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Vitaly:
I'm not one to say "We told you so," but ....
You probably identified and eliminated one of the Windows "exploits," but
incidentally the NetBIOS ports (including 139) are some of the favorite
ports for hackers and script-kiddies. You should probably do a virus scan
(I use Norton AntiVirus) and a trojan scan (I like The Cleaner from
www.moosoft.com ) to ensure you have no lingering, malicious applications.
You can (and should periodically) use the DOS command 'netstat -an' from an
MS-DOS window to see what ports are listening for a connection. For more
information on this, see http://www.commodon.com/threat/frame.htm
Also, consider a firewall (yes, Ken and Walter, I am climbing onto my
soapbox again) for a higher level of protection. As a temporary measure,
check out a freeware application named NukeNabber to at least monitor the
more vulnerable ports. Download it from a reliable site like www.tucows.com
because there are hacked versions out there.
Some other free security scanning sites:
http://www.hackerwhacker.com/
http://www.e-softinc.com/
http://www.secure-me.net/
Regards.
----- Original Message -----
From: Vitaly Larichev <vitaly@xxxxxxxxxxxxx>
To: <metastock@xxxxxxxxxxxxx>
Sent: November 24, 1999 14:03
Subject: Internet security (a bit to feed your security paranoia ...)
> Hello,
>
> In the current (Dec.) issue of PC World there is a column titled "Stop
Hackers Before They Attack"
> (p.51) . It mentions a recently launched site that checks your PC
"shields" and scans ports (go to
> http://grc.com/default.htm and click on "Shields Up" banner) regarding
their vulnerability. Port
> #139 on my machine turned out wide open to something horrible; my
ignorance on the subject
> doesn't allow me be more specific describing the horror <g>). Anyhow, I
used a free utility from
> the site to close that bloody port #139.
> The site provides also quite a bit to learn about these things I've never
wanted to know of,
> frankly.
>
> Surf safe. Happy Thanksgiving.
>
> Vitaly
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