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netscreen.rules
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netscreen.rules
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#FULLNAME: NetScreen
#VERSION: 1.0
#DESCRIPTION: The Juniper Networks NetScreen-5GT provides IPSec VPN and firewall services for abroadband telecommuter, a branch office, or a retail outlet.
#####
#
# Copyright (C) 2005 G Ramon Gomez <gene at gomezbrothers dot com>
# Based on rules by Jean-Françs SURET <tilaris at wanadoo dot fr>
# All Rights Reserved
#
# This file is part of the Prelude-LML program.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
#####
#DESCRIPTION:A high-severity event has occured N times
#CATEGORY:Network Security
#LOG:Apr 28 08:45:38 2.0.0.2 ns5gt: NetScreen device_id=ns5gt [Root]system-emergency-00005: SYN flood! From 2.0.0.3:38254 to 20.0.0.3:74, proto TCP (zone Untrust, int untrust). Occurred 1 times. (2002-01-31 00:01:51)
regex=system-emergency-\d+: (.+)! From ([\d\.]+)?:?(\d+) to ([\d\.]+)?:?(\d+), proto (\S+) \(zone (\S+), int (\S.+)\). Occurred (\d+) times; \
classification.text=$1; \
id=4400; \
revision=1; \
analyzer(0).name=Netscreen; \
analyzer(0).manufacturer=Juniper Networks; \
analyzer(0).class=Firewall; \
assessment.impact.severity=high; \
assessment.impact.completion=failed; \
assessment.impact.description=A $1 was seen $9 times coming from the $7 zone.; \
source(0).interface=$8; \
source(0).node.address(0).category=ipv4-addr; \
source(0).node.address(0).address=$2; \
source(0).service.port=$3; \
source(0).service.iana_protocol_name=$6; \
target(0).node.address(0).category=ipv4-addr; \
target(0).node.address(0).address=$4; \
target(0).service.port=$5; \
target(0).service.iana_protocol_name=$6; \
last
#DESCRIPTION:A medium-severity event has occured N times
#CATEGORY:Network Security
#LOG:Apr 28 08:45:38 2.0.0.2 ns5gt: NetScreen device_id=ns5gt [Root]system-alert-00016: Port scan! From 1.2.3.4:5 to 6.7.8.9:10, proto TCP (zone Untrust, int untrust). Occurred 11 times.
regex=system-alert-\d+: (.+)! From ([\d\.]+)?:?(\d+) to ([\d\.]+)?:?(\d+), proto (\S+) \(zone (\S+), int (\S.+)\). Occurred (\d+) times; \
classification.text=$1; \
id=4401; \
revision=1; \
analyzer(0).name=Netscreen; \
analyzer(0).manufacturer=Juniper Networks; \
analyzer(0).class=Firewall; \
assessment.impact.severity=medium; \
assessment.impact.completion=failed; \
assessment.impact.description=A $1 was seen $9 times coming from the $7 zone.; \
source(0).interface=$8; \
source(0).node.address(0).category=ipv4-addr; \
source(0).node.address(0).address=$2; \
source(0).service.port=$3; \
source(0).service.iana_protocol_name=$6; \
target(0).node.address(0).category=ipv4-addr; \
target(0).node.address(0).address=$4; \
target(0).service.port=$5; \
target(0).service.iana_protocol_name=$6; \
last