Null Sessions
Checking if Null Session is enabled on the network, can be very useful on a Domain Controller to enumerate users, groups, password policy etc
#~ cme smb 10.10.10.161 -u '' -p ''
#~ cme smb 10.10.10.161 --pass-pol
#~ cme smb 10.10.10.161 --users
#~ cme smb 10.10.10.161 --groups
You can also reproduce this behavior with smbclient or rpcclient
Example
Forest or Monteverde machines are good examples to test null session authentication with CrackMapExec
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