Crucial Exams

Certified Ethical Hacker (CEH) Practice Question

During a wireless engagement, you capture a complete EAPOL 4-way handshake from an 802.1X-protected WPA2-Enterprise network that authenticates with PEAP-MS-CHAPv2. Because the keys are generated per session, you cannot brute-force a shared secret as with WPA-PSK. Following the wireless hacking methodology, what should you do next to obtain usable credentials?

  • Perform a TKIP chop-chop injection to reveal the temporal key and decrypt subsequent traffic.

  • Conduct an ARP replay attack with aireplay-ng to collect IVs and perform an FMS-style key-recovery attack.

  • Run aircrack-ng with a large wordlist directly against the captured EAPOL handshake to recover the pre-shared key.

  • Set up a rogue access point with hostapd-wpe or EAPHammer to entice clients, capture their PEAP-MS-CHAPv2 challenge-response, and crack it offline.

Certified Ethical Hacker (CEH)
Wireless Network Hacking
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