forked from TheRook/subbrute
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subbrute.py
executable file
·176 lines (160 loc) · 5.73 KB
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subbrute.py
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#!/usr/bin/python
import Queue
import re
import time
import optparse
import os
import signal
import sys
import dns.resolver
from threading import Thread
class lookup(Thread):
def __init__(self,input, output, domain, resolver_list=[]):
Thread.__init__(self)
self.q=input
self.output=output
self.domain=domain
self.resolver=dns.resolver.Resolver()
self.answer=False
if len(resolver_list):
self.resolver.nameservers=resolver_list
def check(self, host):
slept=0
while True:
try:
answer = self.resolver.query(host)
#i don't care about the damn period at the end!
self.answer=answer
if answer:
return True
else:
return False
except Exception as e:
if type(e) == dns.resolver.NXDOMAIN:
#not found
return False
elif type(e) == dns.resolver.NoAnswer:
if slept>5:
return False
#Hmm, we might have hit a rate limit on a resolver.
time.sleep(1)
slept+=1
#retry...
else:
#I have no idea what just happened...
raise e
def run(self):
while True:
sub=self.q.get()
if not sub:
#perpetuate the terminator for all threads to see
self.q.put(False)
self.output.put(False)
break
test=sub+"."+self.domain
if self.check(test):
self.output.put((test,str(self.answer[0])))
#Return a list of unique sub domains, sorted by frequency.
def extract_subdomains(file_name):
subs={}
file=open(file_name).read()
#Only match domains that have 3 or more sections subdomain.domain.tld
domain_match=re.compile("([a-zA-Z0-9_-]*\.[a-zA-Z0-9_-]*\.[a-zA-Z0-9_-]*)+")
f_all=re.findall(domain_match,file)
del file
for i in f_all:
if i.find(".") >=0:
p=i.split(".")[0:-1]
#gobble everything that might be a TLD
while p and len(p[-1]) <= 3:
p=p[0:-1]
#remove the domain name
p=p[0:-1]
#do we have a subdomain.domain left?
if len(p)>=1:
#print(str(p)+" : "+i)
for q in p:
if q :
if q in subs:
subs[q]+=1
else:
subs[q]=1
#Free some memory before the sort...
del f_all
#Sort by freq in desc order
subs_sorted=sorted(subs.keys(), key=lambda x: subs[x], reverse=True)
return subs_sorted
def check_resolvers(file_name):
ret=[]
resolver=dns.resolver.Resolver()
file=open(file_name).read()
for server in file.split("\n"):
resolver.nameservers=[server]
try:
resolver.query("www.google.com")
ret.append(server)
#should throw an exception before this line.
except:
pass
return ret
def exit(signum=0, frame=0):
os.kill(os.getpid(),9)
if __name__ == "__main__":
parser = optparse.OptionParser("usage: %prog [options] targetx`")
parser.add_option("-c", "--thread_count", dest="thread_count",
default=10, type="int",
help="(optional) Number of lookup theads to run, more isn't always better. default=10")
parser.add_option("-s", "--subs", dest="subs", default="subs.txt",
type="string", help="(optional) list of subdomains, default='subs.txt'")
parser.add_option("-r", "--resolvers", dest="resolvers", default="resolvers.txt",
type="string", help="(optional) A list of DNS resolvers, if this list is empty it will OS's internal resolver default='resolvers.txt'")
parser.add_option("-f", "--filter_subs", dest="filter", default="",
type="string", help="(optional) A file containing unorganized domain names which will be filtered into a list of subdomains sorted by frequency. This was used to build subs.txt.")
(options, args) = parser.parse_args()
if len(args) < 1 and options.filter=="":
parser.error("You must provie a target! Use -h for help.")
if options.filter != "":
#cleanup this file and print it out
for d in extract_subdomains(options.filter):
print d
sys.exit()
target=args[0]
#Hmm they might have a *.target dns record
star_record=False
try:
resp=dns.resolver.Resolver().query("would-never-be-a-fucking-domain-name-ever-fuck."+target)
star_record=str(resp[0])
except:
pass
input=Queue.Queue()
output=Queue.Queue()
hosts=open(options.subs).read()
for h in hosts.split("\n"):
input.put(h)
#Terminate the queue
input.put(False)
resolve_list=check_resolvers(options.resolvers)
threads=[]
signal.signal(signal.SIGINT, exit)
step_size=int(len(resolve_list)/options.thread_count)
#Split up the resolver list between the threads.
if step_size <=0:
step_size=1
step=0
for i in range(options.thread_count):
threads.append(lookup(input,output,target,resolve_list[step:step+step_size]))
threads[-1].start()
step+=step_size
if step >= len(resolve_list):
step=0
threads_remaining=options.thread_count
while True:
d=output.get()
if not d:
threads_remaining-=1
else:
if not star_record or (star_record and d[1] != star_record):
print d[0]
#make sure everyone is complete
if threads_remaining <= 0:
break