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| Live CD for Wireless Hacking, Used by the FBI
WEP
is an encryption scheme, based on the RC-4 cipher, that is available on
all 802.11a, b and g wireless products. WEP uses a set of bits called a
key to scramble information in the data frames as it leaves the access
point or client adapter and the scrambled message is then decrypted by
the receiver.
Both sides must have the same WEP key, which is
usually a total of 64 or 128 bits long. A semi-random 24 bit number
called an Initialization Vector (IV), is part of the key, so a 64 bit
WEP key actually contains only 40 bits of "strong" encryption while a
128 bit key has 104. The IV is placed in encrypted frame's header, and
is transmitted in plain text.
Traditionally, cracking WEP keys
has been a slow and boring process. An attacker would have to capture
hundreds of thousands or millions of
packetsâââ??¬ââ?¬�a process
that could take hours or even days, depending on the volume of traffic
passing over the wireless network. After enough packets were captured,
a WEP cracking program such as Aircrack would be used to find the WEP
key.
Fast-forward to last summer, when the first of the latest
generation of WEP cracking tools appeared. This current generation uses
a combination of statistical techniques focused on unique IVs captured
and brute-force dictionary attacks to break 128 bit WEP keys in minutes
instead of hours. As Special Agent Bickers noted, "It doesn't matter if
you use 128 bit WEP keys, you are vulnerable!
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auditor-200605-02-no-ipw2100.iso
This version is for systems with the Intel B/G wireless cards (IPW2200) only. All other system should take the version below.
The md5sum of auditor-200605-02-no-ipw2100.iso is "70a5f3e47c191c055366b3b0a3fa2c90
Code: \\auditor-200605-02-ipw2100.iso
This version is for all systems except systems with the Intel B/G wireless cards (IPW2200).
The md5sum of auditor-200605-02-ipw2100.iso is "cdec4b975c1001ddc127a16a32ed1dd7"
Code:
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