this post was submitted on 07 Sep 2024
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I also like the idea of ptunnel
I don’t understand how that can be reliable without being extremely obvious.
Yeah, any off the shelf network intrusion software would probably immediately flag either of those based solely on the amount of traffic.
Well it would be obvious. Any decent network tool would be able to filter traffic on a port or type (ICMP, DNS, etc).
“Wonder why this kid has 2.5Gb of DNS traffic last week? That isn’t normal. Maybe we should go check it out”
The trick to staying hidden is to look like noise. And this would not be noise.
In 2014 when I was in the hospital for a week I got a visit from their IT. Seems like pushing 5 to 10 gig a day through a ssh connection triggered something. Just a gig of ICMP of any variety would trip a alarm.