Re: Using a home T-1 line to evade company filtering

From: Charles Newman (charlesnewman1_at_nospam.comcast.net)
Date: 09/11/03 

Date: Wed, 10 Sep 2003 18:03:35 -0700

X-No-Archive: Yes

"Leythos" <void@nowhere.com> wrote in message
news:MPG.19c953c55f04ae41989c3b@news-server.columbus.rr.com...
> In article <-1WdnXfOvuFd4MKiU-KYvQ@comcast.com>, charlesnewman1
> @nospam.comcast.net says...
> >
> > "Leythos" <void@nowhere.com> wrote in message
> > news:MPG.19c93ff5b84bf065989c39@news-server.columbus.rr.com...
> > > In article <etoulvo26r83gk9056qdae56keipnpdncv@4ax.com>,
> > > CyberDroog@starfleet.gov says...
> > > > On Tue, 9 Sep 2003 20:56:59 -0700, "Charles Newman"
> > > > <charlesnewman1@nospam.comcast.net> wrote:
> > > >
> > > > >[abestos suit on]
> > > > >
> > > > > This is still one other countermeasure. Someone could plug
their
> > own PC
> > > > >into the network. Windows XP can configure itself to most
enviroments.
> > > > >XP can detect and configure itself to whatever network environment
the
> > > > >network card is plugged into. So anyone with a WinXP box can plug
in
> > and
> > > > >be on the network in a matter of minutes.
> > > >
> > > > XP isn't going to connect with a corporate network domain without a
> > > > computer account. In case you haven't guessed... you have to be an
> > admin
> > > > to create the computer account. It also isn't going to be able to
> > connect
> > > > with the internet gateway without a computer account.
> > > >
> > > > And the first time they are seen trying such a thing, I'd make sure
they
> > > > were fired.
> > > >
> > > > Try again.
> > >
> > > In most windows environments it's very easy to get an IP and out to
the
> > > internet. I was at four clients the other day (and several industrial
> > > ones last month) where I connected my laptop, got an IP, and was able
to
> > > get to the internet without being authenticated.
> > >
> > > But, as I said in the other posts - that doesn't mean that the
firewall
> > > logs will not show it - they do and did.
> >
> >
> > There are still two other ways to evade corporate monitoring
> >
> > 1. Bring your own computer, plug it into the phone line, and use your
> > favorite
> > dial-up ISP. Since your ISP is handling the traffic, instead of your
> > corporate
> > network, what you do and say cannot be monitored, filtered, or block by
> > your employer.
>
> Now this is the stupidest thing I've seen anyone post yet - the Phone
> logs will show a connection to a number for an extended period of time,
> even a local number. Heck, most businesses already look for this - this
> is an old idea that never worked anyway.

    There is a away to avoid this problem, if you dont mind paying
garguantuan telephone bills. Just charge the calls to your telephone credit
card. Since it goes on YOUR bill, instead of your employers, there is no
phone records for your employer to scrutinise. The biggest charge is the
first minute, about $6, but after that you pay whateverthe standard per-
minute phone company charge is for any toll call. All you have to is to
enter
ATDT followed by 0 plus the area code and number, followed
by several commas, for a pause, and then your telephone credit card
number and PIN, after that, you should be connected to your ISP. It is also
good
to send the command ATS7=255, so the modem does not disconnect before
the entire credit card sequence is completed. S7 is set to 60 at factory,
but 60 seconds is insufficient time for completing a telephone credit card
transaction.
     If you do this, if would be difficult to prove a case of theft of
company
services, becuase it would be YOU who gets the telephone bill and NOT
your employer. I do warn you though, that your bill could run as high as
$200 per month. You see, when I was in college, there was one modem
connected computer in the Library, that was ONLY supposed to be used
for dialing up a research service. Well, what I did was to dial my computer
at home, and charge the calls to my credit card. It kept me out of trouble
with
the college, but it cost me about $200 a month in telephone bills. Those
credit card sevice charges do add up in a hurry.
      They may get the telephone bills, but if all the calls you make to
your ISP
have been charged to your personal phone bill, and the company gets no bill
for the calls, then they would have no case for theft of company resources.
      This is also nifty idea, if you want to make any voice calls, you
would rather
your employer not know about. Just charge the calls to your credit card, and
they will never know, becuase it is YOU, who gets the bill, and not your
employer.

>
> > 2. Hook a Pringles antenna to your own laptop, and find a wireless
network
> > outside the corporation to hook up to. A Pringles antenna can talk to an
> > un-altered wireless access point as far away as 1.8 miles (the Pringles
> > antenna
> > increases the ERP of your wiress card up to about 15 watts ERP). Two
> > Pringles antennas can talk to each other up to 10 miles away.
>
> Might work in some cases, but sitting at a cube in the middle of an
> office, it's not likely to get 400' let alone outside the building.

      Howeer, what the Pringles antenna does is amplify the signal your
wiress network card puts out. It can take a puny 1/2 watt signal, and
raise the effective radiated power (ERP) to about 15 watts. That would
be enough wattage to get out of any building. And just about every coffee
house around is putting in wireless access, so if there is a Starbucks
nearby,
just point the antenna on that direction, and you should be able to connect
to their servers without any problem. Some chains of Coffee houses and
fast food joints that have, or will have, wiress acces in the future
include:

Starbucks
McDonalds
JR Muggs

     These antennas increase the gain of the signal, letting you go out much
farther
than you think. I think you need to do some research on Pringles Can
Antennas.
You will find that these kinds of antennas to do, and then can be built with
about $12 worth of parts.

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