Tags: wireshark voip 

Rating:

#### [https://waletsec.github.io/posts/2020-10-26-Callboy-Hack.lu-Writeup](https://waletsec.github.io/posts/2020-10-26-Callboy-Hack.lu-Writeup.html)
### 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:[email protected]*; To: *sip:[email protected]*]

- Click **Play stream** and **Play**

- Write down flag provided by voice synthesiser

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

### Flag

​ flag{**call_me_baby_1337_more_times**}

#### Credits

- Writeup by [mble](https://ctftime.org/user/93848)
- Solved by [Mim1r](https://ctftime.org/user/86894); [Unrooted](https://ctftime.org/user/91420); [everl0stz](https://ctftime.org/user/85858)
- WaletSec 2020

#### License

**CC BY** WaletSec + mble

Original writeup (https://waletsec.github.io/posts/2020-10-26-Callboy-Hack.lu-Writeup.html).