Wifi

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  • Publicado : 3 de enero de 2011
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Injection Walkthrough

This is for an intel PRO/Wireless 3945ABG WLAN (802.11a/b/g) card.

I've tested this on Ubuntu 7.10 Gutsy Gibbon - x86 architecture - 32 Bit, but I don't see why itshouldn't work on other OS's. Some commands might be different however, especially the ones involving apt-get.

You need a Internet Connection with your LAN Cabel.

Open a Terminal and type…

Prerequirements

sudo apt-get install build-essential
sudo apt-get install libssl-dev

For openSUSE and other RPM-based distros, this is different (replace “zypper” with your distro's package manager):sudo zypper install gcc
sudo zypper install libopenssl-devel

Installation

*
Download ipwraw-ng from http://homepages.tu-darmstadt.de/~p_larbig/wlan/ orhttp://dl.aircrack-ng.org/drivers/ (2.3.4 is the latest as of 11 February 2008)

*
Install the modules and ucode

*
Blacklist ipwraw (so it's not automatically loaded at boot time)

wgethttp://dl.aircrack-ng.org/drivers/ipwraw-ng-2.3.4-04022008.tar.bz2
tar -xjf ipwraw-ng*
cd ipwraw-ng
make
sudo make install
sudo make install_ucode
echo "blacklist ipwraw" | sudo tee /etc/modprobe.d/ipwrawsudo depmod -ae

Use ipwraw-ng

*
Unload the ipw3945 module
*
Load ipwraw-ng

The device created will automatically be in monitor mode.

sudo modprobe -r ipw3945
sudomodprobe ipwraw

The new device name for injection should should be called wifi0 and the monitor interface should be rtap0. iwconfig can be used to display the current wireless interfaces.ubuntu@ubuntu:~$ iwconfig
lo no wireless extensions.

eth0 no wireless extensions.

wifi0 unassociated ESSID:off/any
Mode:Monitor Channel=11 Bit Rate=1 Mb/s

rtap0 nowireless extensions.

IMPORTANT before using airodump-ng you need to : # ifconfig wifi0 up

Configure your Wireless Card

You can use iwconfig to set the channel and rate and transfer power....
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