def printResultsTable(self):
osDetectPack = sc.IP(dst=self.targIp) / scli.ICMP(
) # Crafting packet that will be used to determine target's OS
osResponse = sc.sr1(osDetectPack, timeout=2,
verbose=False) # Actually sending the packet
targetOS = "" # String that will hold what the target OS is
if osResponse == None: # Checks if the packet had a response and it's present
targetOS = colored(
"Could not identify OS!", "red"
) # If not then inform user that the OS could not be known
# Otherwise, if there is a response and it contains an IP layer try to identify the OS
elif osResponse.haslayer(scli.IP):
if osResponse[
scli.
IP].ttl == 64: # Unix/Linux/FreeBSD systems use a ttl length of 64
targetOS = colored(
"Unix, Linux, or FreeBSD",
"green") # Inform user that it could be one of the 3
elif osResponse[
scli.
IP].ttl == 128: # Unix/Linux/FreeBSD systems use a ttl length of 128
targetOS = colored("Windows",
"green") # Inform user it's Windows
print(f"Target: {colored(self.targIp, 'green')}") # Specifies target
print(f"Detected target Operating System: {targetOS}\n"
) # Prints target OS
# Header of results Table
print(
"Port:\t\t\tStatus:\t\t\tService:\n------------------------------------------------------------"
)
def icmp(dst: str, count=1, timeout=2, verbose=False) -> int:
"""
Send an ICMP ping
Returns: count of responses
"""
c = 0
for i in range(count):
packet = inet.IP(dst=dst) / inet.ICMP(seq=i)
if sr1(packet, timeout=2, verbose=verbose) is not None:
c += 1
return c
def refreshAll(self, frame=None):
if not frame:
frame = self.getFrame()
ip_packet = inet.IP(frame.payload)
if frame.payload.payload.name == "NoPayload":
self.statusBar.showMessage(
"Sorry, only correct packets can be loaded. Loading L2 and L3...",
1000)
if self.tab_L3_Widget.currentIndex() == 0:
self.fillIPv4(ip_packet)
else:
self.fillICMP(ip_packet)
# TODO: according to current tab place values in ipv4 or icmp DONE
if frame.payload.payload.name == "TCP":
tcp_packet = inet.TCP(ip_packet.payload)
self.tab_L3_Widget.setCurrentIndex(0)
self.tab_L4_Widget.setCurrentIndex(0)
self.fillIPv4(ip_packet)
self.fillTCP(tcp_packet)
elif frame.payload.payload.name == "UDP":
udp_packet = inet.UDP(ip_packet.payload)
self.tab_L3_Widget.setCurrentIndex(0)
self.tab_L4_Widget.setCurrentIndex(1)
self.fillIPv4(ip_packet)
self.fillUDP(udp_packet)
elif frame.payload.payload.name == "Raw" or frame.payload.payload.name == "Padding": # ICMP, but need to be carefull if want to use this later
self.fillICMP(ip_packet)
elif frame.payload.payload.name == "ICMP":
self.fillICMP(ip_packet)
icmp_packet = inet.ICMP(ip_packet.payload)
self.spinBox_icmp_Type.setValue(
icmp_packet.getfield_and_val('type')[1])
self.spinBox_icmp_Code.setValue(
icmp_packet.getfield_and_val('code')[1])
# TODO checksum not implemented
self.fillEther(frame)
def test_getClientServerProtocolFrom_when_ICMP(self):
icmp_packet = scapy_layers.ICMP()
with self.assertRaises(SystemExit) as se:
protocol = pcap_helper.getClientServerProtocolFrom(icmp_packet)
self.assertEqual(se.exception.code, 0)
for NICname in addrs.keys():
self.comboInterfacesBox.addItem(NICname)
def getFrame(self):
frame = l2.Ether()
ipPacket = inet.IP()
if (srcmac := self.lineEdit_mac_SRCMAC.text()) != ":::::":
frame.src = srcmac
if (dstmac := self.lineEdit_mac_DSTMAC.text()) != ":::::":
frame.dst = dstmac
if (crc := self.lineEdit_mac_Checksum.text()) != "":
frame.chksum = int(crc)
if self.tab_L3_Widget.currentIndex() == 1: # ICMP
icmpPacket = inet.ICMP()
if (ipVer := self.spinBox_icmp_Version.value()) != 0:
ipPacket.version = ipVer
if (ihl := self.spinBox_icmp_HeaderLenght.value()) != 0:
ipPacket.ihl = ihl
if (tos := self.spinBox_icmp_ToS.value()) != 0:
ipPacket.tos = tos
if (len := self.spinBox_icmp_TotalLenght.value()) != 0:
ipPacket.len = len
if (id := self.spinBox_icmp_Identifier.value()) != 0:
ipPacket.id = id
ipPacket.flags = (int(self.checkBox_icmp_MF.isChecked()) +
int(self.checkBox_icmp_DF.isChecked() << 1) +
int(self.checkBox_icmp_Res.isChecked() << 2))
if (frag := self.spinBox_icmp_FragmentOffset.value()) != 0:
ipPacket.frag = frag