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kerberoast /rc4opsec Mode does not support alternate credentials #32

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whoot opened this issue Sep 30, 2019 · 0 comments
Open

kerberoast /rc4opsec Mode does not support alternate credentials #32

whoot opened this issue Sep 30, 2019 · 0 comments

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@whoot
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whoot commented Sep 30, 2019

Please add the support for alternate credentials when performing /rc4opsec mode on kerberoast.

This is not supported atm and Rubeus tries to get a TGT for the current user instead:

.\Rubeus.exe kerberoast /rc4opsec /format:hashcat /creduser:example.com\demo /credpassword:Password123 /dc:192.168.0.38 /domain:example.com


[*] Action: Kerberoasting

[*] Using 'tgtdeleg' to request a TGT for the current user

  [X] Error 1355 retrieving domain controller : Die angegebene Domäne ist nicht vorhanden, oder es konnte keine Verbindung hergestellt werden
[X] Error retrieving current domain controller

[!] Unhandled Rubeus exception:

System.NullReferenceException: Der Objektverweis wurde nicht auf eine Objektinstanz festgelegt.
   bei Asn1.AsnElt.Decode(Byte[] buf, Boolean exactLength)
   bei Rubeus.KRB_CRED..ctor(Byte[] bytes)
   bei Rubeus.Roast.Kerberoast(String spn, String userName, String OUName, String domain, String dc, NetworkCredential cred, String outFile, KRB_CRED TGT, Boolean useTGTdeleg, String supportedEType, String pwdSetAfter, String pwdSetBefore, Int32 resultLimit)
   bei Rubeus.Commands.Kerberoast.Execute(Dictionary`2 arguments)
   bei Rubeus.Domain.CommandCollection.ExecuteCommand(String commandName, Dictionary`2 arguments)
   bei Rubeus.Program.Main(String[] args)
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