creating a quick python scanner

python/quick_scanner.py

@@ -0,0 +1,56 @@
+#!/usr/bin/python
+# Author: Omar Santos @santosomar
+# version 1.0
+# This is a quick demonstration on how to create a
+# basic TCP port scanner using python.
+#####################################################################
+
+
+import socket, subprocess,sys
+
+subprocess.call('clear',shell=True)
+
+print '''\t
+   ___  __  __   _   ___ _ ___
+  / _ \|  \/  | /_\ | _ ( ) __|
+ | (_) | |\/| |/ _ \|   //\__ \
+  \___/|_| _|_/_/_\_\_|_\ |___/
+ | |  |_ _|_   _|_   _| |  | __|
+ | |__ | |  | |   | | | |__| _|
+ |____|___| |_|  _|_| |____|___|__
+ / __|/ __| /_\ | \| | \| | __| _ \\
+ \__ \ (__ / _ \| .` | .` | _||   /
+ |___/\___/_/ \_\_|\_|_|\_|___|_|_\\
+
+'''
+
+target_ip = raw_input("\t Please enter the IP address of the target host:")
+port_1 = int(raw_input("\t Enter the first port to scan:\t"))
+port_2 = int (raw_input("\t Enter the last port to scan:\t"))
+print "~"*50
+print "\n ...scanning target now. ",target_ip
+print "~"*50
+
+try:
+  for port in range(port_1,port_2):
+    sock= socket.socket(socket.AF_INET,socket.SOCK_STREAM)
+    socket.setdefaulttimeout(1)
+
+    result = sock.connect_ex((target_ip,port))
+    if result==0:
+      print "Found open port:\t", port
+    sock.close()
+
+except KeyboardInterrupt:
+  print "[!] Scan stopped by user... "
+  sys.exit()
+
+except socket.gaierror:
+  print "[!] The target's hostname could not be resolved..."
+  sys.exit()
+
+except socket.error:
+  print "[!] Target is unreachable..."
+  sys.exit()
+
+print "The scan is complete. Happy hacking!"