Blackhat the film and locating devices in datacenters

A few days ago a friend told me about Blackhat, the film.

www.imdb.com/title/tt2717822/

A really shity film. It has some plausible things on it and a lot of rubbish. My friend asked me how could the guy know where the server was located in a datacenter.

Well it could ask using SNMP, LLDP, Take it from the DHCP option 82 or if it was connected to a Cisco switch, simply read it from the network with:

tshark -i eth0 -V -f “ether host 01:00:0c:cc:cc:cc” -c 1 | grep ‘Port ID:\|Device ID:’
Device ID: RACK_C_SW1
Device ID: RACK_C_SW1
Port ID: GigabitEthernet0/9

That part was actually common stuff.

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