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Full Discussion: Hiding a root kit in the NIC
Special Forums Cybersecurity Hiding a root kit in the NIC Post 302474541 by Praveen_218 on Wednesday 24th of November 2010 01:34:47 PM
Old 11-24-2010
But ...

Quote:
Originally Posted by pludi
Presentation at Hack.lu: Reversing the Broacom NetExtreme's firmware - Sogeti ESEC Lab

Quite interesting idea, that. No trace in the OS, undetectable by any AV or Spyware scanner, and perfectly hidden communication.
If used a sniffer, for a given data to be written to the network wire; it could be easily detected.

So a new requirment for integrity check would be to device such kind of sniffer based automated test in addition to the chacksum maintainance, to gurentee integrity, using appropriate hash algorithm (SHA1 or above).
 

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IPWCTL(8)						    BSD System Manager's Manual 						 IPWCTL(8)

NAME
ipwctl -- configure Intel PRO/Wireless 2100 network adapter SYNOPSIS
ipwctl [-i] iface ipwctl [-i] iface -r DESCRIPTION
The ipwctl utility controls the operation of Intel PRO/Wireless 2100 networking devices via ipw(4) driver. You should not use this program to configure IEEE 802.11 parameters. Use ifconfig(8) instead. OPTIONS
The options are as follows: -i iface Display adapter's internal statistics. -i iface -r Display the radio switch state (on or off). FILES
The firmware, loaded automatically, is not shipped with NetBSD; install the pkgsrc/sysutils/ipw-firmware package. The original archive is available from Intel at: http://ipw2100.sourceforge.net/firmware.php?fid=3. ipw2100-1.2.fw BSS mode (connection to an access point) firmware ipw2100-1.2-i.fw IBSS mode (point-to-point connection) firmware ipw2100-1.2-p.fw Monitor mode firmware SEE ALSO
ipw(4), ifconfig(8), pkgsrc/sysutils/ipw-firmware AUTHORS
The ipwctl utility and this man page were written by Damien Bergamini <damien.bergamini@free.fr>. BSD
April 17, 2006 BSD
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