Wireless Network Hacking.  Authentication Techniques  1. Open System: no security techniques  2. Shared-Key: uses hashed string challenge with WEP.

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Presentation transcript:

Wireless Network Hacking

 Authentication Techniques  1. Open System: no security techniques  2. Shared-Key: uses hashed string challenge with WEP key  WEP: RC4 64-bit or 128-bit  40-bit or 104-bit with 24-bit IV  Open to FMS (Fluhrer, Marntin, Shamir) attack  WPA: TKIP for encryption  WPA2: AES for encryption

 Per packet key  mixing  rekeying mechanism  message integrity check (MIC)  IV increased to 48 bits  Over 500 Trillion keystreams possible  IV are hashed

 Wardriving, Warwalking, Warflying, etc.  Aircrack: Windows and Linux  WEPCrack: Linux  AirSnort: Linux  NetStumbler: Windows  Includes GPS to map WAPs  Kismet: Linux

  

 Used to bypass MAC filtering on WAP  Tools  SMAC

 Rogue WAP  Evil Twin / AP Masquerading  Tools to generate fake WAPs  Fakeap  Netstumbler  MiniStumbler

 Eavesdropping / Sniffing  DoS  AP Masquerading / Spoofing  MAC Spoofing  Planting Rogue Aps  life/banking-online-not-hacked html life/banking-online-not-hacked html

 Change default settings  Use WEP / WPA encryption  Enable firewall settings  Reduce WLAN transmitter power  Disable remote administration

 dqi23oaS8 dqi23oaS8