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Network Security Snort-Signatures
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Re: [Snort-sigs] False Positive - WEB-PHP modules.php access

Subject: Re: [Snort-sigs] False Positive - WEB-PHP modules.php access
Date: Tue, 6 Sep 2005 08:20:17 -0600
Sorry for the message.  I replied to the wrong one.

Roger

On Sep 6, 2005, at 8:22 AM, BassPlayer wrote:

Thanks. Instead of turning off the rule I've rewrote guardian to ignore a
user defined list of sids.



Jason Brvenik wrote:
> That is not a false positive. It is a positive positive for modules.php.
> You could call it a non-contextual but given that you are running
> PostNuke and it is in fact access to modules.php I wouldn't even say
> that it is a non contextual.
>
> You should tune the rule out for this specific purpose or turn it off if
> you are confident modules.php has no issues that you are concerned about.
>
>
>
> BassPlayer wrote:
>> If I'm not reporting this in the right way please educate me.
>>
>> Rule:   WEB-PHP modules.php access
>>
>> --
>> Sid:          1:2565
>>
>> --
>> False Positives:
>>
>> This rule seems to be generating false positives when users are
>> accessing
>> my galllery that is embedded in postnuke. It seems to be reproducable.
>>
>> Generated by BASE v1.1.4 (cheryl) on Fri, 02 Sep 2005 08:09:12 -0700
>>
>> ----------------------------------------------------------------------- -------
>> #(1 - 13) [2005-09-01 11:01:01] [bugtraq/9879] [snort/2565]  WEB-PHP
>> modules.php access
>> IPv4: 195.62.133.175 -> 209.237.15.226
>>       hlen=5 TOS=0 dlen=579 ID=41673 flags=0 offset=0 TTL=47
>> chksum=31790
>> TCP:  port=53837 -> dport: 80  flags=***AP*** seq=1400044823
>>       ack=4078808928 off=8 res=0 win=16022 urp=0 chksum=33820
>>       Options:
>>        #1 - NOP len=0
>>        #2 - NOP len=0
>>        #3 - TS len=8 data=77D38379020697EE
>> Payload:  length = 527
>>
>> 000 : 47 45 54 20 2F 6D 6F 64 75 6C 65 73 2E 70 68 70   GET /modules.php
>> 010 : 3F 6F 70 3D 6D 6F 64 6C 6F 61 64 26 6E 61 6D 65   ?op=modload&name
>> 020 : 3D 67 61 6C 6C 65 72 79 26 66 69 6C 65 3D 69 6E   =gallery&file=in
>> 030 : 64 65 78 20 48 54 54 50 2F 31 2E 30 0D 0A 41 63   dex HTTP/1.0..Ac
>> 040 : 63 65 70 74 3A 20 69 6D 61 67 65 2F 67 69 66 2C   cept: image/gif,
>> 050 : 20 69 6D 61 67 65 2F 78 2D 78 62 69 74 6D 61 70    image/x-xbitmap
>> 060 : 2C 20 69 6D 61 67 65 2F 6A 70 65 67 2C 20 69 6D   , image/jpeg, im
>> 070 : 61 67 65 2F 70 6A 70 65 67 2C 20 61 70 70 6C 69   age/pjpeg, appli
>> 080 : 63 61 74 69 6F 6E 2F 78 2D 73 68 6F 63 6B 77 61   cation/x-shockwa
>> 090 : 76 65 2D 66 6C 61 73 68 2C 20 61 70 70 6C 69 63   ve-flash, applic
>> 0a0 : 61 74 69 6F 6E 2F 78 2D 67 73 61 72 63 61 64 65   ation/x-gsarcade
>> 0b0 : 2D 6C 61 75 6E 63 68 2C 20 2A 2F 2A 0D 0A 52 65   -launch, */*..Re
>> 0c0 : 66 65 72 65 72 3A 20 68 74 74 70 3A 2F 2F 77 77   ferer: http://ww
>> 0d0 : 77 2E 6D 65 6B 68 71 2E 63 6F 6D 2F 0D 0A 41 63   w.mekhq.com/..Ac
>> 0e0 : 63 65 70 74 2D 4C 61 6E 67 75 61 67 65 3A 20 72   cept-Language: r
>> 0f0 : 75 0D 0A 55 73 65 72 2D 41 67 65 6E 74 3A 20 4D   u..User-Agent: M
>> 100 : 6F 7A 69 6C 6C 61 2F 34 2E 30 20 28 63 6F 6D 70   ozilla/4.0 (comp
>> 110 : 61 74 69 62 6C 65 3B 20 4D 53 49 45 20 36 2E 30   atible; MSIE 6.0
>> 120 : 3B 20 57 69 6E 64 6F 77 73 20 4E 54 20 35 2E 31   ; Windows NT 5.1
>> 130 : 3B 20 53 56 31 29 0D 0A 48 6F 73 74 3A 20 77 77   ; SV1)..Host: ww
>> 140 : 77 2E 6D 65 6B 68 71 2E 63 6F 6D 0D 0A 43 6F 6F   w.mekhq.com..Coo
>> 150 : 6B 69 65 3A 20 50 4F 53 54 4E 55 4B 45 53 49 44   kie: POSTNUKESID
>> 160 : 3D 63 31 36 64 37 31 30 63 65 64 33 61 65 35 32   =c16d710ced3ae52
>> 170 : 38 31 32 37 36 33 31 65 35 65 62 61 63 37 34 63   8127631e5ebac74c
>> 180 : 38 0D 0A 56 69 61 3A 20 31 2E 30 20 70 72 6F 78   8..Via: 1.0 prox
>> 190 : 79 2E 67 72 61 76 69 73 6E 65 74 2E 6C 76 3A 38   y.gravisnet.lv:8
>> 1a0 : 30 20 28 73 71 75 69 64 2F 32 2E 35 2E 53 54 41   0 (squid/2.5.STA
>> 1b0 : 42 4C 45 37 29 0D 0A 58 2D 46 6F 72 77 61 72 64   BLE7)..X-Forward
>> 1c0 : 65 64 2D 46 6F 72 3A 20 38 30 2E 39 30 2E 31 36   ed-For: 80.90.16
>> 1d0 : 2E 31 38 37 0D 0A 43 61 63 68 65 2D 43 6F 6E 74   .187..Cache-Cont
>> 1e0 : 72 6F 6C 3A 20 6D 61 78 2D 61 67 65 3D 32 35 39   rol: max-age=259
>> 1f0 : 32 30 30 0D 0A 43 6F 6E 6E 65 63 74 69 6F 6E 3A   200..Connection:
>> 200 : 20 6B 65 65 70 2D 61 6C 69 76 65 0D 0A 0D 0A       keep-alive....
>>
>>
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