nxc ssh: add page (#13238)

* nxc-ssh: add page

* fix tailing newline

* Update pages/common/nxc-ssh.md

Co-authored-by: spageektti <git@spageektti.cc>

---------

Co-authored-by: spageektti <git@spageektti.cc>

pages/common/nxc-ssh.md

@@ -0,0 +1,25 @@
+# nxc ssh
+
+> Pentest and exploit SSH servers.
+> See also: `hydra`.
+> More information: <https://www.netexec.wiki/ssh-protocol>.
+
+- Spray the specified [p]assword against a list of [u]sernames on the specified target:
+
+`nxc ssh {{192.168.178.2}} -u {{path/to/usernames.txt}} -p {{password}}`
+
+- Search for valid credentials by trying out every combination in the specified lists of [u]sernames and [p]asswords:
+
+`nxc ssh {{192.168.178.2}} -u {{path/to/usernames.txt}} -p {{path/to/passwords.txt}}`
+
+- Use the specified private key for authentication, using the supplied [p]assword as the key's passphrase:
+
+`nxc ssh {{192.186.178.2}} -u {{path/to/usernames.txt}} -p {{password}} --key-file {{path/to/id_rsa}}`
+
+- Try a combination of [u]sername and [p]assword on a number of targets:
+
+`nxc ssh {{192.168.178.0/24}} -u {{username}} -p {{password}}`
+
+- Check for `sudo` privileges on a successful login:
+
+`nxc ssh {{192.168.178.2}} -u {{username}} -p {{path/to/passwords.txt}} --sudo-check`