Port scanner and banner grabber – Python

Port scanner and banner grabber:

ping scanner and port banners
    The software can perform:
    – Test ip-is-online
    – Checking whether the port is open at the IP-online
    – If an open port system shows banner
    – The system exports data file with all of the scan

    You can enter at the Ip, ip / sider, ip-range, http
    You can enter a list of ports, port manually or scan the list of ports are recommended.
    You can select the file name to export the data or the system automatically saves

Used: import sys , socket , getopt , subprocess
from scapy.all import *
from netaddr import *
from datetime import datetime

To copy or see all commands you can click on Details button below

#!/usr/bin/python

”’
author: Hopeless
task: ping scanner and port banners
The software can perform:
– Test ip-is-online
– Checking whether the port is open at the IP-online
– If an open port system shows banner
– The system exports data file with all of the scan

You can enter at the Ip, ip / sider, ip-range, http
You can enter a list of ports, port manually or scan the list of ports are recommended.
You can select the file name to export the data or the system automatically saves

”’
import sys, socket , getopt ,subprocess
from scapy.all import *
from netaddr import *
from datetime import datetime

# clear the screen
subprocess.call(‘clear’,shell=True)
socket.setdefaulttimeout(2)
TIMEOUT = 2
conf.verb = 0
portlist = [20,21,22,25,3389,80,443]
argv = sys.argv[1:]
subnet = []
output = ‘save.txt’
answers = []
liveIPs = []

#Checking what has been entered
try:
opts,args = getopt.getopt(argv,’hi:p:o:’)
except getopt.GetoptError:
print ‘portscanner.py -i ip/sider or ip-range or http \nfor more exmple use : portscanner.py -h’
sys.exit(2)
for option,arg in opts:
if option in ‘-h’:
print ‘\nexmple:’
print ‘portscanner.py -i 10.0.0.1/24 or 10.0.0.1-15 or http://www.ynet.co.il \n’
print ‘-p 20,22,100,101 \n(if this option is not selected, automatically are who chose the recommended port)\n’
print ‘-o save.txt \n(if this option is not selected, automatically this file save in save.txt)\n’
print ‘for exmple:\nportscanner.py -i 10.0.0.1-3 -p 22,3389 -o ports.txt’
sys.exit()
if option in ‘-i’:
subnet = arg
elif option in ‘-o’:
output = arg
elif option in (‘-p’):
portadd = []
portcheck = arg.split(‘,’)
for portsplit in portcheck:
portadd.append(int(portsplit))
portlist = portadd
else:
print ‘portscanner.py -i ip/sider or ip-range or http \nfor more exmple use : portscanner.py -h’
sys.exit()

#checks if ip/sider or ip-range or http
if subnet:
try:
subnet = IPNetwork(subnet)
except Exception, e:
if ‘-‘ in subnet:
ipall =[]
subnet = subnet.split(‘-‘)
ipfirst = subnet[0]
ips = ipfirst.split(‘.’)
iptmp = ips[0]+’.’+ips[1]+’.’+ips[2]+’.’
for i in range(int(ips[3]),(int(subnet[1])+1)):
ip = iptmp+str(i)
ipall.append(ip)
subnet = ipall
elif subnet[0].isalpha():
subnethost = socket.gethostbyname(arg)
subnet = IPNetwork(subnethost)
else:
print ‘bad ip or url , for help (portscanner.py -h)’
sys.exit()

while not subnet:
print ‘portscanner.py -i ip/sider or ip-range or http’
print ‘for exmple:\nportscanner.py -i 10.0.0.1-3 -p 22,3389 -o ports.txt’
print ‘for more exmple use : portscanner.py -h’
sys.exit(2)

# Checking reply address from ip
def isAlive(ip):
ppkt = IP(dst=ip,ttl=64)/ICMP()
# this will recieve the answer (if…)
reply = sr1(ppkt,timeout=TIMEOUT)
# check if answered
if not (reply is None):
print reply[IP].src, ‘[+] is online’
liveIPs.append(reply[IP].src)
else:
print ip,'[-] timed out’

return liveIPs

#Checking reply port, if it gives banner
def getBanner(ip,portlist):
for port in portlist:
try:
s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
result = s.connect_ex((ip,port))
if result ==0:
ans = s.recv(1024)
print “Port {}: Open”.format(port)
print ‘found ->’,’ip:’, ip, ‘port:’,port, ‘banner:’, str(ans)
answ =’ip:’, ip, ‘port:’,port, ‘banner:’, str(ans)
answers.append(answ)
s.close()
except Exception, e:
print ‘bad port’,port,’, please try again…’
pass
s.close()

# main func
if __name__ == ‘__main__’:
# Check the time at started
t1 = datetime.now()
#Loop ip-live from the address entered
for ip in subnet:
alive = isAlive(str(ip))
#Loop banner from addresses are available
for ip in liveIPs:
banners = getBanner(ip,portlist)
# Saves the file
save = open(output,”w”)
save.write(str(answers))
save.close()

# Checking the time again
t2 = datetime.now()
# Calculates the difference of time
total = t2 – t1
print ‘scanning completed in:’,total

exmple:
(use with sudo)

hopeless@ubuntu:~/python$ sudo ./portscanner.py -i 172.16.14.0/24 -p 20,21,22

---

Source code …
portscanner.py

• Home
• python