Snort mailing list archives

Re: Duplicate rules & rule parser


From: Anshuman Anil Deshmukh <anshuman () cybage com>
Date: Fri, 25 Oct 2013 05:15:15 +0000

Hi,



I did the changes as suggested by you, but still pulledpork is not able to remove the duplicate rules. How do I remove 
these duplicate rules?



My changed pulledpork.conf as per your suggestion: http://pastebin.com/VYhZFqsC

My pulledpork command: sudo perl pulledpork.pl -c /etc/pulledpork070/pulledpork-0.7.0/etc/pulledpork.conf -m 
/etc/snort/sid-msg.map -I balanced -P -vv



Note: I do change the rule state from balanced to security and also sometimes to connectivity as this is my setup 
setup. This problem exists even before evaluating the rule states.



Errors received-

WARNING: /etc/snort/preproc_rules/preprocessor.rules(2) GID 105 SID 1 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /etc/snort/preproc_rules/preprocessor.rules(3) GID 105 SID 2 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /etc/snort/preproc_rules/preprocessor.rules(4) GID 105 SID 3 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /etc/snort/preproc_rules/preprocessor.rules(5) GID 105 SID 4 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/chat.rules(2) GID 3 SID 14263 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/dos.rules(5) GID 3 SID 15851 in rule duplicates previous rule. Ignoring old rule.

WARNING: /usr/local/etc/snort/so_rules/dos.rules(8) GID 3 SID 15148 in rule duplicates previous rule. Ignoring old rule.

WARNING: /usr/local/etc/snort/so_rules/dos.rules(17) GID 3 SID 15959 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/dos.rules(20) GID 3 SID 15522 in rule duplicates previous rule. Ignoring old 
rule.



WARNING: /usr/local/etc/snort/so_rules/exploit.rules(2) GID 3 SID 13897 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/exploit.rules(3) GID 3 SID 17663 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/exploit.rules(8) GID 3 SID 15456 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/exploit.rules(9) GID 3 SID 15974 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/exploit.rules(10) GID 3 SID 16150 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/exploit.rules(11) GID 3 SID 16179 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/exploit.rules(12) GID 3 SID 16182 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/exploit.rules(14) GID 3 SID 16337 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/exploit.rules(16) GID 3 SID 16505 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/exploit.rules(22) GID 3 SID 17118 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/exploit.rules(23) GID 3 SID 18064 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/exploit.rules(24) GID 3 SID 18180 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/exploit.rules(33) GID 3 SID 26972 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/exploit.rules(37) GID 3 SID 15700 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/exploit.rules(41) GID 3 SID 14251 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/exploit.rules(42) GID 3 SID 15848 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/exploit.rules(43) GID 3 SID 15968 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/exploit.rules(46) GID 3 SID 21619 in rule duplicates previous rule. Ignoring old 
rule.

/usr/local/etc/snort/so_rules/exploit.rules(47) GID 3 SID 17741 duplicates previous rule. Using SO rule..

WARNING: /usr/local/etc/snort/so_rules/exploit.rules(48) GID 3 SID 17696 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/multimedia.rules(2) GID 3 SID 17300 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/multimedia.rules(3) GID 3 SID 14252 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/multimedia.rules(4) GID 3 SID 14253 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/multimedia.rules(5) GID 3 SID 14254 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/netbios.rules(2) GID 3 SID 15528 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/netbios.rules(3) GID 3 SID 16395 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/netbios.rules(12) GID 3 SID 16396 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/smtp.rules(4) GID 3 SID 15329 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/snmp.rules(2) GID 3 SID 17632 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/specific-threats.rules(2) GID 3 SID 18213 in rule duplicates previous rule. 
Ignoring old rule.

WARNING: /usr/local/etc/snort/so_rules/specific-threats.rules(3) GID 3 SID 18400 in rule duplicates previous rule. 
Ignoring old rule.



WARNING: /usr/local/etc/snort/so_rules/specific-threats.rules(4) GID 3 SID 18405 in rule duplicates previous rule. 
Ignoring old rule.

WARNING: /usr/local/etc/snort/so_rules/specific-threats.rules(5) GID 3 SID 18409 in rule duplicates previous rule. 
Ignoring old rule.

WARNING: /usr/local/etc/snort/so_rules/specific-threats.rules(6) GID 3 SID 18410 in rule duplicates previous rule. 
Ignoring old rule.



WARNING: /usr/local/etc/snort/so_rules/specific-threats.rules(7) GID 3 SID 18411 in rule duplicates previous rule. 
Ignoring old rule.

WARNING: /usr/local/etc/snort/so_rules/specific-threats.rules(8) GID 3 SID 18412 in rule duplicates previous rule. 
Ignoring old rule.

WARNING: /usr/local/etc/snort/so_rules/specific-threats.rules(9) GID 3 SID 18421 in rule duplicates previous rule. 
Ignoring old rule.

WARNING: /usr/local/etc/snort/so_rules/specific-threats.rules(12) GID 3 SID 18501 in rule duplicates previous rule. 
Ignoring old rule.

WARNING: /usr/local/etc/snort/so_rules/specific-threats.rules(13) GID 3 SID 18502 in rule duplicates previous rule. 
Ignoring old rule.

WARNING: /usr/local/etc/snort/so_rules/specific-threats.rules(14) GID 3 SID 18504 in rule duplicates previous rule. 
Ignoring old rule.

WARNING: /usr/local/etc/snort/so_rules/specific-threats.rules(15) GID 3 SID 18505 in rule duplicates previous rule. 
Ignoring old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(3) GID 3 SID 16370 in rule duplicates previous rule. Ignoring 
old rule.

/usr/local/etc/snort/so_rules/web-client.rules(5) GID 3 SID 13975 duplicates previous rule. Using SO rule..

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(7) GID 3 SID 13977 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(10) GID 3 SID 15503 in rule duplicates previous rule. Ignoring 
old rule.



WARNING: /usr/local/etc/snort/so_rules/web-client.rules(12) GID 3 SID 16156 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(13) GID 3 SID 16158 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(14) GID 3 SID 16228 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(15) GID 3 SID 16320 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(16) GID 3 SID 16658 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(18) GID 3 SID 17199 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(19) GID 3 SID 17201 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(30) GID 3 SID 17765 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(31) GID 3 SID 17762 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(32) GID 3 SID 18063 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(34) GID 3 SID 18673 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(35) GID 3 SID 21352 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(38) GID 3 SID 13879 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(46) GID 3 SID 13969 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(51) GID 3 SID 13954 in rule duplicates previous rule. Ignoring 
old rule.



/usr/local/etc/snort/so_rules/web-client.rules(52) GID 3 SID 15117 duplicates previous rule. Using SO rule..

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(53) GID 3 SID 14260 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(55) GID 3 SID 15125 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(56) GID 3 SID 15300 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(57) GID 3 SID 15498 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(58) GID 3 SID 15454 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(60) GID 3 SID 15465 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(62) GID 3 SID 15521 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(63) GID 3 SID 15520 in rule duplicates previous rule. Ignoring 
old rule.

/usr/local/etc/snort/so_rules/web-client.rules(65) GID 3 SID 15857 duplicates previous rule. Using SO rule..

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(66) GID 3 SID 16230 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(67) GID 3 SID 15920 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(68) GID 3 SID 17242 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(69) GID 3 SID 16415 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(70) GID 3 SID 16530 in rule duplicates previous rule. Ignoring 
old rule.



WARNING: /usr/local/etc/snort/so_rules/web-client.rules(71) GID 3 SID 14772 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(72) GID 3 SID 16343 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(73) GID 3 SID 23180 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(74) GID 3 SID 17665 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(75) GID 3 SID 15975 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(76) GID 3 SID 15976 in rule duplicates previous rule. Ignoring 
old rule.

/usr/local/etc/snort/so_rules/web-client.rules(78) GID 3 SID 17700 duplicates previous rule. Using SO rule..

WARNING: /usr/local/etc/snort/so_rules/web-client.rules(80) GID 3 SID 15433 in rule duplicates previous rule. Ignoring 
old rule.

WARNING: /usr/local/etc/snort/so_rules/web-misc.rules(3) GID 3 SID 15470 in rule duplicates previous rule. Ignoring old 
rule.

WARNING: /usr/local/etc/snort/so_rules/web-misc.rules(7) GID 3 SID 23182 in rule duplicates previous rule. Ignoring old 
rule.



Thanks and Regards,

Anshuman



-----Original Message-----

From: Anshuman Anil Deshmukh [mailto:anshuman () cybage com]

Sent: Thursday, October 24, 2013 8:03 AM

To: snort-users () lists sourceforge net

Subject: Re: [Snort-users] Duplicate rules & rule parser



Also request you to see my comments/questions inline for the oddities and let me know your views on it.





Thanks and Regards,

Anshuman





Regards,

Anshuman Anil Deshmukh // Information Security-Analyst

Phone: 91-20-66041700, 91-20-66044700 (Extn. 6114)

Cell: 91-99230-51641



-----Original Message-----

From: JJ Cummings [mailto:cummingsj () gmail com]

Sent: Thursday, October 24, 2013 7:47 AM

To: Anshuman Anil Deshmukh

Cc: snort-users () lists sourceforge net

Subject: Re: [Snort-users] Duplicate rules & rule parser



Pulledpork is a working parser, when used correctly.



Sent from the iRoad



On Oct 23, 2013, at 12:41, Anshuman Anil Deshmukh

<anshuman () cybage com>

wrote:



Hi,



I am still hunting for a rule parser, does anyone have a working rule

parser? Also request you to see my comments/questions inline for the oddities.





Thanks and Regards,

Anshuman



-----Original Message-----

From: Peter Bates [mailto:peter.bates () ucl ac uk]

Sent: Tuesday, October 22, 2013 7:22 PM

To: snort-users () lists sourceforge net

Subject: Re: [Snort-users] Duplicate rules & rule parser



-----BEGIN PGP SIGNED MESSAGE-----

Hash: SHA1





Hello all



On 22/10/2013 14:14, Anshuman Anil Deshmukh wrote:

Since last week I am observing that I have duplicate copies of many

rules

in my rule file. I am using pulledpork version 0.70 and hence all the rules are merged into a single file. How do we 
remove all the duplicate rules? Any rule parser that can be used or anybody having a script for that?



My pulledpork configuration - http://pastebin.com/E4Z368rx



Oddities I can see:



1) You've defined a reg-rules rule_url and the community-rules.

[Anshuman] Yes, I am a registered user. So in that case do you mean to

say

that both community & registered user rules doesn't work together and hence rather than using both of them, either one 
of them should be used?



2) You've put a fixed Snort version (2.9.5.0) into the reg-rules

rule_url [Anshuman] I request you to kindly send me the correct URL

meant for registered users



3) You've set snort_version to 2.9.5.0 - as long as Pulledpork can

find

the binary, you should let it work it out for itself.

[Anshuman] No further queries on this



- --

Peter Bates

Senior Information Security Officer   Phone: +44(0)2076792049

Information Services Division          Internal Ext: 32049

University College London

London WC1E 6BT

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