From: Colin.Scott at csplc.com (Colin.Scott@...lc.com)
Subject: WiFi question

List,

I'm an expert in nothing so when I saw this I had to ask, as Im sure theres
someone out there that is a WiFi expert.

Google has found no answer so here goes.

Last night we saw a new access point appear. No problems its an ad-hoc
network so its someone's machine with XP on configured for their home W-LAN
probably.  Running Netstumbler shows more on it though.

You get 2 Access Points showing this ESSID for a few seconds. Then you get
a 3rd, then a 4rth. Then the first two drop off, this repeats forever.
Always using a different MAC address when a new AP appears. The APs are all
WEP enabled (which I cant crack cos I dont have the savvy or the tools :) )
and this goes on forever.

The MACs are all from different pools (i.e. assigned to different
manufacturers) so the only conclusion is that they are all spoofed MACs.

I have walked around the office and as far as I can tell its coming from
this office (the IT dept), basing that assumption on signal strength.

Anyone seen any tools that do this?   I would love a little hand-held
gadget that would help me find it (like the scanner in Alien!)

Answers on a post card :)

Colin.





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