RE: Nachi
- From: "Nabil, Ahmed" <anmahmou@xxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Sun, 30 Nov 2003 11:46:20 +0200
Which logs should i analuze, there are three different types of logs in the ISA
Logs folder (Web, Firewall....etc) Is it the WEB ??
How Can i know the machine infecting the ISA (having the virus), What is my
criteria ?? Is it the port number ? In most cases the Port is not enough.
Please advice.
Thanks,
Ahmed
-----Original Message-----
From: Thomas W Shinder [mailto:tshinder@xxxxxxxxxxxxxxxxxx]
Sent: Friday, November 21, 2003 4:12 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Nachi
http://www.ISAserver.org
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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