Re: Proposed Rules for Acunetix Scanner

[lists () packetmail net]

Cool, no worries.  Cheers guys.

On 01/06/17 13:13, Joshua Williams wrote:
> Nathan,
>
> Thanks for the submission. After careful consideration, we are going to hold off
> on using these rules. While the new rules would work, the 9 rules we already
> have in place already alert. We could technically add tons of different rules
> that detect Acunetix scanning, but at the end of the day the traffic is already
> triggering an alert. Thanks for letting us know!
>
> --
> Josh Williams
> Detection Response Team
> TALOS Security Group
>
> On Tue, Jan 3, 2017 at 3:44 PM, <lists () packetmail net
> <mailto:lists () packetmail net>> wrote:
>
>     No worries, Happy GNU Year ;)
>
>     On 01/03/17 14:39, Joshua Williams wrote:
>     > Nathan,
>     >
>     > Thanks for the submission. Sorry for the delay, I've been out of the office for
>     > a little bit. I'll review these and get back to you once they've finished testing.
>     >
>     > --
>     > Josh Williams
>     > Detection Response Team
>     > TALOS Security Group
>     >
>     > On Wed, Dec 28, 2016 at 11:58 AM, <lists () packetmail net <mailto:lists () packetmail net>
>     > <mailto:lists () packetmail net <mailto:lists () packetmail net>>> wrote:
>     >
>     >     In hindsight, classtype:web-application-attack; may make more sense.
>     >
>     >     On 12/28/16 10:47, lists () packetmail net <mailto:lists () packetmail net>
>     <mailto:lists () packetmail net <mailto:lists () packetmail net>> wrote:
>     >     > I did not see similar in the VRT ruleset and wanted to propose the following for
>     >     > inclusion into the VRT COMMUNITY ruleset.  I am unable to share a PCAP due to
>     >     > confidentiality, however, these should match:
>     >     >
>     >     > alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"VRT COMMUNITY
>     >     > Acunetix scan in progress acunetix_wvs_security_test in http_uri";
>     >     > flow:established,to_server; content:"acunetix_wvs_security_test"; http_uri;
>     >     > fast_pattern:only; threshold: type limit, count 1, seconds 60, track by_src;
>     >     > reference:url,www.acunetix.com/ <http://www.acunetix.com/>
>     <http://www.acunetix.com/>; classtype:attempted-recon;
>     >     sid:X; rev:1;)
>     >     >
>     >     > alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"VRT COMMUNITY
>     >     > Acunetix scan in progress acunetix variable in http_uri";
>     >     > flow:established,to_server; content:"|24|acunetix"; http_uri; fast_pattern:only;
>     >     > threshold: type limit, count 1, seconds 60, track by_src;
>     >     > reference:url,www.acunetix.com/ <http://www.acunetix.com/>
>     <http://www.acunetix.com/>; classtype:attempted-recon;
>     >     sid:X; rev:1;)
>     >     >
>     >     >
>     >
>     >
>     >
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