Remote debugging of a micro computer
The server is running on GDB simulator with special patch.

* Connect to the server.

  $ telnet micro.pwn.seccon.jp 10000
  $ echo '+$g#67+' | nc micro.pwn.seccon.jp 10000

  A long connection is disconnected automatically. (several minutes)
  A request of a connection in a short interval is ignored. (several seconds)

* Read "flag.txt" on current directory.

Reference:

* Assembly samples for many architectures

  http://kozos.jp/books/asm/cross-20130826.zip

  See the assembly samples.

  $ unzip cross-20130826.zip
  $ cd cross/sample
  $ ls *.d

  See the sample programs running on GDB simulator.

  $ cd cross/exec
  $ ls *.d