Abusing the Internet of Things

FIGURE 3-9. The WeMo Switch app

To locate the Switch, the app broadcasts the following SSDP request:

M-SEARCH * HTTP/1.1

HOST:239.255.255.250:1900

ST:upnp:rootdevice

MX:2

MAN:"ssdp:discover"

The Switch then responds with the following payload:

HTTP/1.1 200 OK

CACHE-CONTROL: max-age=86400

DATE: Mon, 14 Oct 2013 10:48:31 GMT

SOME THINGS NEVER CHANGE: THE WEMO SWITCH 79