##### # # Copyright (C) 2005 G Ramon Gomez <gene at gomezbrothers dot com> # 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; see the file COPYING. If not, write to # the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. # ##### ##### # # The rules included here were developed using arpwatch-2.1a11-7.9.3. # Please report any inconsistencies on other versions to G Ramon Gomez at the # address provided above # ##### #LOG:Oct 14 00:47:50 hal arpwatch: new activity 12.34.56.78 0:20:a9:a:c:2a regex=new (station|activity) ([\d\.]+) ([\da-f:]+); \ classification.text=New ARP address detected; \ id=4200; \ revision=1; \ analyzer(0).name=arpwatch; \ analyzer(0).manufacturer=http://ee.lbl.gov; \ analyzer(0).class=NIDS; \ assessment.impact.severity=low; \ assessment.impact.completion=succeeded; \ assessment.impact.type=other; \ assessment.impact.description=This ethernet/ip address pair ($3/$2) is either new or has not been used recently.; \ source(0).node.address(0).category=ipv4-addr; \ source(0).node.address(0).address=$2; \ source(0).node.address(1).category=mac; \ source(0).node.address(1).address=$3; \ last; #LOG:Apr 21 23:05:00 192.168.1.35 arpwatch: flip flop 192.168.1.33 0:90:6d:f2:24:0 (8:0:20:c8:fe:15) regex=(flip flop|changed ethernet address|reused old ethernet address) ([\d\.]+) ([\da-f:]+) \(([\da-f:]+)\); \ classification.text=Ethernet address change detected; \ id=4201; \ revision=1; \ analyzer(0).name=arpwatch; \ analyzer(0).manufacturer=http://ee.lbl.gov; \ analyzer(0).class=NIDS; \ assessment.impact.severity=medium; \ assessment.impact.completion=succeeded; \ assessment.impact.type=other; \ assessment.impact.description=The ethernet address of $2 has changed from $3 to $4.; \ source(0).node.address(0).category=ipv4-addr; \ source(0).node.address(0).address=$2; \ source(0).node.address(1).category=mac; \ source(0).node.address(1).address=$3; \ source(0).node.address(2).category=mac; \ source(0).node.address(2).address=$4; \ last; #LOG:Apr 21 16:53:59 soledad arpwatch: ethernet broadcast 100.100.100.150 0:0:0:0:0:0 regex=(ethernet|ip) broadcast ([\d\.]+) ([\da-f:]+); \ classification.text=$1 broadcast address detected; \ id=4202; \ revision=1; \ analyzer(0).name=arpwatch; \ analyzer(0).manufacturer=http://ee.lbl.gov; \ analyzer(0).class=NIDS; \ assessment.impact.severity=medium; \ assessment.impact.completion=succeeded; \ assessment.impact.type=other; \ assessment.impact.description=The $1 address of this host is a broadcast address.; \ source(0).node.address(0).category=ipv4-addr; \ source(0).node.address(0).address=$2; \ source(0).node.address(1).category=mac; \ source(0).node.address(1).address=$3; \ last; #LOG:Nov 18 15:57:50 fw arpwatch: bogon 169.254.189.71 0:c:f1:16:87:d9 regex=bogon ([\d\.]+) ([\da-f:]+); \ classification.text=Bogus IP address detected; \ id=4203; \ revision=1; \ analyzer(0).name=arpwatch; \ analyzer(0).manufacturer=http://ee.lbl.gov; \ analyzer(0).class=NIDS; \ assessment.impact.severity=medium; \ assessment.impact.completion=succeeded; \ assessment.impact.type=other; \ assessment.impact.description=$1 is not local to the local subnet.; \ source(0).node.address(0).category=ipv4-addr; \ source(0).node.address(0).address=$1; \ source(0).node.address(1).category=mac; \ source(0).node.address(1).address=$2; \ last; #LOG:Feb 24 19:18:36 hal arpwatch: ethernet mismatch 195.215.178.10 0:4:c1:a7:f6:38 (0:50:4:40:c9:8f) regex=ethernet mismatch ([\d\.]+) ([\da-f:]+) \(([\da-f:]+)\); \ classification.text=MAC address mismatch detected; \ id=4204; \ revision=1; \ analyzer(0).name=arpwatch; \ analyzer(0).manufacturer=http://ee.lbl.gov; \ analyzer(0).class=NIDS; \ assessment.impact.severity=high; \ assessment.impact.completion=succeeded; \ assessment.impact.type=other; \ assessment.impact.description=The source mac ethernet address ($2) didn't match the address inside the arp packet ($3).; \ source(0).node.address(0).category=ipv4-addr; \ source(0).node.address(0).address=$1; \ source(0).node.address(1).category=mac; \ source(0).node.address(1).address=$2; \ source(0).node.address(2).category=mac; \ source(0).node.address(2).address=$3; \ last;