RE: Nachi
- From: "Thomas W Shinder" <tshinder@xxxxxxxxxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Thu, 20 Nov 2003 20:12:18 -0600
Hi Greg,
Great tool!
Thanks!
Tom
_____
From: Greg Mulholland [mailto:gmulholland@xxxxxxxxxxxxxxx]
Sent: Friday, November 21, 2003 1:05 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Nachi
http://www.ISAserver.org
Yeah, ive called on it a few times already this morning.
Greg Mulholland
gmulholland@xxxxxxxxxxxxxxx
http://www.isaserver.org <http://www.isaserver.org/>
http://isatools.org <http://isatools.org/>
http://www.google.com <http://www.google.com/>
_____
From: Phill Hardstaff [mailto:phillh@xxxxxxx]
Sent: Friday, November 21, 2003 12:19 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Nachi
http://www.ISAserver.org
Thanks Greg, baretail is brilliant and free, uses virtually no CPU and
very low memory. Run this on your IP logs, set up some color highlights
for your internal networks, then bingo, you vcan see a Nachi machine
strat up just like that, low tech but it works.
Cheers
Phill
_____
From: Greg Mulholland [mailto:gmulholland@xxxxxxxxxxxxxxx]
Sent: Friday, 21 November 2003 10:01 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Nachi
http://www.ISAserver.org
Phil
try this one
http://www.baremetalsoft.com/baretail/index.php
or get cygwin.
_____
From: Greg Mulholland [mailto:gmulholland@xxxxxxxxxxxxxxx]
Sent: Friday, November 21, 2003 9:50 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Nachi
http://www.ISAserver.org
Phil
There is a command. I remember using it for just this reason. I know it
is a tail.exe because its on my system, but I cant for the life of me
remember where it came from. I thought it may have been part of the
pstools suite from sysinternals but its not.
I will try and dig it out and let you know.
Greg Mulholland
gmulholland@xxxxxxxxxxxxxxx
http://www.isaserver.org <http://www.isaserver.org/>
http://isatools.org <http://isatools.org/>
http://www.google.com <http://www.google.com/>
_____
From: Phill Hardstaff [mailto:phillh@xxxxxxx]
Sent: Thursday, November 20, 2003 3:58 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Nachi
http://www.ISAserver.org
Jim, yep, I can confirm that
http://support.microsoft.com/default.aspx?scid=283213 works great. But
don't do the first one :) Also, once you have done this you can see in
the logs very quickly which host the attack is coming from, just wish
Windows had a tail command, I tried Wintail but it goes to 100% CPU,
anyone know anything that works well, so you could watch the tail end of
the packet log and see straight way what is happening, like 100 denies
for ICMP from one internal host in under 1 second = Nachi (most likely).
Cheers
Phill
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