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.


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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