Brute Force Attack Against Wi-Fi Protected Setup

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Reaver is the Linux tool used to implement a Brute Force Attack against Wi-Fi Protected Setup registrar PINs in order to recover WPA/WPA2 passphrases.

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Reaver is the Linux tool used to implement a Brute Force Attack against Wi-Fi Protected Setup registrar PINs in order to recover WPA/WPA2 passphrases. Brute Force Attack Against Wi-Fi Protected Setup. History. - PowerPoint PPT Presentation

Transcript of Brute Force Attack Against Wi-Fi Protected Setup

Page 1: Brute Force Attack Against Wi-Fi Protected Setup

Reaver is the Linux tool used to implement a Brute Force Attack against Wi-Fi Protected Setup registrar PINs in order to recover WPA/WPA2 passphrases.

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Since 2007 the Wi-Fi Alliance provided industry wide setup solutions for home and small business environments.

Allows for typical users with little knowledge of wireless configurations and security settings to configure a new wireless network.

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By default (out-of-the-box) WPS is always active on all devices.

WPS is marketed as being secure, however newly discovered design and implementation flaws allow attackers to gain access.

Allows users to enter an 8 digit PIN to connect to a secured network without having to enter a passphrase.

When the user supplies the correct PIN the access point essentially gives the user the WPA/WPA2 PSK that is needed to connect to the network.

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User pushes a button on both the Access Point and new wireless device (e.g. printer, PC, NIC)

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Internal Registrar User enters WPS PIN of the Wi-Fi

adapter into the web interface of the Access Point.

External Registrar User enters WPS PIN of the Access

Point into the client device (e.g. PC, laptop)

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Is a WPA attack tool developed by Tactical Network Solutions that exploits a protocol flaw in the Wi-Fi Protected Setup (WPS).

This vulnerability exposes a side-channel attack against Wi-Fi Protected Access (WPA) versions 1 and 2 allowing the extraction of the Pre-Shared Key (PSK) used to secure the network.

Determine an Access Point's PIN and then extract the PSK and give it to the attacker.

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An authentication attempt can take between 0.5 and 3 seconds to complete.

Once the PIN of the Access Point has been discovered the Access Point then hands the requesting device the passphrase.

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Cisco/Linksys

Netgear

D-Link

Belkin

Buffalo

ZyXEL

Technicolor

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Disable WPS, however this may not be available on all devices.

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Tactical network solutions. (2011). Retrieved from http://www.tacnetsol.com/products


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Reaver is the Linux tool used to implement a Brute Force Attack against Wi-Fi Protected Setup registrar PINs in order to recover WPA/WPA2 passphrases.

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