You are going to need:
- Python 3.4
- Internet Connection
- Computer with Windows or Linux
If you haven't got installed Python yet, download it from the following link: Download
Why Linux only?
We usually without them you can not ping windows, 3rd party libraries recommend using, but never did. If you use the ping command on Linux if it is below 1 Thus, if you are the host, and second. This means, Linux, ping target is successfully pinged, the ping 1 (operation completed successfully), otherwise, it gives you the error number returned. On Windows, it is more complicated. If a ping ping command you, you, even if the host is up or down, the operation is completed successfully. However, any of you, I actually do not use Windows for hacking.
Setting up
Before starting, connect to the Internet, and you will have a computer, that would be great. Get your local IPv4 address, what ports you want to scan.
Coding How to Make a Python host checker for Linux
Coding is the easy part. Begin from importing sys and socket, then, write the following code:
import os # Importing main libs
import sys
start = "" # Setting up variables
range1 = 0
range2 = 0
for carg in sys.argv: # Checking for arguments
if carg == "-s":
argnum = sys.argv.index(carg)
argnum += 1
start = sys.argv[argnum]
elif carg == "-r1":
argnum = sys.argv.index(carg)
argnum += 1
range1r = sys.argv[argnum]
range1 = int(range1r)
elif carg == "-r2":
argnum = sys.argv.index(carg)
argnum += 1
range2r = sys.argv[argnum]
range2 = int(range2r)
print ("[*] Host Scanner launched!") # Informs user about initialize
if start == "": # Checks if all the information is provided
print ("[E] No host provided")
elif range1 == 0:
print ("[E] No range1 provided")
elif range2 == 0:
print ("[E] No range2 provided")
else:
if range1 > range2:
count = range1 - range2
elif range1 < range2:
count = range2 - range1
for ccount in range(range1, range2): # Counts the IP range to ping
target = start + "." + str(ccount)
response = os.system("ping " + target + " 2>&1 >/dev/null") # Sets response to ping
if response == 0: # Reads response, checks if it is 0
err = 0 # sets err to 0
else:
err = 1 # sets err to 1
if err == 0: # when err is equal to 0
print ("[+] " + target + " is up!") # Informs user about hosts that are up
Code should look like this (comments are cut, do not worry):
So, that is pretty easy. The end perimeters in the ping command suppresses the commands output. So, save the file, run it from terminal and test this out!
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