A penetration tester writes the following script:
Which of the following is the tester performing?
Searching for service vulnerabilities
Trying to recover a lost bind shell
Building a reverse shell listening on specified ports
Scanning a network for specific open ports
-z zero-I/O mode [used for scanning]
-v verbose
example output of script:
10.0.0.1: inverse host lookup failed: Unknown host
(UNKNOWN) [10.0.0.1] 22 (ssh) open
(UNKNOWN) [10.0.0.1] 23 (telnet) : Connection timed out
https://unix.stackexchange.com/questions/589561/what-is-nc-z-used-for
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