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VIPROY – VoIP Pen-Test Kit for Metasploit Framework


Viproy Voip Pen-Test Kit provides penetration testing modules for VoIP networks. It supports signalling analysis for SIP and Skinny protocols, IP phone services and network infrastructure. Viproy 2.0 is released at Blackhat Arsenal USA 2014 with TCP/TLS support for SIP, vendor extentions support, Cisco CDP spoofer/sniffer, Cisco Skinny protocol analysers, VOSS exploits and network analysis modules. Furthermore, Viproy provides SIP and Skinny development libraries for custom fuzzing and analyse modules.

Current testing modules:

  • SIP Register
  • SIP Invite
  • SIP Message
  • SIP Negotiate
  • SIP Options
  • SIP Subscribe
  • SIP Enumerate
  • SIP Brute Force
  • SIP Trust Hacking
  • SIP UDP Amplification DoS
  • SIP Proxy Bounce
  • Skinny Register
  • Skinny Call
  • Skinny Call Forward
  • VOSS Call Forwarder (September 2014)
  • VOSS Speed Dial Manipulator (September 2014)
  • MITM Proxy TCP
  • MITM Proxy UDP
  • Cisco CDP Spoofer

Software modules consist of options, register, invite, enumerator, brute force, trust analyzer and SIP proxy, you can set target networks and port numbers. Before carrying out any attack you should fingerprint and enumerate SIP services first, after that you should register with the server and start intercepting, making calls or create havoc at will.

Viproy VoIP penetration tests include targeting a local client address and port, discovering SIP services with valid credentials, setting username and password in Asterisk PBX, issuing direct invites and spoofing without credentials, enumerating all users, launching a denial of service to all valid users so that nobody can accept calls and brute forcing a target account or numeric range using a dictionary list to test users password strength.

Installation – Metasploit Github Edition

Copy “lib”, “modules” and “data” folders’ content to Metasploit Root “/” Directory.
Mixins.rb file (lib/msf/core/auxiliary/mixins.rb) should contain the following lines
require ‘msf/core/auxiliary/sip’
require ‘msf/core/auxiliary/skinny’

Viproy @ BlackHat USA 2014

More info can be found at:


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