Snort mailing list archives

Re: test string not alerting


From: <snort () outlook com>
Date: Thu, 27 Aug 2015 20:38:13 +0000

While you are at it, may I also suggest visiting the http content modifiers? They allow You to specify where exactly in 
the response to look for your content; headers, body, etc.
This can help ease debugging.
Also, is the Snort VM NIC setup to be promiscuous and on the same vSwitch you are monitoring?
Sent from Mobile

Sent from Mobile




On Thu, Aug 27, 2015 at 1:32 PM -0700, "Sean" <sean.barmettler () gmail com> wrote:
response (from a website's content), and no.  I'm looking for content on a
website that shouldnt be there.  I was going to try egress traffic after
that.  Havent tried using the flow content modifier, no, but I'll attempt
that tonight.

On Thu, Aug 27, 2015 at 2:18 PM, Y M <snort () outlook com> wrote:

Is the content you are matching against in the request or response? Have
you tried the same rule using the flow content modifier?

Sent from Mobile




On Thu, Aug 27, 2015 at 12:05 PM -0700, "Sean" <sean.barmettler () gmail com>
wrote:

I can do a simple ICMP alert that works:
alert icmp any any -> 20.1.1.10 any ( msg: "ICMP packet to high value
target!"; sid: 1; rev:1; priority: 1;)

Yet I cant create a simple text string detector to detect HTML strings:
alert tcp any any <> any any (msg:"somebody farted"; content:"poop"; sid:
2; rev:2; priority: 1;)


I wouldnt waste a mailing lists time with this, but I've setup an entire
ESXI lab with routers, switches, security monitors, and THIS.. THIS is what
is stumping me.

hints/clues/suggestions welcome.

thanks.

Sean



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