A penetration tester writes the following script to enumerate a 1724 network:
1 #!/bin/bash
2 for i in {1..254}; do
3 ping -c1 192.168.1.$i
4 done
The tester executes the script, but it fails with the following error:
-bash: syntax error near unexpected token `ping'
Which of the following should the tester do to fix the error?

Question

A penetration tester writes the following script to enumerate a 1724 network:

1 #!/bin/bash

2 for i in {1..254}; do

3 ping -c1 192.168.1.$i

4 done

The tester executes the script, but it fails with the following error:

-bash: syntax error near unexpected token `ping'

Which of the following should the tester do to fix the error?

Soli Rash · Accepted Answer

Add do after line 2.

Soli Rash · Answer

Replace {1..254} with $(seq 1 254).

Soli Rash · Answer

Replace bash with tsh.

Soli Rash · Answer

Replace $i with ${i}.

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