2020-10-26-Callboy-Hack.lu-Writeup

Posted on October 26, 2020

Callboy solution

You will need

  • Wireshark
  • Challenge files

Solution

  • Open Callboy.pcapng file from challenge files in Wireshark

  • Go to Telephony and VoIP Calls

  • Select first and the only call that is there

    [Initial Speaker: 10.13.37.1; From: sip:p4ck3t0@192.168.188.83; To: sip:p4ck3t0@10.13.37.86]

  • Click Play stream and Play

  • Write down flag provided by voice synthesiser

    Transcription: The flag is call _ me _ baby _ 1337 _ more _ times

Flag

‚Äč flag{call_me_baby_1337_more_times}

Credits

License

CC BY 4.0 WaletSec + mble