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Certified Ethical Hacker (CEH) Practice Question

During a wireless penetration test you capture a full 4-way handshake from an 802.11 network using WPA2-Personal with AES-CCMP. After cracking the pre-shared key offline, you want to decrypt the previously recorded data frames in Wireshark. Apart from the recovered passphrase, which additional elements from the handshake are required to reconstruct the Pairwise Transient Key (PTK) and successfully decrypt the traffic?

  • The access point and client MAC addresses together with the ANonce and SNonce values exchanged during the 4-way handshake

  • The RSN capabilities field obtained from beacon or probe response frames

  • The Group Temporal Key (GTK) delivered in message 3 of the 4-way handshake

  • Only the network SSID and the RF channel number on which the capture was made

Certified Ethical Hacker (CEH)
Wireless Network Hacking
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