fragmentation
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fragmentation [2007/05/03 01:00] – added: When to say no? darkaudax | fragmentation [2007/06/25 16:33] – corrected broken links darkaudax | ||
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Basically, the program obtains a small amount of keying material from the packet then attempts to send ARP and/or LLC packets with known content to the access point (AP). If the packet is successfully echoed back by the AP then a larger amount of keying information can be obtained from the returned packet. | Basically, the program obtains a small amount of keying material from the packet then attempts to send ARP and/or LLC packets with known content to the access point (AP). If the packet is successfully echoed back by the AP then a larger amount of keying information can be obtained from the returned packet. | ||
- | The original paper by Andrea Bittau at http://www.toorcon.org/2005/ | + | The original paper, [[http://darkircop.org/bittau-wep.pdf|The Fragmentation Attack in Practice]], by Andrea Bittau |
===== Usage ===== | ===== Usage ===== | ||
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* When to say no to a packet? | * When to say no to a packet? | ||
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===== Usage Troubleshooting ===== | ===== Usage Troubleshooting ===== | ||
- | * Make sure your card can successfully inject. | + | * Make sure your card can successfully |
* Make sure the MAC you are using for injection is associated with the AP. | * Make sure the MAC you are using for injection is associated with the AP. | ||
* Make sure you are on the same channel as the AP. | * Make sure you are on the same channel as the AP. | ||
* Also see the general aireplay-ng troubleshooting ideas: [[aireplay-ng# | * Also see the general aireplay-ng troubleshooting ideas: [[aireplay-ng# | ||
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+ | Although not a direct troubleshooting tip for the fragmentation attack, if you are unable to get the attack to work, there are some alternate attacks you should consider: | ||
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+ | * [[korek_chopchop|Korek chopchop Attack]]: This is an alternate technique to obtain PRGA for building packets for subsequent injection. | ||
+ | * [[interactive_packet_replay# | ||
fragmentation.txt · Last modified: 2009/09/05 23:32 by mister_x