# Copyright 2001-2005 Sourcefire, Inc. All Rights Reserved## This file may contain proprietary rules that were created, tested and# certified by Sourcefire, Inc. (the "VRT Certified Rules") as well as# rules that were created by Sourcefire and other third parties and# distributed under the GNU General Public License (the "GPL Rules").  The# VRT Certified Rules contained in this file are the property of# Sourcefire, Inc. Copyright 2005 Sourcefire, Inc. All Rights Reserved.# The GPL Rules created by Sourcefire, Inc. are the property of# Sourcefire, Inc. Copyright 2002-2005 Sourcefire, Inc. All Rights# Reserved.  All other GPL Rules are owned and copyrighted by their# respective owners (please see www.snort.org/contributors for a list of# owners and their respective copyrights).  In order to determine what# rules are VRT Certified Rules or GPL Rules, please refer to the VRT# Certified Rules License Agreement.### $Id: icmp-info.rules,v 1.28.6.4 2008/03/07 20:53:41 vrtbuild Exp $#--------------# ICMP-INFO#--------------## Description:# These rules are standard ICMP traffic.  They include OS pings, as well# as normal routing done by ICMP.  There are a number of "catch all" rules# that will alert on unknown ICMP types.## Potentially "BAD" ICMP rules are included in icmp.rulesalert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP IRDP router advertisement"; itype:9; reference:arachnids,173; reference:bugtraq,578; reference:cve,1999-0875; classtype:misc-activity; sid:363; rev:7;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP IRDP router selection"; itype:10; reference:arachnids,174; reference:bugtraq,578; reference:cve,1999-0875; classtype:misc-activity; sid:364; rev:7;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP PING *NIX"; itype:8; content:"|10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F|"; depth:32; classtype:misc-activity; sid:366; rev:7;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP PING BSDtype"; itype:8; content:"|08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 16 17|"; depth:32; reference:arachnids,152; classtype:misc-activity; sid:368; rev:6;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP PING BayRS Router"; itype:8; content:"|01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F|"; depth:32; reference:arachnids,438; reference:arachnids,444; classtype:misc-activity; sid:369; rev:6;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP PING BeOS4.x"; itype:8; content:"|00 00 00 00 00 00 00 00 00 00 00 00 08 09 0A 0B|"; depth:32; reference:arachnids,151; classtype:misc-activity; sid:370; rev:7;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP PING Cisco Type.x"; itype:8; content:"|AB CD AB CD AB CD AB CD AB CD AB CD AB CD AB CD|"; depth:32; reference:arachnids,153; classtype:misc-activity; sid:371; rev:7;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP PING Delphi-Piette Windows"; itype:8; content:"Pinging from Del"; depth:32; reference:arachnids,155; classtype:misc-activity; sid:372; rev:7;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP PING Flowpoint2200 or Network Management Software"; itype:8; content:"|01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10|"; depth:32; reference:arachnids,156; classtype:misc-activity; sid:373; rev:6;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP PING IP NetMonitor Macintosh"; itype:8; content:"|A9| Sustainable So"; depth:32; reference:arachnids,157; classtype:misc-activity; sid:374; rev:7;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP PING LINUX/*BSD"; dsize:8; id:13170; itype:8; reference:arachnids,447; classtype:misc-activity; sid:375; rev:6;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP PING Microsoft Windows"; itype:8; content:"0123456789abcdefghijklmnop"; depth:32; reference:arachnids,159; classtype:misc-activity; sid:376; rev:7;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP PING Network Toolbox 3 Windows"; itype:8; content:"================"; depth:32; reference:arachnids,161; classtype:misc-activity; sid:377; rev:7;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP PING Ping-O-MeterWindows"; itype:8; content:"OMeterObeseArmad"; depth:32; reference:arachnids,164; classtype:misc-activity; sid:378; rev:7;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP PING Pinger Windows"; itype:8; content:"Data|00 00 00 00 00 00 00 00 00 00 00 00|"; depth:32; reference:arachnids,163; classtype:misc-activity; sid:379; rev:7;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP PING Seer Windows"; itype:8; content:"|88 04|              "; depth:32; reference:arachnids,166; classtype:misc-activity; sid:380; rev:7;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP PING Sun Solaris"; dsize:8; itype:8; reference:arachnids,448; classtype:misc-activity; sid:381; rev:6;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP PING Windows"; itype:8; content:"abcdefghijklmnop"; depth:16; reference:arachnids,169; classtype:misc-activity; sid:382; rev:7;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP traceroute"; itype:8; ttl:1; reference:arachnids,118; classtype:attempted-recon; sid:385; rev:4;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP PING"; icode:0; itype:8; classtype:misc-activity; sid:384; rev:5;)alert icmp $HOME_NET any -> $EXTERNAL_NET any (msg:"ICMP Address Mask Reply"; icode:0; itype:18; classtype:misc-activity; sid:386; rev:5;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP Address Mask Reply undefined code"; icode:>0; itype:18; classtype:misc-activity; sid:387; rev:7;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP Address Mask Request"; icode:0; itype:17; classtype:misc-activity; sid:388; rev:5;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP Address Mask Request undefined code"; icode:>0; itype:17; classtype:misc-activity; sid:389; rev:7;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP Alternate Host Address"; icode:0; itype:6; classtype:misc-activity; sid:390; rev:5;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP Alternate Host Address undefined code"; icode:>0; itype:6; classtype:misc-activity; sid:391; rev:8;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP Datagram Conversion Error"; icode:0; itype:31; classtype:misc-activity; sid:392; rev:5;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP Datagram Conversion Error undefined code"; icode:>0; itype:31; classtype:misc-activity; sid:393; rev:8;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP Destination Unreachable Destination Host Unknown"; icode:7; itype:3; classtype:misc-activity; sid:394; rev:6;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP Destination Unreachable Destination Network Unknown"; icode:6; itype:3; classtype:misc-activity; sid:395; rev:6;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP Destination Unreachable Fragmentation Needed and DF bit was set"; icode:4; itype:3; reference:cve,2004-0790; reference:cve,2005-0068; classtype:misc-activity; sid:396; rev:7;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP Destination Unreachable Host Precedence Violation"; icode:14; itype:3; classtype:misc-activity; sid:397; rev:6;)alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP Destination Unreachable Host Unreachable for Type of Service"; icode:12; itype:3; classtype:misc-activity; sid:398; rev:6;)