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Re: [Full-disclosure] Interesting idea for a covert channel or I just didn't research enough?
- To: full-disclosure@xxxxxxxxxxxxxxxxx
- Subject: Re: [Full-disclosure] Interesting idea for a covert channel or I just didn't research enough?
- From: Polarizer <Polarizer@xxxxxxxxxx>
- Date: Fri, 07 Oct 2005 09:47:05 +0200
The scenario is the following. The victim is a host with a host-level
firewall which is blocking *all* incoming traffic. Somehow the attacker
still needs to communicate with a backdoor planted in this host.
Sounds to me like another variation of port knocking[1].
[1] http://www.linuxjournal.com/article/6811
the polarizer
http://www.codixx.de/polarizer.html
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