V

Vanquish rootkit, 640

vector map services, 423

VeriSign signature, 576

VICE tool, 644

Vidstrom, Arne, 106

virtual LANs. See VLANs

Virtual Network Computing. See VNC

Virtual Private Networks. See VPNs

virtual root directories, 171

virtual terminal ports, 364-365

viruses, 634-639. See also worms

back doors, 636-639

described, 634

MyDoom, 589, 635

overview, 634-639

rootkits, 636-639

secondary infections via bots, 641

VisualRoute, 39

VLAN headers, 377-378

VLAN jumping, 377-378

VLAN management domains, 381

VLAN Management Policy Server (VMPS), 378

VLAN Trunking Protocol (VTP), 381

VLANs (virtual LANs), 341-344, 376-378

VMPS (VLAN Management Policy Server), 378

VNC (Virtual Network Computing), 188-190

VNCHooks.dll file, 193

vncviewer, 189

voice over IP (VoIP) attacks, 339-345

Voicemail Box Hacker program, 330

voicemail hacking, 330-335

VoIP (voice over IP) attacks, 339-345

vomit tool, 344

VPNs (virtual private networks)

hacking, 9, 335-339

PPTP, 159-160, 336-339

remote access via, 9, 214

VrACK program, 330

VRFY command, 83-84, 219, 237

VTP (VLAN Trunking Protocol), 381

VTP domains, 381

vty ports, 362

vulnerabilities

BGP packet injection, 400-403

misconfiguration, 386-393

network devices, 351-405

SQL, 209

vulnerability mapping, 212-213