Hands-On Red Team Tactics

Questions

1. Are there any other exploitation techniques to get access into Domain Controller?
2. What if bypassuac_eventvwr module doesn't work? How can we escalate the privileges without this module?
3. Will DeathStar always be able to retrieve the Domain Admin's credentials?
4. Is there a workaround if the mimikatz module doesn't work?
5. Is it necessary to have access to domain user account for domain controller enumeration?