Here are several different ways to test a TCP port without telnet.
BASH (man page)
$ cat < /dev/tcp/127.0.0.1/22
SSH-2.0-OpenSSH_5.3
^C
$ cat < /dev/tcp/127.0.0.1/23
| # PowerView's last major overhaul is detailed here: http://www.harmj0y.net/blog/powershell/make-powerview-great-again/ | |
| # tricks for the 'old' PowerView are at https://gist.github.com/HarmJ0y/3328d954607d71362e3c | |
| # the most up-to-date version of PowerView will always be in the dev branch of PowerSploit: | |
| # https://github.com/PowerShellMafia/PowerSploit/blob/dev/Recon/PowerView.ps1 | |
| # New function naming schema: | |
| # Verbs: | |
| # Get : retrieve full raw data sets | |
| # Find : ‘find’ specific data entries in a data set |
Here are several different ways to test a TCP port without telnet.
$ cat < /dev/tcp/127.0.0.1/22
SSH-2.0-OpenSSH_5.3
^C
$ cat < /dev/tcp/127.0.0.1/23