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airodump-iv

A python implementation of airodump-ng - the classic wifi sniffing tool.

airodump-iv is probably inferior in a lot of ways to airodump-ng but is being written as a learning tool. It might also be useful to python developers interested in wifi sniffing.

Currently the only feature in airodump-iv not in airodump-ng is clearly identifying the SSIDs for hidden networks (when possible).

airodump.py is being developed in ubuntu precise with an Alpha AWUS036H or D-Link DWA-123 wireless card.

• For more BackTrack: http://www.backtrack-linux.org/
• For more Alpha AWUS036H: https://www.google.com/search?q=Alpha+AWUS036H
• For more D-Link DWA-123: http://www.dlink.co.in/products/?pid=528 TODO

airodump.py makes uses of scapy for sniffing and protocol/structure parsing

• For more scapy: http://www.secdev.org/projects/scapy/
• For better scapy docs: http://fossies.org/dox/scapy-2.2.0/index.html

My interest in this project was kicked off by a wifi penetration class @ Blackhat EU. Since then I've read quite a few protocol documents.

• For more on the class: http://www.blackhat.com/eu-13/training/advanced-wifi-penetration-testing.html
• The class basically followed this book: http://www.amazon.com/BackTrack-Wireless-Penetration-Testing-Beginners/dp/1849515581
• 802.11 base spec - http://standards.ieee.org/getieee802/download/802.11-2012.pdf
• 802.11i security spec - http://standards.ieee.org/getieee802/download/802.11i-2004.pdf
• Radiotap Headers - http://www.radiotap.org/
• Wireless Extensions IOCTL - less /usr/include/linux/wireless.h

Installation & Running

Steps to run include:

• Grab the code:
  • git clone git://github.com/ivanlei/airodump-iv.git
  • git submodule init
  • git submodule update
  • cd airodump-iv/airoiv
• Set wireless card into monitor mode:
  • sudo airmon-ng check kill
  • sudo airmon-ng start wlan0
• Once the card is in monitor mode:
  • sudo python airodump-iv.py
• To exit
  • CTRL-C (... repeatedly sometimes)

Useful options include:

• --iface=IFACE - Set the interface to sniff on. By default mon0.
• --channel=CHANNEL - Monitor a single channel. By default it will channel-hop.
• --max-channel=MAX_CHANNEL - Set maximum channel during hopping. By default queries Wireless Extensions.
• --packet_count=PACKET_COUNT - Number of packets to capture. By default unlimited.
• --input-file=INPUT_FILE - Read from PCAP file.
• -v - Verbose mode. Does not play well with curses mode.
• --no-curses - Disable the curses interface.

VirtualBox VM

A Ubuntu precise Vagrantfile is included in the project. It will use puppet standalone to configure a clean wifi test environment in VirtualBox that includes airocrack-ng (from unofficial apt repo), iw tools, wireless-tools, and the contents of this repo.

After installing Vagrant and Virtualbox:

• Boot the box:
  • cd airodump-iv/Vagrant
  • vagrant up airoiv01
  • vagrant ssh airoiv01
• Let the box see a usb wifi adapter. From the host:
  • vboxmanage list usbhost and find the UUID of the USB device
  • vboxmanage list vms and find the UUID of the vm
  • vboxmanager controlvm <UUID-of-vm> usbattach <UUID-of-usb-device>

Interesting TODOs

• Implement channel hopping in a standards compliant manner
• Fix curses mode display to not have quite so many bugs
• Improve station display
• Test with other wifi cards
• Write unit tests
• Cleanup code
• World peace