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Kerberos Domain User Enumeration

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Kerberos Domain User Enumeration



This module will enumerate valid Domain Users via Kerberos from an unauthenticated perspective. It utilizes the different responses returned by the service for valid and invalid users.


  • Matt Byrne <attackdebris@gmail.com>
  • alanfoster
  • sjanusz-r7


Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':

msf > use auxiliary/gather/kerberos_enumusers
msf auxiliary(kerberos_enumusers) > show actions
msf auxiliary(kerberos_enumusers) > set ACTION < action-name >
msf auxiliary(kerberos_enumusers) > show options
    ...show and set options...
msf auxiliary(kerberos_enumusers) > run 

Time is precious, so I don’t want to do something manually that I can automate. Leveraging the Metasploit Framework when automating any task keeps us from having to re-create the wheel as we can use the existing libraries and focus our efforts where it matters.

– Jim O’Gorman | President, Offensive Security