Generated by : ../snort_rule_urlchecker version Thu Dec 1 22:06:24 PST 2005

Which may be found at http://www.grotto-group.com/~gulfie/projects... maybe


./snortrules-COMM-2.4/rules/community-sip.rules Fri Dec 2 01:26:26 2005
Filename : line Rules
./snortrules-COMM-2.4/rules/community-sip.rules : 1 # Copyright 2005 Sourcefire, Inc. All Rights Reserved.
./snortrules-COMM-2.4/rules/community-sip.rules : 2 # These rules are licensed under the GNU General Public License.
./snortrules-COMM-2.4/rules/community-sip.rules : 3 # Please see the file LICENSE in this directory for more details.
./snortrules-COMM-2.4/rules/community-sip.rules : 4 # $Id: community-sip.rules,v 1.2 2005/09/26 15:01:12 akirk Exp $
./snortrules-COMM-2.4/rules/community-sip.rules : 5
./snortrules-COMM-2.4/rules/community-sip.rules : 6 #Rules submitted by Jiri Markl
./snortrules-COMM-2.4/rules/community-sip.rules : 7 #Rule for alerting of INVITE flood attack:
./snortrules-COMM-2.4/rules/community-sip.rules : 8 alert ip any any -> any 5060 (msg:"COMMUNITY SIP INVITE message flooding"; content:"INVITE"; depth:6; threshold: type both, track by_src, count 100, seconds 60; sid:100000158; rev:1;)
./snortrules-COMM-2.4/rules/community-sip.rules : 9 #Rule for alerting of REGISTER flood attack:
./snortrules-COMM-2.4/rules/community-sip.rules : 10 alert ip any any -> any 5060 (msg:"COMMUNITY SIP REGISTER message flooding"; content:"REGISTER"; depth:8; threshold: type both, track by_src, count 100, seconds 60; sid:100000159; rev:1;)
./snortrules-COMM-2.4/rules/community-sip.rules : 11 #Rule for alerting common TCP/UDP flood attack:
./snortrules-COMM-2.4/rules/community-sip.rules : 12 alert ip any any -> any 5060 (msg:"COMMUNITY SIP TCP/IP message flooding directed to SIP proxy"; threshold: type both, track by_src, count 300, seconds 60; sid:100000160; rev:1;)
./snortrules-COMM-2.4/rules/community-sip.rules : 13 #Rule for alerting attack using unresolvable DNS names:
./snortrules-COMM-2.4/rules/community-sip.rules : 14 alert udp $DNS_SERVERS 53 -> any any (msg:"COMMUNITY SIP DNS No such name treshold - Abnormaly high count of No such name responses"; content:"|83|"; offset:3; depth:1; threshold: type both, track by_dst, count 100, seconds 60; sid:100000161; rev:1;)
./snortrules-COMM-2.4/rules/community-sip.rules : 15 #Threshold rule for unauthorized responses:
./snortrules-COMM-2.4/rules/community-sip.rules : 16 alert ip any any -> any 5060 (msg:"COMMUNITY SIP 401 Unauthorized Flood"; content:"SIP/2.0 401 Unauthorized"; depth:24; threshold: type both, track by_src, count 100, seconds 60; sid:100000162; rev:1;)
./snortrules-COMM-2.4/rules/community-sip.rules : 17 alert ip any any -> any 5060 (msg:"COMMUNITY SIP 407 Proxy Authentication Required Flood"; content:"SIP/2.0 407 Proxy Authentication Required"; depth:42; threshold: type both, track by_src, count 100, seconds 60; sid:100000163; rev:1;)