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November 18, 2011  11:42 PM

TCP Session Hijacking



Posted by: Dan O'Connor
initial sequence number, session hijacking, tcp, tcp session hijacking, transmission control protocol

Part of taking over a TCP session is knowing how it works, that's why I was previously talking about the TCP handshake. To take over a session there is a few general steps that need to be done. 1. You need to know the ISN, there is a few ways to do this.

  • In between, the...

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November 18, 2011  10:03 PM

TCP Threeway Handshake



Posted by: Dan O'Connor
initial sequence number, tcp, tcp isn, tcp three way handshake, transmission control protocol

I have been doing some research for a project and I wanted to share some things.  During the three way handshake each host sets it's own ISN.

  • Host 1 sends a SYN packet to Host 2 with A as the ISN (Initial Sequence Number), this number should be non-predictable.
  • Host 2...

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