PulledPork
・Perl module
[root]# cpan LWP::UserAgent::Determined Net::SSLeay
LWP::Protocol::https Sys::Syslog Archive::Tar
・Installation
[root]# mkdir -p /usr/local/pulledpork/etc
[root]# git clone https://github.com/shirkdog/pulledpork.git
[root]# cp -v pulledpork/pulledpork.pl /usr/local/pulledpork/
[root]# cp -v pulledpork/etc/* /usr/local/pulledpork/etc/
[root]# chown -R snort:snort /usr/local/pulledpork/
[root]# chmod 755 /usr/local/pulledpork/pulledpork.pl
・Constitution
[root]# vim /usr/local/pulledpork/etc/pulledpork.conf
rule_url=https://www.snort.org/reg-rules/|snortrules-snapshot.tar.gz|<OINKCODE>
#ignore=deleted.rules,experimental.rules,local.rules
rule_path=/usr/local/snort/rules/snort.rules
local_rules=/usr/local/snort/rules/local.rules
sid_msg=/usr/local/snort/etc/snort/sid-msg.map
sid_changelog=/var/log/sid_changes.log
snort_path=/usr/local/snort/bin/snort
config_path=/usr/local/snort/etc/snort/snort.lua
distro=Centos-8
block_list=/usr/local/snort/intel/ip-blocklist
IPRVersion=/usr/local/snort/intel/
snort_control=/usr/local/bin/snort_control
pid_path=/var/log/snort/snort.pid
#snort_version=3.1.0.0
snort_version=3.2.0.0
enablesid=/usr/local/pulledpork/etc/enablesid.conf
dropsid=/usr/local/pulledpork/etc/dropsid.conf
disablesid=/usr/local/pulledpork/etc/disablesid.conf
modifysid=/usr/local/pulledpork/etc/modifysid.conf
#ips_policy=security <-- comment out
version=0.8.0
・Run PulledPork and update rule file
[root]# /usr/local/pulledpork/pulledpork.pl
-c /usr/local/pulledpork/etc/pulledpork.conf -PE -v -T -H SIGHUP
※ If the rule file cannot be updated.
[root]# curl -Lo snortrules-snapshot-3200.tar.gz
https://www.snort.org/rules/snortrules-snapshot-3200.tar.gz?oinkcode=<OINKCODE>
[root]# tar xvfz snortrules-snapshot-3200.tar.gz
[root]# cat rules/*.rules > /usr/local/snort/rules/snort.rules
[root]# ls -lh /usr/local/snort/rules/snort.rules
-rw-r--r-- 1 root root 23M 2月 13 17:42 /usr/local/snort/rules/snort.rules
・Periodically run PulledPork with systemd timer instead of cron
[root]# vim /etc/systemd/system/pulledpork.service
[Unit]
Description=PulledPork service for updating Snort 3 rules
Wants=pulledpork.timer
[Service]
Type=oneshot
RemainAfterExit = yes
ProtectSystem = true
ProtectHome = true
ReadWritePaths = /usr/local/snort /usr/local/pulledpork
ExecStart=/usr/local/pulledpork/pulledpork.pl
-c /usr/local/pulledpork/etc/pulledpork.conf -PE -v -T -H SIGHUP
[Install]
WantedBy=multi-user.target
[root]# vim /etc/systemd/system/pulledpork.timer
[Unit]
Description=PulledPork service timer for updating Snort 3 rules
Requires=pulledpork.service
[Timer]
Unit=pulledpork.service
OnCalendar=*-*-* 00:15:00
AccuracySec=1us
[Install]
WantedBy=timers.target
[root]# systemctl daemon-reload
[root]# systemctl enable pulledpork.timer