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Showing posts from February, 2014

Routing Table Poisoning

Well you have heard of arp poisoning and dns cache poisoning,this attack is quite similar but require alot of knowledge to perform it correctly. So what we will do, we use icmp redirect host packet to add a fake routing entry in victim machine to do MITM(Man In The Middle) or DOS(Denial Of service) or DNS Poisoning.Yes that's the beauty, all three can be done using this attack. Redirect requests data packets be sent on an alternative route. ICMP Redirect is a mechanism for routers to convey routing information to hosts. The message informs a host to update its routing information (to send packets on an alternative route). If a host tries to send data through a router (R1) and R1 sends the data on another router (R2) and a direct path from the host to R2 is available (that is, the host and R2 are on the same Ethernet segment), then R1 will send a redirect message to inform the host that the best route for the destination is via R2. The host should then send packets for the destina…