vnak combines a number of attacks against multiple protocols in to one easy to use Python tool. Its aim is to be the one tool a user needs to attack multiple VoIP protocols. The following VoIP protocols and attacks are currently supported by vnak:

IAX - Authentication Downgrade, Known Authentication Challenge, Call Hangup, Call Hold/Quelch, Registration Reject
H.323 - Registration Reject
SIP - Registration Reject, Call Reject, Known Authentication Challenge

Prerequisites: Linux/Python

Downloads:vnak