#!/usr/bin/python
import socket
import select
import sys
if len(sys.argv)!=4:
    print "Usage - ./banner_grab.py [Target-IP] [First Port] [Last Port]"
    print "Example - ./banner_grab.py 10.1.131.62 1 100"
    print "Example will grab banners for TCP ports 1 through 100 on 10.1.131.62"
    sys.exit()
ip = sys.argv[1]
start = int(sys.argv[2])
end = int(sys.argv[3])
for port in range(start,end):
    try:
        bangrab = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
        bangrab.connect((ip,port))
        ready = select.select([bangrab],[],[],1)
        if ready[0]:
            print "TCP Port " + str(port) + "-" + bangrab.recv(4096)
            bangrab.close()
    except:
        pass