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Wireless - Network Security

Wireless Network

Wi-Fi ==> Wireless Fidelity

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Made up of the word 'wireless' which means the use of waves instead of 'cables' for signal transfer.

Wi-Fi Direct

A peer-to-peer is a wireless connections that allow two devices to establish a direct Wi-Fi connection without an intermediary wireless access point, router, or internet connection.

Wireless Network Security

  • To protects a wireless network from unauthorized and malicious access attempts.

Wireless Security Protocol.

There are four wireless security protocols currently available.

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 1.  Wired Equivalent Privacy (WEP)
 2.  Wi-Fi Protected Access (WPA)
 3.  Wi-Fi Protected Access 2 (WPA 2)
 4.  Wi-Fi Protected Access 3 (WPA 3) latest => with 

Secure your organization wireless Network

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  1. Changing Default `password` and `SSID`
  2. Enable the router’s firewall
  3. Enable MAC address filtering
  4. Disable remote administration

Wi-Fi Vulnerability.

The Ten Most Critical Wireless and Mobile Security Vulnerabilities
  • Default Wi-Fi routers ==>
  • Rogue Access Points ==> Fake Access Point
  • Wireless Zero Configuration ==> Auto authentication to pre authenticted Wi-Fi network. Attacker can intrecept the SSID values
  • Bluetooth exploits ==> BlueSnarfing: Secretry access pictures, calenders, Phone contacts lists. ==> BlueBugging: send SMS messages from a remote vulnerable phone spoofing the sender. ==> BlueJacking: By renaming the name of phone, the hacker can trick victims into accepting bluetooth connections. ==> BlueTooth DoS attack: Invalid Bluetooth request to a mobile device phone can take a whole channel.
  • WEP Weaknesses: ==> Passwords can easily be cracked using Airsnort.

Hacking Wi-Fi.

i. To addjust transimision power in Wi-Fi Network

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  iwconfig wlan0 txpower 30

ii. set wlan0 in monitor mode

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 airmon-ng start wlan0

iii. To view wireless traffic in your network Then. Scan for available Wi-Fi.

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# airodump-ng mon0
 sudo airodump-ng wlan0mon

iv. Capturing PMKID (Pair wise Master key ID)

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sudo hcxdumptool -i wlan0mon -o Hackers-ArisePMKID  --enable_status=1 --filterlist_ap=BE:91:B5:7E:51:79 --filtermode=2

Tools

  • Fern WIFI cracker => scanns for available Network and attempts to hack it
  • Wifite => Wireless Auditor
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   apt install hcxdumptool
   apt install hcxtools
   sudo wifite  => then CTRL+C and put number `CH` 
  • RadareEye
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  git clone https://github.com/souravbaghz/RadareEye
  ./radare <mac_addr><option>
  • Options are

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     - blue Bluetooth RadareEye
     - ble BLE radareEye
     - wifi Wifi AP radareEye
    

References.

  1. Wireless Vulns
  2. Wireless Vulns2
  3. Wireless Vulns3
This post is licensed under CC BY 4.0 by the author.

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