snort-sigs February 2011 archive
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snort-sigs: Re: [Snort-sigs] Coverage for the "Night Dragon

Re: [Snort-sigs] Coverage for the "Night Dragon" Trojan

From: Matthew Jonkman <jonkman_at_nospam>
Date: Thu Feb 10 2011 - 20:39:14 GMT
To: Matt Olney <molney@sourcefire.com>

Thanks Matt! You're right, the one version we have isn't good, but the second version does fit the traffic, so it'll fire.

Appreciate the tweak, new version out shortly.

Matt

On Feb 10, 2011, at 3:27 PM, Matt Olney wrote:

> Hey ET folks who are here...
>
> If you guys could pass on this information:
>
> The rules provided won't fire on Night Dragon C&C traffic.. The offset:66 is calculated from the beginning of the Layer 2 portion of the packet. The data portion (what Snort looks at) starts at offset 54. The correct offset for the rule should be 12. Also, you probably want to add a depth: qualifier of 3 bytes so you don't false positive further down the packet.
>
> Don't normally check in on you guys, but this was important enough to check.
>
> Matt
>
> On Thu, Feb 10, 2011 at 2:47 PM, evilghost@packetmail.net <evilghost@packetmail.net> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> On 02/10/11 13:41, Joel Esler wrote:
> > Registered users will have the normal 30 day wait.
>
> Joel, I think this is ok to post here...
>
> Those who are looking for coverage who are not VRT subscribers they're in
> Emerging-Threats (http://www.emergingthreats.net).
>
> There's an ongoing discussion here regarding several signatures which have been
> proposed for inclusion, see
> http://lists.emergingthreats.net/pipermail/emerging-sigs/2011-February/011896.html
>
> Disclaimer - I have no vested interest in EmergingThreats, I'm just a
> simple/normal community participant there.
>
> - --
> It has been said that "hate" is a powerful emotion, perhaps that's why I'm so
> strong.
>
> - -evilghost
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>
> ------------------------------------------------------------------------------
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> ------------------------------------------------------------------------------
> The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE:
> Pinpoint memory and threading errors before they happen.
> Find and fix more than 250 security defects in the development cycle.
> Locate bottlenecks in serial and parallel code that limit performance.
> http://p.sf.net/sfu/intel-dev2devfeb_______________________________________________
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----------------------------------------------------
Matthew Jonkman
Emergingthreats.net
Emerging Threats Pro
Open Information Security Foundation (OISF)
Phone 765-807-8630
Fax 312-264-0205
http://www.emergingthreatspro.com
http://www.openinfosecfoundation.org
----------------------------------------------------

PGP: http://www.jonkmans.com/mattjonkman.asc

------------------------------------------------------------------------------
The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE:
Pinpoint memory and threading errors before they happen.
Find and fix more than 250 security defects in the development cycle.
Locate bottlenecks in serial and parallel code that limit performance.
http://p.sf.net/sfu/intel-dev2devfeb

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