Re: preprocessor file_inspect does not capture file

[Lương Minh Tuấn <not.soledad () gmail com>]

your email make me confuse :D
thanks a billion tons YM!

On 12/2/2015 6:06 PM, Y M wrote:
> Awesome.
>
> Just to clarify, I'm not in the snort team, just another person on the 
> list, though, all credits goes to them.
>
> YM
>
> Sent from Mobile
>
>
>
>
> On Wed, Dec 2, 2015 at 3:03 AM -0800, "Lương Minh Tuấn" 
> <not.soledad () gmail com <mailto:not.soledad () gmail com>> wrote:
>
>
>     Thank snort team a thousand thousand tons, option '-k none' makes 
> snort works like a charm
>
>
> On 12/2/2015 5:10 PM, Y M wrote:
> > Hmm..just for testing purposes, calculate the sha256 hashes of the 
> > files, and add the hashes to the black list, and then re-run Snort.
> >
> > Another thing to try is to use "-k none" when running Snort to read 
> > the pcap.
> >
> > YM
> >
> > Sent from Mobile
> >
> > _____________________________
> > From: Lương Minh Tuấn <not.soledad () gmail com 
> > <mailto:not.soledad () gmail com>>
> > Sent: Wednesday, December 2, 2015 1:05 PM
> > Subject: Re: [Snort-users] preprocessor file_inspect does not capture 
> > file
> > To: Y M <snort () outlook com <mailto:snort () outlook com>>
> > Cc: <snort-users () lists sourceforge net 
> > <mailto:snort-users () lists sourceforge net>>
> >
> >
> >
> >     I tried many times, add, remove every options: type_id, signature 
> > to test if preprocessor can detect something but no luck, nothing in 
> > snort exit stat.
> >     The nearest test result with type_id, signature on:
> >     - configuration I tried:
> >     exactly like document:
> >
> > /preprocessor file_inspect: type_id, signature, \/ /
> > //                capture_disk /home/file_capture/tmp/, \/ /
> > //                capture_queue_size 5000/
> >
> >     - snort say that file_inspect maybe good:
> > /File config:/ /
> > //    file type: ENABLED/ /
> > //    file signature: ENABLED/ /
> > //    file capture: ENABLED/ /
> > //    file capture directory: /home/file_capture/tmp// /
> > //    file capture disk size: 300 (Default) megabytes/ /
> > //    file sent to host: DISABLED (Default), port number: 0/ /
> > //
> > //    File service: file type enabled./ /
> > //    File service: file signature enabled./ /
> > //    File service: file capture enabled./ /
> > //    File capture thread started tid=0x7f5add080700 (pid=20478)/
> >
> >     - After uploading, downloading a pdf, a pcap, and a zip file, 
> > exit stats are:
> > /   File Preprocessor Statistics/ /
> > //  Total file type callbacks:            0/ /
> > //  Total file signature callbacks:       0/ /
> > //  Total files would saved to disk:      0/ /
> > //  Total files saved to disk:            0/ /
> > //  Total file data saved to disk:        0 bytes/ /
> > //  Total files duplicated:               0/ /
> > //  Total files reserving failed:         0/ /
> > //  Total file capture min:               0/ /
> > //  Total file capture max:               0/ /
> > //  Total file capture memcap:            0/ /
> > //  Total files reading failed:           0/ /
> > //  Total file agent memcap failures:     0/ /
> > //  Total files sent:                     0/ /
> > //  Total file data sent:                 0/ /
> > //  Total file transfer failures:         0/ /
> > //===============================================================================/ 
> > /
> > //Files processed: none/ /
> > //===============================================================================/ 
> >
> >
> > Thanks
> > On 12/2/2015 4:26 PM, Y M wrote:
> >
> >     Do you have file type and file signature enabled? For instance, I
> >     don't see the type_id in the preprocessor configurations you posted.
> >
> >     Documentation says that capturing depends on type and signature
> >     being enabled, I.e: Unknown file types will not be captured.
> >
> >     YM
> >
> >     Sent from Mobile
> >
> >     _____________________________
> >     From: Lương Minh Tuấn < not.soledad () gmail com
> >     <mailto:not.soledad () gmail com>>
> >     Sent: Wednesday, December 2, 2015 11:09 AM
> >     Subject: Re: [Snort-users] preprocessor file_inspect does not
> >     capture file
> >     To: Y M < snort () outlook com <mailto:snort () outlook com>>
> >     Cc: < snort-users () lists sourceforge net
> >     <mailto:snort-users () lists sourceforge net>>
> >
> >
> >     Hi YM,
> >         file_captrue_min and file_capture_max is set with default
> >     value, 0 and 1GB. the path in capture_disk exist with full
> >     permission (I set to 777 for testing). README.file says that with
> >     block of config which I posted, snort can capture any file, but
> >     in my case, it does not work.
> >          I tried using signature in file_magic.conf to write a normal
> >     rule, snort detect ok, and with keyword tag, i can even capture
> >     all file in tcpdump.
> >
> >
> >
> >     On 12/2/2015 2:16 PM, Y M wrote:
> >
> >         I haven't played enough with the file_inspect preprocessor
> >         but what is the size of the file in relation to things like
> >         "file_capture_min", "file_capture_max"?
> >
> >         Also, does the path in "capture_disk" exist?
> >
> >         Finally, as far as I understand, only those files that have
> >         their hashes in the black or grey lists will be captured.
> >         Please anyone, correct me if I am wrong.
> >
> >         YM
> >
> >         Sent from Mobile
> >
> >         _____________________________
> >         From: Lương Minh Tuấn < not.soledad () gmail com
> >         <mailto:not.soledad () gmail com>>
> >         Sent: Wednesday, December 2, 2015 9:46 AM
> >         Subject: [Snort-users] preprocessor file_inspect does not
> >         capture file
> >         To: < snort-users () lists sourceforge net
> >         <mailto:snort-users () lists sourceforge net>>
> >
> >
> >         Hi everybody,
> >         I had problem when using file_inspect to capture file send over
> >         FTP. Please help me resolv. Here's my Snort info:
> >         - Server OS:
> >         $cat /etc/redhat-release
> >         CentOS Linux release 7.1.1503 (Core)
> >         - Snort version: 2.9.7.6, build options: --enable-file-inspect
> >         --enable-open-appid --enable-sourcefire
> >         - configuration file:
> >         exactly from snortrules-snapshot-2976.tar.gz, add file_inspect
> >         config as discuss in README.file:
> >         include file_magic.conf
> >         preprocessor file_inspect: signature, \
> >         capture_queue_size 5000, \
> >         capture_disk /home/file_capture/tmp/
> >
> >         Snort does not detect or process any file, here's my exit stat:
> >         File Preprocessor Statistics
> >         Total file type callbacks: 0
> >         Total file signature callbacks: 0
> >         Total files would saved to disk: 0
> >         Total files saved to disk: 0
> >         Total file data saved to disk: 0 bytes
> >         Total files duplicated: 0
> >         Total files reserving failed: 0
> >         Total file capture min: 0
> >         Total file capture max: 0
> >         Total file capture memcap: 0
> >         Total files reading failed: 0
> >         Total file agent memcap failures: 0
> >         Total files sent: 0
> >         Total file data sent: 0
> >         Total file transfer failures: 0
> >         ===============================================================================
> >
> >         Files processed: none
> >
> >         I tried to build snort v2.9.7.0, 2.9.6.2 and latest 2.9.8.0
> >         but no
> >         luck. Please help me!
> >
> >         Thanks and best regards!
> >         -- 
> >         Lương Minh Tuấn
> >         Email: not.soledad () gmail com <mailto:not.soledad () gmail com>
> >         Skype: minhtuan208
> >
> >
> >         ------------------------------------------------------------------------------
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Give your users amazing mobile app experiences with Intel(R) XDK.
Use one codebase in this all-in-one HTML5 development environment.
Design, debug & build mobile apps & 2D/3D high-impact games for multiple OSs.
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