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NetworkScanner.py
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import sys
import socket
import threading
import time
usg1 = "python NetworkScanner.py <TARGET> <START_PORT> <END_PORT>" # scan_1
usg2 = "python NetworkScanner.py <TARGET> <PORT>" # scan_2
usg3 = "python NetworkScanner.py <TARGET>" # scan_3
print(" ██████╗ ██╗ ██╗███╗ ██╗███╗ ██╗██╗ ██╗ ██╗███████╗ ███████╗ ██████╗ █████╗ ███╗ ██╗███╗ ██╗██╗███╗ ██╗ ██████╗ ")
print(" ██╔══██╗██║ ██║████╗ ██║████╗ ██║╚██╗ ██╔╝ ██║██╔════╝ ██╔════╝██╔════╝██╔══██╗████╗ ██║████╗ ██║██║████╗ ██║██╔════╝ ")
print(" ██████╔╝██║ ██║██╔██╗ ██║██╔██╗ ██║ ╚████╔╝ ██║███████╗ ███████╗██║ ███████║██╔██╗ ██║██╔██╗ ██║██║██╔██╗ ██║██║ ███╗ ")
print(" ██╔══██╗██║ ██║██║╚██╗██║██║╚██╗██║ ╚██╔╝ ██║╚════██║ ╚════██║██║ ██╔══██║██║╚██╗██║██║╚██╗██║██║██║╚██╗██║██║ ██║ ")
print(" ██████╔╝╚██████╔╝██║ ╚████║██║ ╚████║ ██║ ██║███████║ ███████║╚██████╗██║ ██║██║ ╚████║██║ ╚████║██║██║ ╚████║╚██████╔╝ ")
print(" ╚═════╝ ╚═════╝ ╚═╝ ╚═══╝╚═╝ ╚═══╝ ╚═╝ ╚═╝╚══════╝ ╚══════╝ ╚═════╝╚═╝ ╚═╝╚═╝ ╚═══╝╚═╝ ╚═══╝╚═╝╚═╝ ╚═══╝ ╚═════╝ ")
def ScanPortInRange(): # scanning in range,given by the user
start_time = time.time()
if len(sys.argv) != 4:
print(usg1)
sys.exit()
try:
target = socket.gethostbyname(sys.argv[1])
except socket.gaierror:
print("Error Occurred")
sys.exit()
start_port = int(sys.argv[2])
end_port = int(sys.argv[3])
print("Target: {}".format(target))
print("scanning process is started...")
# scanning port
def scan_port_1(port):
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.settimeout(1.5)
con = s.connect_ex((target, port))
if not con:
print("[#] Port is open {}".format(port))
s.close()
for Port in range(start_port, end_port + 1):
t = threading.Thread(target=scan_port_1, args=(Port,))
t.start()
end_time = time.time()
print("Time Taken: ", end_time - start_time)
sys.exit()
def ScanAllPorts(): # all ports are scanned
start_time = time.time()
if len(sys.argv) != 2:
print(usg3)
sys.exit()
try:
target = socket.gethostbyname(sys.argv[1])
except socket.gaierror:
print("Error Occurred")
sys.exit()
start_port = 1
end_port = 65535
print("Target: {}".format(target))
print("scanning process is started...")
def scan_port_2(port):
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.settimeout(1.5)
con = s.connect_ex((target, port))
if not con:
print("[#] Port is open {}".format(port))
s.close()
for Port in range(start_port, end_port + 1):
t = threading.Thread(target=scan_port_2, args=(Port,))
t.start()
end_time = time.time()
print("Time Taken: ", end_time - start_time)
sys.exit()
def ScanOnePort():
start_time = time.time()
if len(sys.argv) != 3:
print(usg2)
sys.exit()
try:
target = socket.gethostbyname(sys.argv[1])
except socket.gaierror:
print("Error Occurred")
sys.exit()
print("Target: {}".format(target))
print("scanning process is started...")
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.settimeout(2.5)
con = s.connect_ex((target, int(sys.argv[2])))
if not con:
print("[#] Port is open {}".format(sys.argv[2]))
else:
print("[#] Port is closed".format(sys.argv[2]))
s.close()
end_time = time.time()
print("Time Taken: ", end_time - start_time)
sys.exit()
while True:
if len(sys.argv) == 4:
ScanPortInRange()
elif len(sys.argv) == 2:
ScanAllPorts()
elif len(sys.argv) == 3:
ScanOnePort()
else:
print("Format: " + usg1)
print("Format: " + usg2)
print("Format: " + usg3)
break