✅ WARMUPS - Dialtone

Writeup by: @goproslowyo

Tags

• easy

Files:

• dialtone.wav

Description

Author: @JohnHammond#6971

Well would you listen to those notes, that must be some long phone number or something! Download the file(s) below.

Writeup

Used http://dialabc.com/sound/detect/index.html to get the key presses.

Got 13040004482820197714705083053746380382743933853520408575731743622366387462228661894777288573

Used https://www.mobilefish.com/services/big_number/big_number.php to convert from BigInt to Hex

666C61677B36633733336566303962633466326134333133666636333038376532356436377D

Use CyberChef to convert from hex to ascii

flag{6c733ef09bc4f2a4313ff63087e25d67}