for MySQL${NOCOLOR} service if it isn't installed in the system."
echo -ne "\n\t${YELLOW}[!] WARNING:${NOCOLOR} Press ${BOLD}ENTER${NOCOLOR} to continue. "
read -n 1 -s
sudo apt-get install -y --force-yes mysql-server libmysqlclient-dev mysql-client autoconf libtool libdnet checkinstall yagiuda libdnet-dev locate
cd $HOME/snort_src
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} Downloading ${BOLD}BARNYARD2${NOCOLOR}.\n\n"
git clone https://github.com/firnsy/barnyard2.git && cd $HOME/snort_src/barnyard2
autoreconf -fvi -I ./m4
ln -s /usr/include/dumbnet.h dnet.h
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} Installing ${BOLD}BARNYARD2${NOCOLOR}2.\n\n"
if [ "$MACHINE" == "x86_64" ]; then
./configure --with-mysql --with-mysql-libraries=/usr/lib/x86_64-linux-gnu
elif [ "$MACHINE" == "i386" ]; then
./configure --with-mysql --with-mysql-libraries=/usr/lib/i386-linux-gnu
else
./configure --with-mysql --with-mysql-libraries=/usr/lib/arm-linux-gnueabihf
fi
make
sudo make install
echo -ne "\n\t${GREEN}[+] INFO:${NOCOLOR} ${COLOR}BARNYARD2${NOCOLOR} installed successfully.\n\n"
sudo cp etc/barnyard2.conf /etc/snort > /dev/null 2>&1
sudo mkdir /var/log/barnyard2 > /dev/null 2>&1
sudo chown snort.snort /var/log/barnyard2 > /dev/null 2>&1
sudo touch /var/log/snort/barnyard2.waldo > /dev/null 2>&1
sudo chown snort.snort /var/log/snort/barnyard2.waldo > /dev/null 2>&1
sudo touch /etc/snort/sid-msg.map > /dev/null 2>&1
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} The ${BOLD}SNORT${NOCOLOR} database is going to be created. You will be asked for ${RED}MySQL password 3 times${NOCOLOR}"
echo -ne "\n\t${YELLOW}[!] WARNING:${NOCOLOR} Press ${BOLD}ENTER${NOCOLOR} to continue. "
read -n 1 -s
echo -ne "\n\n"
sudo /etc/init.d/mysql start > /dev/null 2>&1
echo "create database snort;" | mysql -u root -p
mysql -u root -p -D snort < $HOME/snort_src/barnyard2/schemas/create_mysql
echo "grant create, insert, select, delete, update on snort.* to 'snort'@'localhost' identified by '$SNORTSQLPASSWORD'" | mysql -u root -p
sudo echo "output database: log, mysql, user=snort password=$SNORTSQLPASSWORD dbname=snort host=localhost" >> /etc/snort/barnyard2.conf
sudo chmod 766 /etc/snort/barnyard2.conf
sudo chmod o-r /etc/snort/barnyard2.conf
barnyard2 -V
echo -ne "\n\t${GREEN}[+] INFO:${NOCOLOR} ${BOLD}BARNYARD2${NOCOLOR} is successfully installed and configurated!"
}
function pulledpork_ask() {
echo -ne "\n\t${YELLOW}[!] IMPORTANT:${NOCOLOR} Would you like to install ${BOLD}PULLEDPORK${NOCOLOR}? [Y/n] "
while true; do
read OPTION
case $OPTION in
Y|y )
pulledpork_install
pulledpork_edit
break
;;
N|n )
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} ${BOLD}PULLEDPORK${NOCOLOR} won't be installed.\n\n"
break
;;
* )
echo -ne "\n\t${RED}[-] ERROR:${NOCOLOR} Invalid option.\n\n"
;;
esac
done
}
function pulledpork_install() {
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} Installing dependencies.\n\n"
sudo apt-get install -y --force-yes libcrypt-ssleay-perl liblwp-useragent-determined-perl
cd $HOME/snort_src
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} Downloading ${BOLD}PULLEDPORK${NOCOLOR}.\n\n"
git clone https://github.com/shirkdog/pulledpork.git
cd $HOME/snort_src/pulledpork
sudo cp pulledpork.pl /usr/local/bin > /dev/null 2>&1
sudo chmod +x /usr/local/bin/pulledpork.pl > /dev/null 2>&1
sudo cp etc/*.conf /etc/snort/ > /dev/null 2>&1
sudo mkdir /etc/snort/rules/iplists > /dev/null 2>&1
sudo touch /etc/snort/rules/iplists/default.blacklist > /dev/null 2>&1
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} Adding ${BOLD}PULLEDPORK${NOCOLOR} to crontab. [Everyday at 4:15 AM].\n\n"
sudo chmod 766 /etc/crontab
sudo echo "15 4 * * * root /usr/local/bin/pulledpork.pl -c /etc/snort/pulledpork.conf -i disablesid.conf -T -H" >> /etc/crontab
sudo echo "15 6 * * * root /usr/local/bin/ruleitor" >> /etc/crontab
sudo pulledpork.pl -V
echo -ne "\n\t${GREEN}[+] INFO:${NOCOLOR} ${BOLD}PULLEDPORK${NOCOLOR} is successfully installed and configured!"
}
function pulledpork_edit() {
if [ "$(echo ${#OINKCODE})" == "40" ]; then
sudo sed -i "s/<oinkcode>/$OINKCODE/g" /etc/snort/pulledpork.conf
fi
while true; do
echo -ne "\n\t${YELLOW}[!] IMPORTANT:${NOCOLOR} Would you like to enable ${BOLD}Emerging Threats${NOCOLOR} rules? [Y/n] "
read OPTION
case $OPTION in
Y|y )
sudo sed -i "s/#rule_url=https:\/\/rules.emergingthreats.net\//rule_url=https:\/\/rules.emergingthreats.net\//g" /etc/snort/pulledpork.conf
echo -ne "\n\t${GREEN}[+] INFO:${NOCOLOR} ${BOLD}Emerging Threats${NOCOLOR} rules enabled!"
break
;;
N|n )
echo -ne "\n\t${GREEN}[+] INFO:${NOCOLOR} ${BOLD}Emerging Threats${NOCOLOR} rules disabled!"
break
;;
* )
echo -ne "\n\t${RED}[-] ERROR:${NOCOLOR} Invalid option."
;;
esac
done
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} Editing ${BOLD}pulledpork.conf${NOCOLOR} settings...\n"
sudo sed -i "s/\/usr\/local\/etc\/snort\//\/etc\/snort\//g" /etc/snort/pulledpork.conf
sudo sed -i "s/# enablesid=/enablesid=/g" /etc/snort/pulledpork.conf
sudo sed -i "s/# dropsid=/enablesid=/g" /etc/snort/pulledpork.conf
sudo sed -i "s/# disablesid=/enablesid=/g" /etc/snort/pulledpork.conf
sudo sed -i "s/# modifysid=/enablesid=/g" /etc/snort/pulledpork.conf
sudo sed -i "s/distro=FreeBSD-8-1/distro=Debian-8-4/g" /etc/snort/pulledpork.conf
sudo sed -i "s/# out_path=/out_path=/g" /etc/snort/pulledpork.conf
sudo echo """
#!/bin/bash
#Snort Snapshot
cd /tmp
tar -zxvf /tmp/snortrules-snapshot-*.tar.gz --strip-components=1 rules/ > /dev/null 2>&1
cp /tmp/rules/*.rules /etc/snort/rules/ > /dev/null 2>&1
rm -r /tmp/snortrules-snapshot-*.tar.gz /tmp/rules /tmp/preproc_rules /tmp/so_rules /tmp/etc > /dev/null 2>&1
#Community Rules
tar -zxvf /tmp/community-rules.tar.gz > /dev/null 2>&1
cp /tmp/community-rules/*.rules /etc/snort/rules/ > /dev/null 2>&1
rm -r /tmp/community-rules* > /dev/null 2>&1
#Emerging Threats Rules
tar -zxvf /tmp/emerging.rules.tar.gz > /dev/null 2>&1
cp /tmp/rules/*.rules /etc/snort/rules/ > /dev/null 2>&1
rm -r /tmp/* > /dev/null 2>&1
#Adding permissions
chmod 777 /etc/snort/rules/*.rules
""" > /usr/local/bin/ruleitor
sudo chmod 777 /usr/local/bin/ruleitor
}
function service_create() {
while true; do
echo -ne "\n\t${YELLOW}[!] IMPORTANT:${NOCOLOR} Would you like to create a service ${BOLD}snort${NOCOLOR}? [Y/n] "
read OPTION
case $OPTION in
Y|y )
service_add
sudo chmod +x /etc/init/barnyard2.conf && initctl list | grep barnyard2 && sudo chmod +x /etc/init/snort.conf && initctl list | grep snort
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} Now you can run ${BOLD}sudo service snort ${NOCOLOR} {start|stop|status}.\n\n"
break
;;
N|n )
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} The service ${BOLD}snort${NOCOLOR} won't be created.\n\n"
break
;;
* )
echo -ne "\n\t${RED}[-] ERROR:${NOCOLOR} Invalid option.\n\n"
;;
esac
done
if [ -f /etc/snort/pulledpork.conf ]; then
while true; do
echo -ne "\n\t${YELLOW}[!] IMPORTANT:${NOCOLOR} Would you like to download new rules using ${BOLD}PULLEDPORK${NOCOLOR}? [Y/n] "
read OPTION
case $OPTION in
Y|y )
sudo /usr/local/bin/pulledpork.pl -c /etc/snort/pulledpork.conf -i disablesid.conf -T -H
sudo /usr/local/bin/ruleitor
break
;;
N|n )
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} The service ${BOLD}snort${NOCOLOR} won't be created.\n\n"
break
;;
* )
echo -ne "\n\t${RED}[-] ERROR:${NOCOLOR} Invalid option.\n\n"
;;
esac
done
fi
}
function service_add() {
if [ -f /etc/snort/barnyard2.conf ]; then
sudo echo """
description \"barnyard2 service\"
stop on runlevel [!2345]
start on runlevel [2345]
script
exec /usr/local/bin/barnyard2 -c /etc/snort/barnyard2.conf -d /var/log/snort -f snort.u2 -w /var/log/snort/barnyard2.waldo -g snort -u snort -D -a /var/log/snort/archived_logs
end script
""" > /etc/init/barnyard2.conf
fi
sudo echo """
description \"Snort NIDS service\"
stop on runlevel [!2345]
start on runlevel [2345]
script
exec /usr/sbin/snort -q -u snort -g snort -c /etc/snort/snort.conf -i $INTERFACE -D
end script
""" > /etc/init/snort.conf
}
function websnort_ask() {
echo -ne "\n\t${YELLOW}[!] IMPORTANT:${NOCOLOR} Would you like to install ${BOLD}WEBSNORT${NOCOLOR} for PCAP Analysis? [Y/n] "
while true; do
read OPTION
case $OPTION in
Y|y )
websnort_install
break
;;
N|n )
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} ${BOLD}WEBSNORT${NOCOLOR} won't be installed.\n\n"
break
;;
* )
echo -ne "\n\t${RED}[-] ERROR:${NOCOLOR} Invalid option.\n\n"
;;
esac
done
}
function websnort_install() {
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} Installing dependencies.\n\n"
sudo apt-get install -y --force-yes python-pip
sudo pip install websnort > /dev/null 2>&1
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} running ${BOLD}WEBSNORT${NOCOLOR} on ${BOLD}http://localhost:80${NOCOLOR}.\n\n"
sudo websnort -p 80 > /dev/null 2>&1 &
echo -ne "\n\t${YELLOW}[!] IMPORTANT:${NOCOLOR} Would you like to start ${BOLD}WEBSNORT${NOCOLOR} with the system? [Y/n] "
while true; do
read OPTION
case $OPTION in
Y|y )
echo "sudo websnort -p 80 > /dev/null 2>&1 &" >> $HOME/.bashrc
echo -ne "\n\t${GREEN}[+] INFO:${NOCOLOR} ${BOLD}WEBSNORT${NOCOLOR} is successfully installed and configured!\n\n"
break
;;
N|n )
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} ${BOLD}WEBSNORT${NOCOLOR} won't start at system boot."
echo -ne "\n\t${YELLOW}[!] INFO:${NOCOLOR} run ${BOLD}sudo websnort -p 80${NOCOLOR} everytime you need ${BOLD}WEBSNORT${NOCOLOR}."
break
;;
* )
echo -ne "\n\t${RED}[-] ERROR:${NOCOLOR} Invalid option.\n\n"
;;
esac
done
}
function last_steps() {
echo -ne "\n\t${YELLOW}[!] IMPORTANT:${NOCOLOR} Would you like to enable ${BOLD}Emerging Threats${NOCOLOR} and ${BOLD}Community${NOCOLOR} rules for detection? [Y/n] "
read OPTION
case "$OPTION" in
[yY][eE][sS]|[yY])
echo "# Community and Emerging Rules enabled" >> /etc/snort/snort.conf
for RULE in $(ls -l /etc/snort/rules/emerging-*.rules | awk '{print $9}'); do
echo "include $RULE" >> /etc/snort/snort.conf ;
done
echo "include /etc/snort/rules/community.rules" >> /etc/snort/snort.conf
sudo service barnyard2 restart && sudo service snort restart
echo -ne "\n\t${GREEN}[+] SUCCESS:${NOCOLOR} ${BOLD}Emerging Threats${NOCOLOR} and ${BOLD}Community${NOCOLOR} rules enabled\n\n"
;;
*)
echo -ne "\n\t${YELLOW}[!] IMPORTANT:${NOCOLOR} Edit your ${BOLD}/etc/snort/snort.conf${NOCOLOR} and enable the rules you need by uncomment the lines"
echo -ne "\n\t${YELLOW}[!] EXAMPLE:${NOCOLOR} If you want to enable the ${BOLD}Exploit rules${NOCOLOR}, remove the ${RED}${BOLD}#${NOCOLOR}:"
echo -ne "\n\t\t${RED}#${NOCOLOR}include \$RULE_PATH/exploit.rules ${GREEN}-->${NOCOLOR} include \$RULE_PATH/exploit.rules\n\n"
;;
esac
}
function system_reboot() {
while true; do
echo -ne "\n\t${YELLOW}[!] IMPORTANT:${NOCOLOR} Would you like to ${BOLD}REBOOT${NOCOLOR} now? [Y/n] "
read OPTION
case $OPTION in
Y|y )
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} Rebooting...\n\n"
sleep 1
sudo reboot
break
;;
N|n )
echo -ne "\n\t${CYAN}[i] INFO:${NOCOLOR} Exiting from the installer. Enjoy ${BOLD}SNORT${NOCOLOR}!\n\n"
break
;;
* )
echo -ne "\n\t${RED}[-] ERROR:${NOCOLOR} Invalid option.\n\n"
;;
esac
done
}
function banner() {
echo -ne """
,-,------,
\\\\(\\\\(_,-- ${RED} ███████╗${ORANGE}███╗ ██╗${YELLOW} ██████╗ ${GREEN}██████╗ ${CYAN}████████╗${BLUE}███████╗${VIOLET}██████╗ ${NOCOLOR}
<\\--/\>/(/(__ ${RED} ██╔════╝${ORANGE}████╗ ██║${YELLOW}██╔═══██╗${GREEN}██╔══██╗${CYAN}╚══██╔══╝${BLUE}██╔════╝${VIOLET}██╔══██╗ ${NOCOLOR}
/. . \ ${RED} ███████╗${ORANGE}██╔██╗ ██║${YELLOW}██║ ██║${GREEN}██████╔╝${CYAN} ██║ ${BLUE}█████╗ ${VIOLET}██████╔╝ ${NOCOLOR}
('') , @ ${RED} ╚════██║${ORANGE}██║╚██╗██║${YELLOW}██║ ██║${GREEN}██╔══██╗${CYAN} ██║ ${BLUE}██╔══╝ ${VIOLET}██╔══██╗ ${NOCOLOR}
\_._, / ${RED} ███████║${ORANGE}██║ ╚████║${YELLOW}╚██████╔╝${GREEN}██║ ██║${CYAN} ██║ ${BLUE}███████╗${VIOLET}██║ ██║ ${NOCOLOR}
)-)_/--( > ${RED} ╚══════╝${ORANGE}╚═╝ ╚═══╝${YELLOW} ╚═════╝ ${GREEN}╚═╝ ╚═╝${CYAN} ╚═╝ ${BLUE}╚══════╝${VIOLET}╚═╝ ╚═╝ ${NOCOLOR}
'''' ''''
"""
}
function help_usage() {
echo -ne "\n\t\t${YELLOW}USAGE:${NOCOLOR} $0 -i ${GREEN}INTERFACE${NOCOLOR}"
echo -ne "\n\t\t${YELLOW}USAGE:${NOCOLOR} $0 -o ${GREEN}OINKCODE${NOCOLOR} -i ${GREEN}INTERFACE${NOCOLOR}"
echo -ne "\n\t\t${YELLOW}Example:${NOCOLOR} $0 -o ${GREEN}123456abcdefgh${NOCOLOR} -i ${GREEN}eth0${NOCOLOR}\n\n"
exit 0
}
function main() {
update_upgrade
snort_install
snort_edit
snort_test
barnyard2_ask
pulledpork_ask
service_create
websnort_ask
last_steps
system_reboot
}
#PARSE PARAMETERS/CHECK FOR INTERFACE/CHECK FOR OINKCODE
banner
while getopts ":o:i:" OPTION; do
case "${OPTION}" in
o)
OINKCODE=${OPTARG}
;;
i)
INTERFACE=${OPTARG}
;;
*)
help_usage
;;
esac
done
shift $((OPTIND-1))
if [ -z "${INTERFACE}" ] ; then
echo -ne "\n\t\t${RED}[-] ERROR:${NOCOLOR} ${BOLD}Interface${NOCOLOR} is mandatory\n"
help_usage
fi
if [ "$(echo ${#OINKCODE})" -eq 40 ]; then
MACHINE=$(echo $(uname -m))
SNORT=$(echo $(curl -s -k https://www.snort.org | grep "wget" | grep -oP "snort\-\d.\d\.\d+(\.\d)?"))
DAQ=$(echo $(curl -s -k https://www.snort.org | grep "wget" | grep -oP "daq\-\d\.\d\.\d"))
echo -ne "\n\t\t${GREEN}[+] OINKCODE:${NOCOLOR} ${OINKCODE}"
echo -ne "\n\t\t${GREEN}[+] INTERFACE:${NOCOLOR} ${INTERFACE}"
echo -ne "\n\t\t${GREEN}[+] DAQ:${NOCOLOR} $DAQ"
echo -ne "\n\t\t${GREEN}[+] SNORT:${NOCOLOR} $SNORT"
echo -ne "\n\t\t${GREEN}[+] ARCH:${NOCOLOR} $MACHINE\n\n"
main
elif [ "$(echo ${#OINKCODE})" -lt 40 ] && [ "$(echo ${#OINKCODE})" -gt 0 ]; then
echo -ne "\n\t\t${RED}[-] ERROR:${NOCOLOR} Invalid ${BOLD}OINKCODE${NOCOLOR}\n"
help_usage
elif [ $(echo ${#OINKCODE}) -lt 40 ] || [ $(echo ${#OINKCODE}) -gt 1 ]; then
MACHINE=$(echo $(uname -m))
SNORT=$(echo $(curl -s -k https://www.snort.org | grep "wget" | grep -oP "snort\-\d.\d\.\d+(\.\d)?"))
DAQ=$(echo $(curl -s -k https://www.snort.org | grep "wget" | grep -oP "daq\-\d\.\d\.\d"))
echo -ne "\n\t\t${GREEN}[+] OINKCODE:${NOCOLOR} No OINKCODE provided."
echo -ne "\n\t\t${GREEN}[+] INTERFACE:${NOCOLOR} ${INTERFACE}"
echo -ne "\n\t\t${GREEN}[+] DAQ:${NOCOLOR} $DAQ"
echo -ne "\n\t\t${GREEN}[+] SNORT:${NOCOLOR} $SNORT"
echo -ne "\n\t\t${GREEN}[+] ARCH:${NOCOLOR} $MACHINE\n\n"
main
fi