[Oisf-users] filestore version 2
Carl Rotenan
carlrotenan at gmail.com
Tue Aug 21 20:57:20 UTC 2018
I'm getting the same behavior even if I created a Magic file that only
knows about PDF files.
I'm seeing this behavior on both stable and the RC version.
alert http any any -> any any (msg:"FILE store all"; filemagic:"PDF";
filestore; sid:1; rev:1;)
If I do just a filestore all files are extracted.
On Mon, Aug 20, 2018 at 8:17 PM, Peter Manev <petermanev at gmail.com> wrote:
> On Thu, Aug 16, 2018 at 11:10 AM Carl Rotenan <carlrotenan at gmail.com>
> wrote:
> >
> > It appears that if the HTTP info (URI, HOST, REFERER, USER AGENT) aren't
> known the file gets stored.
> >
> > The info below comes from the file meta data files that are created for
> each capture.
> >
> > foo.cap
> >
> > magic: HTML document, UTF-8 Unicode text, with very long
> lines, with CRLF, LF line terminators
> > app proto: http
> > http uri: <unknown>
> > http host: <unknown>
> > http referer: <unknown>
> > http user agent: <unknown>
> >
> > magic: PDF document, version 1.4
> > app proto: http
> > http uri: /files/documents/2018/03/12/dor-2017-inc-sch-hc.pdf
> > http host: www.mass.gov
> > http referer: https://www.mass.gov/lists/
> 2017-massachusetts-personal-income-tax-forms-and-instructions
> > http user agent: Mozilla/5.0 (Windows NT 6.1; Trident/7.0; rv:11.0)
> like Gecko
> >
> > magic: HTML document, ASCII text, with very long lines, with
> CRLF, LF line terminators
> > app proto: http
> > http uri: <unknown>
> > http host: <unknown>
> > http referer: <unknown>
> > http user agent: <unknown>
> >
> > magic: JPEG image data, JFIF standard 1.01
> > app proto: http
> > http uri: <unknown>
> > http host: <unknown>
> > http referer: <unknown>
> > http user agent: <unknown>
> >
> > magic: PDF document, version 1.6
> > app proto: http
> > http uri: /files/documents/2018/02/07/dor-2017-inc-sch-xy.pdf
> > http host: www.mass.gov
> > http referer: https://www.mass.gov/lists/
> 2017-massachusetts-personal-income-tax-forms-and-instructions
> > http user agent: Mozilla/5.0 (Windows NT 6.1; Trident/7.0; rv:11.0)
> like Gecko
> >
> > magic: HTML document, ASCII text, with very long lines, with
> CRLF, LF line terminators
> > app proto: http
> > http uri: <unknown>
> > http host: <unknown>
> > http referer: <unknown>
> > http user agent: <unknown>
> >
> > magic: JPEG image data, JFIF standard 1.01
> > app proto: http
> > http uri: <unknown>
> > http host: <unknown>
> > http referer: <unknown>
> > http user agent: <unknown>
> >
> > magic: HTML document, ASCII text, with very long lines
> > app proto: http
> > http uri: <unknown>
> > http host: <unknown>
> > http referer: <unknown>
> > http user agent: <unknown>
> >
> > magic: HTML document, ASCII text, with very long lines
> > app proto: http
> > http uri: <unknown>
> > http host: <unknown>
> > http referer: <unknown>
> > http user agent: <unknown>
> >
> > magic: UTF-8 Unicode text, with very long lines
> > app proto: http
> > http uri: <unknown>
> > http host: <unknown>
> > http referer: <unknown>
> > http user agent: <unknown>
> >
> >
> > boo.cap
> >
> >
> > magic: PNG image data, 3996 x 80, 8-bit colormap,
> non-interlaced
> > app proto: http
> > http uri: <unknown>
> > http host: <unknown>
> > http referer: <unknown>
> > http user agent: <unknown>
> >
> > magic: PNG image data, 492 x 400, 8-bit/color RGB,
> non-interlaced
> > app proto: http
> > http uri: <unknown>
> > http host: <unknown>
> > http referer: <unknown>
> > http user agent: <unknown>
> >
> > magic: HTML document, UTF-8 Unicode text, with very long
> lines, with no line terminators
> > app proto: http
> > http uri: <unknown>
> > http host: <unknown>
> > http referer: <unknown>
> > http user agent: <unknown>
> >
> > magic: data
> > app proto: http
> > http uri: <unknown>
> > http host: <unknown>
> > http referer: <unknown>
> > http user agent: <unknown>
> >
> > magic: PNG image data, 310 x 440, 8-bit colormap,
> non-interlaced
> > app proto: http
> > http uri: <unknown>
> > http host: <unknown>
> > http referer: <unknown>
> > http user agent: <unknown>
> >
> > magic: ASCII text, with very long lines
> > app proto: http
> > http uri: <unknown>
> > http host: <unknown>
> > http referer: <unknown>
> > http user agent: <unknown>
> >
> > magic: ASCII text, with very long lines
> > app proto: http
> > http uri: <unknown>
> > http host: <unknown>
> > http referer: <unknown>
> > http user agent: <unknown>
> >
> > magic: PNG image data, 320 x 198, 8-bit colormap,
> non-interlaced
> > app proto: http
> > http uri: <unknown>
> > http host: <unknown>
> > http referer: <unknown>
> > http user agent: <unknown>
> >
> > magic: PDF document, version 1.4
> > app proto: http
> > http uri: /archive3/GflUt00Q30KF03YzCLl43rm2po76/
> D3400UM_SG(En)02.pdf
> > http host: download.nikonimglib.com
> > http referer: http://downloadcenter.nikonimglib.com/en/products/
> 330/D3400.html
> > http user agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36
> (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36
> >
> > magic: PDF document, version 1.3
> > app proto: http
> > http uri: /biassets/bi/4128311.pdf
> > http host: www.lego.com
> > http referer: <unknown>
> > http user agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36
> (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36
> >
> > magic: PDF document, version 1.3
> > app proto: http
> > http uri: /biassets/bi/4128312.pdf
> > http host: www.lego.com
> > http referer: <unknown>
> > http user agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36
> (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36
> >
> > magic: JPEG image data, EXIF standard
> > app proto: http
> > http uri: <unknown>
> > http host: <unknown>
> > http referer: <unknown>
> > http user agent: <unknown>
> >
> > magic: PDF document, version 1.3
> > app proto: http
> > http uri: /biassets/bi/4132659.pdf
> > http host: www.lego.com
> > http referer: <unknown>
> > http user agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36
> (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36
> >
> > magic: UTF-8 Unicode text, with very long lines, with no line
> terminators
> > app proto: http
> > http uri: <unknown>
> > http host: <unknown>
> > http referer: <unknown>
> > http user agent: <unknown>
> >
> >
>
>
> I tried the latest gitmaster with filestore v2 - I observed the
> following - if you could confirm on your set up please as well with
> 4.1.0-rc1.
> If i use
> alert http any any -> any any (msg:"FILE magic"; filemagic:"PDF";
> filestore; sid:0; rev:1;)
> I get results like you with the pcap provided foo.pcap (partial html
> files present in the download)
>
> If i use
> alert http any any -> any any (msg:"FILE magic"; filemagic:"PDF
> document"; filestore; sid:0; rev:1;)
> The only diff is filemagic:"PDF document" - i get 0 alerts and 0
> partial or full files stored.
>
> Thank you
>
> --
> Regards,
> Peter Manev
>
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