The FailOverflow site has an amusing
inside an AT&T microcell box which, naturally, runs Linux.
"The backdoor uses simple UDP packets to transmit requests and
receive responses. There are a number of operations supported, but the most
useful one is called ‘BackdoorPacketCmdLine’. Yes. It’s actually called
‘Backdoor’. This command lets you execute any linux command. Execution is
performed using the backticksh function.
" This port turns out to be
globally accessible. (Thanks to Paul Wise).
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