The only networking problem at pCTF 2011 was unusual because it involved
ZigBee, based on
IEEE 802.15.4.
Context
We captured this network traffic from outside of an AED employee's home.
Decrypt it and find the key.
Update: Our operatives were able to decrypt packet #18 in the capture file.
The decrypted data is 18060a0700421a63343a636f6e74726f6c345f73723235303a43342
d53523235300400420830332e30312e3534050020040600213c00
or (printable text only) Bc4:control4_sr250:C4-SR250B03.01.54 !<
If you aren't getting the correct values, make sure your keys are correct,
and that they are entered correctly. Keep in mind bits sometimes flip when
transmitting signals wirelessly.
download file