[Bro] surgical file extraction

[Brandon Glaze]

Seth,
Thanks, but I have pulled up quite a few other examples and dont see where
I am missing a semi-colon. I am wondering if its because I am running 32+
worker nodes and the script isnt built correctly to utilize the clustering
(shot in the dark). Here is my script as I have it now. I was thinking I
may want to move it to use a URL instead of the IP, especially if I start
finding CnC comms to load balancer sites:

global mime_to_ext: table[string] of string = {
        ["text/plain"] = "txt",
        ["text/html"] = "html",
};
event file_sniff(f: fa_file, meta: fa_metadata)
{
for ( cid in f$conns )
        {
        if ( f$conns[cid]$id$resp_h != 123.123.123.123 )
        return;

        if ( f$source != "HTTP" )
        return;

        if ( ! meta?$mime_type )
        return;

        if ( meta$mime_type !in mime_to_ext )
        return;

        local fname = fmt("%s-%s.%s", f$source, f$id,
mime_to_ext[meta$mime_type]);
        print fmt("Extracting file %s", fname);
        Files::add_analyzer(f, Files::ANALYZER_EXTRACT,
[$extract_filename=fname]);
}


=====================
Brandon Glaze
bglaze at gmail.com

"Lead me, follow me, or get the hell out of my way."
- General George Patton Jr


On Tue, Dec 1, 2015 at 9:28 PM, Seth Hall <seth at icir.org> wrote:

>
> > On Nov 30, 2015, at 7:14 PM, Brandon Glaze <bglaze at gmail.com> wrote:
> >
> > I validated that if I comment out my @load line for the new file
> extraction script this error goes away in a "broctl check" check.
>
> You may be missing a semi-colon somewhere near the end of your script.
> Bro’s error reporting will accidentally report the problem on the first
> line of the next script in this case on accident.
>
>   .Seth
>
> --
> Seth Hall
> International Computer Science Institute
> (Bro) because everyone has a network
> http://www.bro.org/
>
>
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