portscanner.py

#Python logic for portscanner. Just plug in a wee bit of scapy and it should work like a charm.
#I golfed down some of the CIDER stuff, but it could use more.
#(c)mastahyeti

import argparse
import random

default_sport = [80,443,123]
default_saddr = ["192.168.1.1"]
def parse_list(string):
if not string:
return string
elif not not string.count('-'):
if string.count('.'):
raise Exception("Please specify IP address ranges using CIDR (192.168.0.1/24)")
r = [int(i) for i in string.split('-')]
output = range(r[0],r[1]+1)
elif not not string.count(','):
try:
output = [int(i) for i in string.split(',')]
except ValueError:
output = [parse_list(i) for i in string.split(',')]
elif string.count('/'):
addr,mask = string.split('/')
netmask = (2**int(mask)-1) << (32 - int(mask))
wildcardmask = netmask ^ 2**32-1
addr = [int(i) for i in addr.split('.')]
int_addr = 0
for i in range(0,4):
int_addr += addr[i] << ((3-i)*8)
int_output = [(int_addr & netmask) + i for i in range(0,wildcardmask+1)]
output = ['.'.join([str(int_addr >> (3-x) * 8 & 0xFF) for x in range(0,4)]) for int_addr in int_output]
else:
output = [int(string)]
return output

if __name__ == "__main__":
dest = []
src = []
dports=[]
sports=[]
parser = argparse.ArgumentParser(description = 'Scan some ports... Fuck some IDSs')
parser.add_argument('-s',metavar='source_ip',help='IP Address(es) to scan from (single, comma separated list, or slash notated CIDR address)',required=True)
parser.add_argument('-d',metavar='destination_ip',help='IP Address(es) to scan (single, comma separated list, or slash notated CIDR address)',required=True)
parser.add_argument('-S',metavar='source_ports',help='TCP port(s) to scan from (single, comma separated, or range in form 80-120)')
parser.add_argument('-D',metavar='destination_ports',help='TCP port(s) to scan (single, comma separated, or range in form 80-120)',required=True)
args = parser.parse_args()
saddr = parse_list(args.s)
saddr = saddr if saddr else default_saddr
daddr = parse_list(args.d)
sport = parse_list(args.S)
sport = sport if sport else default_sport
dport = parse_list(args.D)

for da in daddr:
for dp in dport:
sa = saddr[random.randint(0,len(saddr)-1)]
sp = sport[random.randint(0,len(sport)-1)]
print "\
Source Address: %s\n\
Source Port: %d\n\
Destination Address: %s\n\
Destination Port: %d\n\n"%\
(sa,\
sp,\
da,\
dp)