Hacking from a network: SYN flood and TCP Sequence number prediction attacks

Greetings. This is the oldie, but goody section of the course. This next section is important for a number of reasons. If you think about it, attacks occur in stages. In general the attacker has to perform reconnaissance to hone in on the target, to find the weaknesses. Then there will be an initial attack, this is often minimal, in the book Network Intrusion Detection we referred to this as the “grappling hook”. Finally, the attacker completes the kill. This attack shows each of these stages. This attack took 16 seconds to complete. When we were discussing automated response, we used 16 seconds as a measuring rod....