Linux: wepcrack quick howto

This article presents the steps to follow in order to use wepcrack (wifi / wep crack).

Needed software

Before starting, you need the following:

  • Linux’s wireless tools (iwconfig, etc.)
  • airodump
  • aircrack

First Step

We first need to configure the wireless card to listen for all packets it can receive:

Second step

We now need to dump packet and store them to a file. Be ware that a lot of packets are needed in order to make wep key crack possible.

Finaly…

We can now use aircrack on the previously generated file (see aircrack usage). For example, to search a 128 bits wep key use a 2 cores cpu:

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