AckCmd is a backdoor client/server combination that can establish contact from the outside through some firewalls (static packet filtering) although they are set up to deny connections from the outside. This way AckCmd will give you a Command Prompt to the target system remotely.
DelGuest deletes the built-in Guest account in Windows NT. This is impossible to do from the ordinary user interface and before DelGuest there was no tool that could do it. Now you can choose to completely delete the Guest account instead of only disable it and/or rename it.
SMB Downgrade Attacker
Fake SMB server that tries a dialect downgrade to get plaintext passwords from remote users.
A DLL that works like passfilt.dll, but enforces some extra password policies to make it harder for password crackers like L0phtcrack to crack LANMAN hashes of the passwords.