If airodump-ng, aireplay-ng or airtun-ng stops working after a short period of time, you may want to kill (some of) them!
PID Name 595 avahi-daemon 599 Network Manager 678 avahi-daemon 749 wpa_supplicant 795 dhclient Interface Chipset Driver wlan0 Atheros AR9565 ath9k - [phy0]SIOCSIFFLAGS: Le nom n'est pas unique sur le réseau (monitor mode enabled on mon0) [email protected]:~$ sudo airodump-ng mon0 ioctl(SIOCSIFFLAGS) failed: Name not unique on network I tryed to habilitate and deshabilitate network manger etc...
It combines several cracking modes in one program and is fully configurable for your particular needs (you can even define a custom cracking mode using the built-in compiler supporting a subset of C).
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Cracking WPA and WPA 2 networks is still very difficult and solely dependent on using a brute force attack with a good dictonary.
Instead, it has its own highly optimized modules for different hash types and processor architectures.
Some of the algorithms used, such as bitslice DES, couldn’t have been implemented within the crypt(3) API; they require a more powerful interface such as the one used in John.