def __init__(self, iface=None, type=ETH_P_ALL, filter=None, nofilter=0):
if iface is None:
iface = conf.iface
self.iface = iface
self.ins = open_pcap(iface, 1600, 0, 100)
try:
ioctl(self.ins.fileno(), BIOCIMMEDIATE, struct.pack("I", 1))
except:
pass
if nofilter:
if type != ETH_P_ALL: # PF_PACKET stuff. Need to emulate this for pcap
filter = "ether proto %i" % type
else:
filter = None
else:
if conf.except_filter:
if filter:
filter = "(%s) and not (%s)" % (filter, conf.except_filter)
else:
filter = "not (%s)" % conf.except_filter
if type != ETH_P_ALL: # PF_PACKET stuff. Need to emulate this for pcap
if filter:
filter = "(ether proto %i) and (%s)" % (type, filter)
else:
filter = "ether proto %i" % type
if filter:
self.ins.setfilter(filter)
self.outs = dnet.eth(iface)
def Process(self):
while 1:
try:
# данные
pktData = '00000001' + ''.join(packetBody(42))
# генерируем ethernet фрейм
self.sPkt = dpkt.ethernet.Ethernet(dst="cf0000000000".decode('hex'),
src=''.join(self.Mac.split(':')).decode('hex'),
type=36864,data=pktData.decode('hex'))
# расчет времени ожидания
endTime = time.time() + self.timeout
print "Send packet to %s" % self.iface
# количество отправленных пакетов
self.packetCount += 1
# отправка сгенерированного фрейма
hw = dnet.eth(self.iface)
hw.send(str(self.sPkt))
# количество полученных пакетов
self.packetReceived = 0
# пока не вышло время ожидания
while time.time() < endTime:
try:
# пробуем получить пакет
# и проверяем на соответствие ранее отправленному
self.pcaper.dispatch(-1,self.Capture)
except socket.timeout:
pass
# Если было получено более одного пакета
if self.packetReceived > 1:
# Увеличиваем счетчик и информируем об этом
self.loopCount += 1
print "Loop Detected. Duplication found %s" % self.packetReceived
except KeyboardInterrupt:
break
print "Packets sent: ", self.packetCount , "Loops discovered : " , self.loopCount
def __init__(self, interface):
threading.Thread.__init__(self)
self.interface = interface
self.sem = threading.Semaphore()
self.running = True
self.eth = dnet.eth(interface)
self.out = None
def __init__(self, f=None, name=''):
self.minSize = self.maxSize = False # These remain False until set
self.clipboard = [] # Our buffer for yanking and pasting
self.packets = [] # Our list of packets
self.fName = name
self.dataLink = pcap.DLT_EN10MB # Our default datalink
# Set our default ethernet device
# TODO: Need more OS's here
if(os.getuid() or os.geteuid()):
self.ifName = None
else:
osType = os.uname()[0].lower()
if(osType == "openbsd"):
self.ifName = "em0"
elif(osType == "linux"):
self.ifName = "eth0"
else:
self.ifName = "hme0" # Old skool Solaris
self.iface = dnet.eth(self.ifName)
if(f):
self.read(f) # Read in and initialize capture
else:
self.packets.append(packet.Packet(self.dataLink, time.time(), defaultPacket, 1))
def bring_it_down(iface="en0", spam_packet='HOST:all|GET:spam'):
datalink = dnet.eth(iface)
h = datalink.get().encode('hex_codec')
mac = ':'.join([h[i:i+2] for i in range(0, len(h), 2)])
print 'Interface: %s\nMAC Address: %s\nPayload: %s' % (iface, mac, spam_packet)
while True:
datalink.send(spam_packet)
def __init__(self,
iface=None,
type=ETH_P_ALL,
filter=None,
nofilter=0):
if iface is None:
iface = conf.iface
self.iface = iface
self.ins = open_pcap(iface, 1600, 0, 100)
try:
ioctl(self.ins.fileno(), BIOCIMMEDIATE, struct.pack("I", 1))
except:
pass
if nofilter:
if type != ETH_P_ALL: # PF_PACKET stuff. Need to emulate this for pcap
filter = "ether proto %i" % type
else:
filter = None
else:
if conf.except_filter:
if filter:
filter = "(%s) and not (%s)" % (filter,
conf.except_filter)
else:
filter = "not (%s)" % conf.except_filter
if type != ETH_P_ALL: # PF_PACKET stuff. Need to emulate this for pcap
if filter:
filter = "(ether proto %i) and (%s)" % (type, filter)
else:
filter = "ether proto %i" % type
if filter:
self.ins.setfilter(filter)
self.outs = dnet.eth(iface)
def bring_it_down(iface="en4", spam_packet="HOST:all|GET:spam"):
datalink = dnet.eth(iface)
h = datalink.get().encode("hex_codec")
mac = ":".join([h[i : i + 2] for i in range(0, len(h), 2)])
print "Interface: %s\nMAC Address: %s\nPayload: %s" % (iface, mac, spam_packet)
while True:
datalink.send(spam_packet)
def __init__(self, interface):
threading.Thread.__init__(self)
self.interface = interface
self.sem = threading.Semaphore()
self.running = True
self.eth = dnet.eth(interface)
self.out = None
def bring_it_down(iface="en0", spam_packet='HOST:all|GET:spam'):
datalink = dnet.eth(iface)
h = datalink.get().encode('hex_codec')
mac = ':'.join([h[i:i + 2] for i in range(0, len(h), 2)])
print 'Interface: %s\nMAC Address: %s\nPayload: %s' % (iface, mac,
spam_packet)
while True:
datalink.send(spam_packet)
def setInterface(self, name):
name = name.strip()
if(os.getuid() or os.geteuid()):
return "Error:Requires root access"
try:
iface = dnet.eth(name)
except:
return "Error:Interface does not exist"
try:
iface.get()
except:
return "Error:Interface has no MAC"
self.ifName = name
self.iface = dnet.eth(self.ifName)
def update_devices(self):
self.devices = {}
devs = pcap.findalldevs()
for (name, descr, addr, flags) in devs:
try:
test = dnet.eth(name)
mac = test.get()
self.devices[name] = {
'mac': mac,
'ip4': [],
'ip6': [],
'descr': descr,
'flags': flags
}
except:
pass
else:
if len(addr) > 1:
for (ip, mask, net, gw) in addr:
try:
dnet.ip_aton(ip)
addr_dict = {}
addr_dict['ip'] = ip
addr_dict['mask'] = mask
addr_dict['net'] = net
addr_dict['gw'] = gw
self.devices[name]['ip4'].append(addr_dict)
except:
pass
try:
dnet.ip6_aton(ip)
addr_dict = {}
addr_dict['ip'] = ip
if PLATFORM == "Windows" and mask is None:
addr_dict['mask'] = "ffff:ffff:ffff:ffff::"
else:
addr_dict['mask'] = mask
addr_dict['net'] = net
addr_dict['gw'] = gw
if ip.startswith("fe80:"):
addr_dict['linklocal'] = True
else:
addr_dict['linklocal'] = False
self.devices[name]['ip6'].append(addr_dict)
except:
pass
else:
#????
pass
def run(self):
self.d = dnet.eth(self.parent.interface)
p = pcap.pcapObject()
p.open_live(self.parent.interface, 1600, 1, 100)
if not self.parent.platform == "Darwin":
p.setnonblock(1)
p.setfilter(self.filter, 0, 0)
while self.running:
try:
p.dispatch(1, self.dispatch)
except Exception, e:
print e
if DEBUG:
print '-' * 60
traceback.print_exc(file=sys.stdout)
print '-' * 60
time.sleep(0.001)
def run(self):
self.d = dnet.eth(self.parent.interface)
p = pcap.pcapObject()
p.open_live(self.parent.interface, 1600, 1, 100)
if not self.parent.platform == "Darwin":
p.setnonblock(1)
p.setfilter(self.filter, 0, 0)
while self.running:
try:
p.dispatch(1, self.dispatch)
except Exception, e:
print e
if DEBUG:
print '-'*60
traceback.print_exc(file=sys.stdout)
print '-'*60
time.sleep(0.001)
def update_devices(self):
self.devices = {}
devs = pcap.findalldevs()
for (name, descr, addr, flags) in devs:
try:
test = dnet.eth(name)
mac = test.get()
self.devices[name] = { 'mac' : mac, 'ip4' : [], 'ip6' : [], 'descr' : descr, 'flags' : flags }
except:
pass
else:
if len(addr) > 1:
for (ip, mask, net, gw) in addr:
try:
dnet.ip_aton(ip)
addr_dict = {}
addr_dict['ip'] = ip
addr_dict['mask'] = mask
addr_dict['net'] = net
addr_dict['gw'] = gw
self.devices[name]['ip4'].append(addr_dict)
except:
pass
try:
dnet.ip6_aton(ip)
addr_dict = {}
addr_dict['ip'] = ip
if PLATFORM == "Windows" and mask is None:
addr_dict['mask'] = "ffff:ffff:ffff:ffff::"
else:
addr_dict['mask'] = mask
addr_dict['net'] = net
addr_dict['gw'] = gw
if ip.startswith("fe80:"):
addr_dict['linklocal'] = True
else:
addr_dict['linklocal'] = False
self.devices[name]['ip6'].append(addr_dict)
except:
pass
else:
#????
pass
def send(self, x):
iff, a, gw = x.route()
if iff is None:
iff = conf.iface
ifs, cls = self.iflist.get(iff, (None, None))
if ifs is None:
iftype = self.intf.get(iff)["type"]
if iftype == dnet.INTF_TYPE_ETH:
try:
cls = conf.l2types[1]
except KeyError:
warning("Unable to find Ethernet class. Using nothing")
ifs = dnet.eth(iff)
else:
ifs = dnet.ip()
self.iflist[iff] = ifs, cls
if cls is None:
sx = str(x)
else:
sx = str(cls() / x)
x.sent_time = time.time()
ifs.send(sx)
def send(self, x):
iff, a, gw = x.route()
if iff is None:
iff = conf.iface
ifs, cls = self.iflist.get(iff, (None, None))
if ifs is None:
iftype = self.intf.get(iff)["type"]
if iftype == dnet.INTF_TYPE_ETH:
try:
cls = conf.l2types[1]
except KeyError:
warning("Unable to find Ethernet class. Using nothing")
ifs = dnet.eth(iff)
else:
ifs = dnet.ip()
self.iflist[iff] = ifs, cls
if cls is None:
sx = str(x)
else:
sx = str(cls() / x)
x.sent_time = time.time()
ifs.send(sx)
host_range = sys.argv[3]
addr = host_range.split("-", 2)
start = int(addr[0])
end = int(addr[1])
except:
printUsage()
sys.exit()
if ((start > 255 or end > 255) or (start < 0 or end < 0) or end < start):
printUsage()
sys.exit()
scanrange = range(start,end+1)
try:
interface = dnet.eth(ifname)
except:
print "Error opening interface. You probably aren't running as root, or the interface doesn't exist."
def ip_header(dst,src,type):
packet = dst + src + str(type)
return packet
def arp_header(hdr,op,sha,spa,tha,tpa):
packet = hdr + op + sha + spa + tha + tpa
return packet
def arp_request(ipaddr):
sha_str = str(dnet.intf().get(ifname)['link_addr'])
sha = dnet.eth_aton(sha_str)
spa_str = str(dnet.intf().get(ifname)['addr']).split("/")[0]
#!/usr/bin/env python
import dnet
from dpkt import dhcp
from dpkt import udp
from dpkt import ip
from dpkt import ethernet
sysintf = 'eth0'
hw = dnet.eth(sysintf)
intf = dnet.intf()
# build a dhcp discover packet to request an ip
d = dhcp.DHCP(
chaddr=hw.get(),
xid=1337,
op=dhcp.DHCPDISCOVER,
opts=(
(dhcp.DHCP_OP_REQUEST, ''),
(dhcp.DHCP_OPT_REQ_IP, ''),
(dhcp.DHCP_OPT_ROUTER, ''),
(dhcp.DHCP_OPT_NETMASK, ''),
(dhcp.DHCP_OPT_DNS_SVRS, '')
)
)
# build udp packet
u = udp.UDP(
dport=67,
sport=68,
data=d
def setUp(self):
self.dev = dnet.intf().get_dst(dnet.addr('1.2.3.4'))['name']
self.eth = dnet.eth(self.dev)
self.failUnless(self.eth, "couldn't open Ethernet handle")
#!/usr/bin/env python
import dnet
from dpkt import dhcp
from dpkt import udp
from dpkt import ip
from dpkt import ethernet
sysintf = 'eth0'
hw = dnet.eth(sysintf)
intf = dnet.intf()
# build a dhcp discover packet to request an ip
d = dhcp.DHCP(chaddr=hw.get(),
xid=1337,
op=dhcp.DHCPDISCOVER,
opts=((dhcp.DHCP_OP_REQUEST, ''), (dhcp.DHCP_OPT_REQ_IP, ''),
(dhcp.DHCP_OPT_ROUTER, ''), (dhcp.DHCP_OPT_NETMASK, ''),
(dhcp.DHCP_OPT_DNS_SVRS, '')))
# build udp packet
u = udp.UDP(dport=67, sport=68, data=d)
u.ulen = len(u)
# build ip packet
i = ip.IP(dst=dnet.ip_aton('255.255.255.255'),
src=intf.get(sysintf)['addr'].ip,
data=u,
p=ip.IP_PROTO_UDP)
i.len = len(i)
def fuzz (self, this_node=None, path=[]):
'''
Call this routine to get the ball rolling. No arguments are necessary as they are both utilized internally
during the recursive traversal of the session graph.
@type this_node: request (node)
@param this_node: (Optional, def=None) Current node that is being fuzzed.
@type path: List
@param path: (Optional, def=[]) Nodes along the path to the current one being fuzzed.
'''
# if no node is specified, then we start from the root node and initialize the session.
if not this_node:
# we can't fuzz if we don't have at least one target and one request.
if not self.targets:
raise sex.error("NO TARGETS SPECIFIED IN SESSION")
if not self.edges_from(self.root.id):
raise sex.error("NO REQUESTS SPECIFIED IN SESSION")
this_node = self.root
if self.start_webserver:
try: self.server_init()
except: return
# XXX - TODO - complete parallel fuzzing, will likely have to thread out each target
target = self.targets[0]
# step through every edge from the current node.
for edge in self.edges_from(this_node.id):
# the destination node is the one actually being fuzzed.
self.fuzz_node = self.nodes[edge.dst]
num_mutations = self.fuzz_node.num_mutations()
# keep track of the path as we fuzz through it, don't count the root node.
# we keep track of edges as opposed to nodes because if there is more then one path through a set of
# given nodes we don't want any ambiguity.
path.append(edge)
current_path = " -> ".join([self.nodes[e.src].name for e in path[1:]])
current_path += " -> %s" % self.fuzz_node.name
self.logger.error("current fuzz path: %s" % current_path)
self.logger.error("fuzzed %d of %d total cases" % (self.total_mutant_index, self.total_num_mutations))
done_with_fuzz_node = False
crash_count = 0
# loop through all possible mutations of the fuzz node.
while not done_with_fuzz_node:
# if we need to pause, do so.
self.pause()
# if we have exhausted the mutations of the fuzz node, break out of the while(1).
# note: when mutate() returns False, the node has been reverted to the default (valid) state.
if not self.fuzz_node.mutate():
self.logger.error("all possible mutations for current fuzz node exhausted")
done_with_fuzz_node = True
continue
# make a record in the session that a mutation was made.
self.total_mutant_index += 1
# if we've hit the restart interval, restart the target.
if self.restart_interval and self.total_mutant_index % self.restart_interval == 0:
self.logger.error("restart interval of %d reached" % self.restart_interval)
self.restart_target(target)
# exception error handling routine, print log message and restart target.
def error_handler (e, msg, target, sock=None):
if sock and self.proto != "layer2":
sock.close()
msg += "\nException caught: %s" % repr(e)
msg += "\nRestarting target and trying again"
self.logger.critical(msg)
self.restart_target(target)
# if we don't need to skip the current test case.
if self.total_mutant_index > self.skip:
self.logger.error("fuzzing %d of %d" % (self.fuzz_node.mutant_index, num_mutations))
# attempt to complete a fuzz transmission. keep trying until we are successful, whenever a failure
# occurs, restart the target.
while 1:
# instruct the debugger/sniffer that we are about to send a new fuzz.
if target.procmon:
try:
target.procmon.pre_send(self.total_mutant_index)
except Exception, e:
error_handler(e, "failed on procmon.pre_send()", target)
continue
if target.netmon:
try:
target.netmon.pre_send(self.total_mutant_index)
except Exception, e:
error_handler(e, "failed on netmon.pre_send()", target)
continue
try:
# establish a connection to the target.
if self.layer2:
sock = dnet.eth(self.iface)
else:
try:
sock = socket.socket(self.af, self.proto)
if self.af == socket.AF_INET6:
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
if hasattr(socket, "SO_REUSEPORT"):
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
except Exception, e:
error_handler(e, "failed creating socket", target)
continue
if self.bind:
try:
sock.bind(self.bind)
except Exception, e:
error_handler(e, "failed binding on socket", target, sock)
continue
try:
if self.proto != "layer2":
sock.settimeout(self.timeout)
# Connect is needed only for TCP stream
if self.connect_befor_send:
sock.connect((target.host, target.port))
except Exception, e:
error_handler(e, "failed connecting on socket", target, sock)
continue
# if SSL is requested, then enable it.
if self.ssl:
try:
ssl = socket.ssl(sock)
sock = httplib.FakeSocket(sock, ssl)
except Exception, e:
error_handler(e, "failed ssl setup", target, sock)
continue
# print t2-t1
dip = struct.unpack(">I", socket.inet_aton("222.200.98.110"))[0]
dport = 80
sip = struct.unpack(">I", socket.inet_aton("192.168.1.110"))[0]
sport = 22222
seq = 1
ack = 0
flags = 0x02
payload = ''
payload_length = 0
packet = a.GetTcpPacket(dip, dport, sip, sport, seq, ack, flags, payload,
payload_length)
print len(packet)
print packet.encode('hex')
e = dnet.eth("en0")
e.send(packet)
t1 = time.time()
for i in range(1, 10000000):
packet = a.GetTcpPacket(dip, dport, sip, sport, seq, ack, flags, payload,
payload_length)
e.send(packet)
dip += 1
t2 = time.time()
print t2 - t1
# t1=dpkt.tcp.TCP(sport=sport,dport=dport,flags=0x02,seq=1,ack=0,win=1200)
# i1=dpkt.ip.IP(src=struct.pack('>I',sip),p=dpkt.ip.IP_PROTO_TCP,ttl=255,dst=struct.pack('>I',dip))
# e1=dpkt.ethernet.Ethernet(dst="\x8c\xab\x8e\x6e\x56\xd8",src="\x5c\xf9\x38\xa6\x66\xfe")
# i1.len=i1.__len__()
def setUp(self):
self.dev = dnet.intf().get_dst(dnet.addr('1.2.3.4'))['name']
self.eth = dnet.eth(self.dev)
self.failUnless(self.eth, "couldn't open Ethernet handle")
except:
printUsage()
sys.exit()
if ((start > 255 or end > 255) or (start < 0 or end < 0) or end < start):
printUsage()
sys.exit()
if (len(sys.argv) > 4):
printUsage()
sys.exit()
scanrange = range(start, end + 1)
try:
interface = dnet.eth(ifname)
except:
print "Error opening interface. You probably aren't running as root, or the interface doesn't exist."
sys.exit()
def ip_header(dst, src, type):
packet = dst + src + str(type)
return packet
def arp_header(hdr, op, sha, spa, tha, tpa):
packet = hdr + op + sha + spa + tha + tpa
return packet
#成功获取到新的测试用例
try:
self.post_mutate_callback(f_block)
except Exception, e:
self.logger.critical("post_mutate_callback() error. Exception: %s" % str(e))
os.kill(0 - os.getpid(), signal.SIGKILL)
def error_handler (e, msg, sock=None):
if not self.layer2 and not self.custom and sock:
sock.close()
self.logger.critical(msg + " Exception: %s" % str(e))
while True:
#判断连接协议并创建连接
if self.layer2:
sock = dnet.eth(self.iface) #create eth class
elif self.custom:
#用户自定义协议类型
sock = custom_sock(f_target, self.ex_send_callback)
else: #TCP or UDP
if sock is None:
#创建socket
try:
(family, socktype, proto, canonname, sockaddr) = \
socket.getaddrinfo(f_target.host, f_target.port)[0]
sock = socket.socket(family, self.proto)
except Exception, e:
error_handler(e, "failed creating socket.", sock)
sock = None
