AirSnare Customers Information model 0.8

Preliminary Obtain and Setup

You will have a 802.11b (wi-fi) community card.  If Ethereal
works along with your community card, AirSnare ought to do the identical. (AirSnare
will work on a wired community card).

The pc that’s going to be working AirSnare have to be related
with the Entry Level. What this implies is the pc will need to have it is
wi-fi consumer SSID set to the identical SSID because the Entry Level. (Setting
the SSID on the AirSnare pc to:
ANY has additionally labored in LAB testing.)

3) You could have the WinPcap Library put in. If you’re working Ethereal (the free sniffer software program) then you have already got this, if not you may obtain it from

4) Obtain AirSnare and set up it.

5) Begin AirSnare. So long as you might have the above put in you should not get any errors.


What if I get an error?

error ‘-2147220992 (80040200)’: “Did not load winpcap packet.dll.
Please (re)set up the winpcap packet seize libraries.”

That is a straightforward one… Comply with step 3 above and obtain and set up the WinPcap Libraries.

Run-time error ‘-2147220982 (8004020a)’: Process PacketSetHwFilter failed Error Code = 0

isn’t an excellent error. That is telling you that the software program is having
issues placing your community card into promiscuous mode. Mainly
your card isn’t suitable. Your solely choice is to strive a unique card.

Process packetGetAdapterNames failed error

is a straightforward error……uninstall WinPcap of any model in your system
after which by way of the beginning menu hyperlink Re-Set up WinPcap to repair the issue.


AirSnare is working… now what?


very first thing you need to do is choose your adapter from the checklist of
put in adapters within the higher left portion of the AirSnare display screen. If
there are a number of adapters listed, ensure you choose your present
community adapter.

As soon as you choose your adapter proper click on and choose “Start”.

Click on begin… If you happen to get an error at this level it might be one in all two issues.

    1. You didn’t choose the suitable community card within the checklist of adapters.
    2. Your Community Interface Card isn’t suitable (see above errors)

Press the “Start” button

So now we’re off and working. Tthe AirSnare display screen might flip RED
because it discovers new unfriendly MAC addresses. We’ll assume at this
level you haven’t edited your Pleasant MAC Tackle checklist. So, we have to
populate your Pleasant MAC Tackle checklist with ALL of the MAC addresses
of the machines in your community, this contains:

  • All private computer systems in your community, Mac’s, PC’s, And many others.
  • All web linked recreation consoles (ie: Xbox, PlayStation, and so forth.)
  • Your
    Routers MAC tackle (there could also be a pair, the WAN port, The LAN port
    and the Wi-fi port if it is usually a Wi-fi Entry Level). This
    info can normally be discovered on the Standing web page or different
    configuration pages of the router.
  • Community Printers or Print Server gadgets
  • Any Wi-fi system (Laptop computer, iPaq, Pill PC, and so forth.)
  • Mainly any system that connects to the Web by way of your router or Entry Level.

So, how can we get the MAC addresses of those gadgets?


For all Community Gadgets apart from computer systems

the underside of most print servers, routers, switches, and so forth. there’s a
small label that claims “MAC:************”. That is your MAC (Media
Entry Management) Tackle and is restricted to that system and that system


Manually Getting the MAC tackle.

On a Home windows 95, 98 or ME machine go to the Begin button then Run then sort: winipcfg

Then hit enter. Choose your community adapter within the high dropdown checklist and it’s MAC tackle will present up within the Adapter Tackle window, it should look one thing like 00-40-85-2D-43-E6. Write the quantity down rigorously and keep away from any typos.

On a Home windows 2000 or XP machine go to the Begin button then Run then sort: CMD

Then hit enter, (or open up a Command Immediate window)

Then contained in the command window sort: ipconfig /all             then hit enter

will show your community adapters. Search for the road that claims
“Physical Address”, once more this will probably be within the format of
00-40-85-2D-43-E6, all the time 6 teams of two digits. Write these down
rigorously to keep away from errors and enter them rigorously to keep away from typos.

your broadband router or wi-fi entry level it is going to be displayed on
one of many standing screens. Bear in mind that there will probably be a number of MAC
addresses in your router 1 for the WAN port, 1 for the LAN port and
one other for the Wi-fi connection.

different gadgets, you’ll need to dig round to search out it. Verify
configuration display screen, do a Google search on discovering that MAC of your
system, and so forth. If you happen to can’t discover it you may all the time hook up with the
web from that system and watch the “Unfriendly MAC Watch Window”,
and in case your checking mail from that system it is best to see =E-Mail=>
or in case your browsing the online it is best to see =WEB=> entries within the
window. So long as you’re positive that’s YOU inflicting these entries, then
you will be fairly positive that would be the right MAC tackle listed.

As soon as
you might have checked ALL the entries within the Auto_trustedMAC.txt file and
are glad that you just personal all of them, you may rename the file to
trustedMAC.txt and put it aside.


Pleasant MAC’s Checklist

that you’ve got the checklist of MAC’s of all your gadgets you may go to
your pc and begin AirSnare. Undergo your checklist of MAC’s and the
ones detected by AirSnare. If you see a MAC that you just need to be on
the Pleasant MAC checklist, excellent click on and choose “Add to Trusted”.
It will convey up a window that shows the MAC tackle and the
description. Depart the MAC area alone because you need to add that MAC
to the pleasant checklist. Within the description area it’s possible you’ll put within the identify
of the community gear that that MAC corresponds to. Then hit “OK” to
add it to the Pleasant checklist.

Now you may let AirSnare run and look ahead to unfriendly MAC addresses…

AirSnare detects a MAC tackle on the community that is not listed within the
Pleasant MAC checklist, it should sound an alert and alter the background
display screen shade to RED.  At this level
any site visitors despatched from that MAC tackle to the community will probably be logged in
the Unfriendly MAC Watch Window (see to the highest proper).  At this
level you should decide if the MAC tackle actually is Unfriendly or
should you simply maybe missed a tool in your community

can lookup producers by MAC tackle, which can provide help to decide
what gear that is, Vernon despatched me the next hyperlinks: – IEEE OUI Lookup.  Enter the primary 4 digits of the MAC tackle within the Search OUI field, for instance should you entered:  “0002a5” it will return: Compaq Laptop Company – Discovering radio producers by MAC tackle


Alarms Menu

An AirSnare alert will be cleared by going to the “Alarms” area and proper clicking and deciding on “Acknowledge Alarm”


Detected potential unfriendly MAC addresses window

Any MAC tackle picked up by AirSnare that is not 


The Unfriendly MAC Watch Window

is the place yow will discover out what the unfriendly MAC is as much as.  It
will present you the supply and vacation spot IP tackle they’re going to
and the Supply and Vacation spot MAC Tackle.  It can additionally determine
frequent ports equivalent to FTP, Telnet, e-mail, internet, DHCP and different well-liked


Write to log file button

you need to save the knowledge from the Unfriendly MAC Watch Window,
rihgt click on “Write to log file button”.  It will save the
info to a file within the AirSnare listing underneath the Logs
listing.  File names are saved as *.TXT recordsdata.


Ship NetMsg to button

to ensure that this to work the machine that the message is being despatched to
have to be a Home windows NT, 2000 or XP machine, or a Home windows 95, 98 or ME
machine with window messaging working.


The AirHorn Module

is the piece of AirSnare that sends the message to the IP tackle
indicated.  The AirHorn Module robotically configures itself to
ship messages.  To open the AirHorn module proper click on the MAC
Tackle you need to ship it to”Send NetMsg to” button within the Unfriendly
MAC Watch Window. Now we’ve the AirHorn Window open.

This module will solely work from a Home windows NT, XP or 2000 machine!

server, Ship To, and Ship From are all robotically configured when
you open AirHorn. The Rceiving pc will need to have the Home windows Web
Connection Firewall (ICF) and the messenger service enabled (each
undone by Home windows XP SP2). The sending pc doesn’t must have
the Home windows Web Connection Firewall off and the messenger service


The Choices Menu

Scan MAC Site visitors – Tells AirSnare to incorporate MAC packets in its scanning

Scan TCP Site visitors – Tells AirSnare to incorporate TCP packets in its scanning

Scan UDP Site visitors – Tells AirSnare to incorporate UDP packets in its scanning

Play WAV alert sound
– Will play a WAV file alert over the PC audio system.  You’ll be able to change
the WAV sounds by recording your personal alerts and renaming them to the
acceptable AirSnare WAV file alert sounds.

Ship E-mail on alert
– Sends an e-mail when an intrusion alarm is activated.  This
requires that the AirMail module is setup and configured
correctly.  See beneath.


The Monitoring menu

use the Observe with AirSnare choice.  There are too many variables
to get Ethereal to work.  If it really works for you, nice, if it
does not… use the AirSnare choice it is a lot sooner.  Run Ethereal
on one other machine to seize packet knowledge.


The Window Menu


DHCP Requests

This opens a window exhibiting you all of the DHCP requests which have taken place for this session.

AirHorn Window

Opens the AirHorn module window.  That is described above underneath “The AirHorn Module”



Within the choices menu click on the AirMail tab .

first field is the tackle of your SMTP mail server.  If in case you have
one on-site simply enter the pc identify, whether it is offsite or your
ISP’s then enter both the IP tackle or the DNS identify. (i.e. 

second field is the To E-Mail Tackle, Enter the e-mail tackle’s that you just
need an alarm despatched to by way of E-Mail when an un-authorized particular person cinnects
to your Wi-fi Acces Level.

third field is the From E-mail tackle, enter your e-mail tackle
right here.  Subsequent, fill within the To Identify and the To E-mail tackle, the
tackle the place you need the alert to go to.  The topic cannot be
modified, subsequent enter a message for the physique of the e-mail, one thing
like “An intrusion has been detected on the community. Please see the
AirSnare machine for additional info.”

The fifth field is solely what the message will say whenever you recieve it.


Assist Menu

Assist Menu affords you the About choice.  This to me is essentially the most
essential half because it explains the lengthy hours that I put into this
program and asks you to donate to the undertaking to assist preserve it going and
to assist different developments prefer it.  If you happen to use AirSnare and
discover it helpful I hope you may make a donation.  Thanks and
please take pleasure in this system.

AirSnare Boards

AirSnare Boards are up and working.  Please go to them and put up
any questions or tales of detection.  Hopefully this will probably be a
frequent place for AirSnare info and to share info and
concepts on community safety and intrusion detection you might be utilizing or are
interested by.  I believe it should take awhile to get going however
must be an excellent useful resource for AirSnare customers.

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