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Save Kerberos tickets in the MSF cache upon a successful login #18421
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cdelafuente-r7
merged 1 commit into
rapid7:master
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smashery:save_brute_force_krb_tickets
Oct 23, 2023
Merged
Save Kerberos tickets in the MSF cache upon a successful login #18421
cdelafuente-r7
merged 1 commit into
rapid7:master
from
smashery:save_brute_force_krb_tickets
Oct 23, 2023
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Thanks @smashery ! It looks good to me. I tested against Windows Server 2019 as a DC and follow the verification steps. I'll go ahead and land it. Example output
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Release NotesThis adds the capability to store the TGT ticket in the MSF kerberos cache when a successful Kerberos login is received by the |
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When we receive a successful Kerberos login (in the
kerberos_login
brute force module), we have an opportunity to cache the ticket. This is particularly helpful when a brute force is detected by a defender, and a user changes a user's password, because the ticket may still be valid until it expires. It also reduces the amount of interaction required with the DC in future.Verification
List the steps needed to make sure this thing works
msfconsole
klist -d
use kerberos_login
klist
)winrm_cmd
). Ensure that the TGT is used (do not provide the user's password in the command, and verify that the log shows the cached ticket being used)kerberos_login
module, run the command against an account with pre-auth not-required