Land IP denial of service.

The PATH in Windows NT includes the current working directory (.), which could allow local users to gain privileges by placing Trojan horse programs with the same name as commonly used system programs into certain directories.

Listening TCP ports are sequentially allocated, allowing spoofing attacks.

Windows 95/NT out of band (OOB) data denial of service through NETBIOS port, aka WinNuke.

Denial of service in Windows NT DNS servers by flooding port 53 with too many characters.

Access violation in LSASS.EXE (LSA/LSARPC) program in Windows NT allows a denial of service.

A version of finger is running that exposes valid user information to any entity on the network.

Denial of service in RPCSS.EXE program (RPC Locator) in Windows NT.

Windows NT RSHSVC program allows remote users to execute arbitrary commands.

Denial of service in Windows NT DNS servers through malicious packet which contains a response to a query that wasn't made.

A Windows NT 4.0 user can gain administrative rights by forcing NtOpenProcessToken to succeed regardless of the user's permissions, aka GetAdmin.

NETBIOS share information may be published through SNMP registry keys in NT.

A Windows NT local user or administrator account has a guessable password.

A Windows NT local user or administrator account has a default, null, blank, or missing password.

IP forwarding is enabled on a machine which is not a router or firewall.

A NETBIOS/SMB share password is the default, null, or missing.

A Windows NT user has inappropriate rights or privileges, e.g. Act as System, Add Workstation, Backup, Change System Time, Create Pagefile, Create Permanent Object, Create Token Name, Debug, Generate Security Audit, Increase Priority, Increase Quota, Load Driver, Lock Memory, Profile Single Process, Remote Shutdown, Replace Process Token, Restore, System Environment, Take Ownership, or Unsolicited Input.

A Windows NT account policy for passwords has inappropriate, security-critical settings, e.g. for password length, password age, or uniqueness.

The registry in Windows NT can be accessed remotely by users who are not administrators.

.reg files are associated with the Windows NT registry editor (regedit), making the registry susceptible to Trojan Horse attacks.