Snort mailing list archives

Re: Anyone else seeing lots of 129 20 this am?


From: James Lay via Snort-users <snort-users () lists snort org>
Date: Fri, 30 Aug 2019 10:56:35 -0600

"Ok George fine...it's not me, it's you.."

On 2019-08-30 10:22, Daniel Rieille wrote:
Yes. The same for me! Thousands of 129 20 this morning on the same
network traffic.

Le ven. 30 août 2019 à 18:08, James Lay via Snort-users
<snort-users () lists snort org> a écrit :

Something as in snort ;)  Same traffic, a LOT more alerts right
after
updates.

On 2019-08-30 09:23, Joel Esler (jesler) wrote:
When you say "something changed", do you mean "Snort" changed.  Or
"attacker behavior" may be changing?

On Aug 30, 2019, at 8:13 AM, James Lay via Snort-users
<snort-users () lists snort org> wrote:

Yea something changed....I run ssh on a non-standard port and now
I'm seeing:

[120:18:3] (http_inspect) PROTOCOL-OTHER HTTP server response
before
client request

after updating rules this AM:

Aug 30 01:10:22 snort[31692]: Decoding Ethernet
Aug 30 01:17:53 snort[31692]: [120:18:3] (http_inspect)
PROTOCOL-OTHER HTTP server response before client request

that http_inspect hit rule is the first time I've seen that in my
logs....ever 😉

James

On Fri, 2019-08-30 at 06:05 -0600, James Lay via Snort-users
wrote:

Seeing massive amounts of [129:20:1] TCP session without 3-way
handshake this morning....seems to be firing off on RST packets.

James

<Screenshot from 2019-08-30 06-05-03.png>

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