Decrypting Frequency Hopping packets

["James Lay" <jlay () slave-tothe-box net>]

Hey All!

So...I am doing an internal pentest and have run across something
interesting.  Situation:  OLD Symbol Spectrum24 FH PCMCIA NIC's connecting
to OLD Symbol Spectrum FH AP2411...no WEP.  I haven't found ANYTHING that
allows me to use the PCMCIA NIC as a sniffing device (something a la
Kismet).  As I was doing a packet capture using Kismet on a b/g NIC, I
noticed that I COULD pick up some packets during a conversation from/to AP
and NIC.  Now..these packets are all 214 bytes long...and I haven't a clue
how I would be able to decrypt them into something usable.  Anyone have
ANY suggestions or thoughts?  Thanks.

James


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