def __init__(self, iface=None, parent=None):
super(QDialog, self).__init__(parent)
self.setupUi(self)
self.hooked = False
#-- Network info
self.interface = iface
self.ip = QtNetwork.QNetworkInterface.interfaceFromName(
self.interface).addressEntries()[0].ip().toString(
) #A way like another to get local IP
#-- Nfqueue stuff
self.ip = self.ip
self.qmi = None
self.qmo = None
self.rulei = ""
self.ruleo = ""
#-- Stack stuff
self.ethp = EthernetProtocol(self.interface)
self.ipp = IPProtocol()
self.ethp.register_layer(self.ipp)
arpp = ARPProtocol(self.interface)
self.ethp.register_layer(arpp)
self.tcpp = TCPProtoModified(self)
self.ipp.register_layer(self.tcpp)
self.ethp.start_listening(doreactor=False)
self.session = None
self.app = None
#-- Signal slot stuff
self.connect(self.listenbutton, SIGNAL("clicked()"),
self.listenbutton_clicked)
self.connect(self.inputbutton, SIGNAL("clicked()"),
self.inputbutton_clicked)
self.connect(self, SIGNAL("mitm_received"), self.update_textreceived)
self.connect(self, SIGNAL("mitm_sent"), self.update_textsent)
self.connect(self, SIGNAL("kernel_sent"), self.update_textsent)
self.connect(self, SIGNAL("kernel_received"), self.update_textreceived)
self.connect(self, SIGNAL("gratuitous_received"),
self.update_textreceived)
def __init__(self, iface=None, parent=None):
super(QDialog, self).__init__(parent)
self.setupUi(self)
self.hooked = False
#-- Network info
self.interface = iface
self.ip = QtNetwork.QNetworkInterface.interfaceFromName(self.interface).addressEntries()[0].ip().toString() #A way like another to get local IP
#-- Nfqueue stuff
self.ip = self.ip
self.qmi = None
self.qmo = None
self.rulei = ""
self.ruleo = ""
#-- Stack stuff
self.ethp = EthernetProtocol(self.interface)
self.ipp = IPProtocol()
self.ethp.register_layer(self.ipp)
arpp = ARPProtocol(self.interface)
self.ethp.register_layer(arpp)
self.tcpp = TCPProtoModified(self)
self.ipp.register_layer(self.tcpp)
self.ethp.start_listening(doreactor=False)
self.session = None
self.app = None
#-- Signal slot stuff
self.connect(self.listenbutton, SIGNAL("clicked()"), self.listenbutton_clicked)
self.connect(self.inputbutton, SIGNAL("clicked()"), self.inputbutton_clicked)
self.connect(self, SIGNAL("mitm_received"), self.update_textreceived)
self.connect(self, SIGNAL("mitm_sent"), self.update_textsent)
self.connect(self, SIGNAL("kernel_sent"), self.update_textsent)
self.connect(self, SIGNAL("kernel_received"), self.update_textreceived)
self.connect(self, SIGNAL("gratuitous_received"), self.update_textreceived)
class MyWindowMITM(QDialog, window.Ui_Dialog):
def __init__(self, iface=None, parent=None):
super(QDialog, self).__init__(parent)
self.setupUi(self)
self.hooked = False
#-- Network info
self.interface = iface
self.ip = QtNetwork.QNetworkInterface.interfaceFromName(self.interface).addressEntries()[0].ip().toString() #A way like another to get local IP
#-- Nfqueue stuff
self.ip = self.ip
self.qmi = None
self.qmo = None
self.rulei = ""
self.ruleo = ""
#-- Stack stuff
self.ethp = EthernetProtocol(self.interface)
self.ipp = IPProtocol()
self.ethp.register_layer(self.ipp)
arpp = ARPProtocol(self.interface)
self.ethp.register_layer(arpp)
self.tcpp = TCPProtoModified(self)
self.ipp.register_layer(self.tcpp)
self.ethp.start_listening(doreactor=False)
self.session = None
self.app = None
#-- Signal slot stuff
self.connect(self.listenbutton, SIGNAL("clicked()"), self.listenbutton_clicked)
self.connect(self.inputbutton, SIGNAL("clicked()"), self.inputbutton_clicked)
self.connect(self, SIGNAL("mitm_received"), self.update_textreceived)
self.connect(self, SIGNAL("mitm_sent"), self.update_textsent)
self.connect(self, SIGNAL("kernel_sent"), self.update_textsent)
self.connect(self, SIGNAL("kernel_received"), self.update_textreceived)
self.connect(self, SIGNAL("gratuitous_received"), self.update_textreceived)
def add_connection_item(self, localip, localport, remoteip, remoteport):
''' Method that update the list of existing connections in the gui interface. (call by the TCPProtocol modified).
'''
if localip == self.ip:
s = "%s:%s -> %s:%s" %(localip, localport, remoteip, remoteport)
else:
s = "%s:%s -> %s:%s" %(remoteip, remoteport, localip, localport)
if len(self.connectionlist.findItems(s, Qt.MatchExactly)) == 0:
self.connectionlist.addItem(s)
def listenbutton_clicked(self):
''' Triggered when the user click on hook, or unhook button and do the appropriate action.
If the user unhook a connection while it is not stopped, the connecions will likely crash because
of de-synchronisation.
'''
if self.hooked:
print("Stop hooking (can cause the connection to crash)")
self.inputbutton.setEnabled(False)
self.inputtext.setEnabled(False)
self.connectionlist.setEnabled(True)
self.listenbutton.setText("Hook")
self.unhook_all() #Remove all the active nfqueues to stop hooking
self.hooked = False
else:
print("Start Hooking")
self.inputbutton.setEnabled(True)
self.inputtext.setEnabled(True)
self.connectionlist.setEnabled(False)
self.textreceived.clear()
self.textsent.clear()
self.listenbutton.setText("Unhook")
#Create the hacked session with the informations of the selected connection
self.session = SessionMITM(self.interface, self) #Create the session
self.session.register_lower_layer("default", self.tcpp) #Register it on the stack
self.app = MITMApplication(self) #Create the MITM app and link it to the session
self.session.register_layer(self.app)
self.session.switch_state(State_ESTABLISHED(self.session)) #Put directly the session in ESTABLISHED
#Create all the nfqueue and link them to the tcp session modified
elts = self.connectionlist.selectedItems()
if len(elts) != 1:
QMessageBox.warning(self, "Warning", "A connection (only) should be selected", buttons=QMessageBox.Ok, defaultButton=QMessageBox.NoButton)
print("One connection (only) should be selected")
return
else:
s = elts[0].text() #Retrieve the selected connections and recover infos about it
src, _, dst = s.split(" ")
ipsrc, portsrc = src.split(":")
ipdst, portdst = dst.split(":")
self.ruleo = "-p tcp -s %s --sport %s -d %s --dport %s" %(ipsrc, portsrc, ipdst, portdst)
self.qmo = NFQueueManager() #Create a NfqueueManager to deal with outgoing packets
self.qmo.add_queue_rule("OUTPUT", self.ruleo , 11) #Add a nfqueue rule to the firewall
self.qmo.run_queue(self.session.outgoing_nfqueue_packet, 11) #Start listening on the queue with the right handler
self.rulei = "-p tcp -s %s --sport %s -d %s --dport %s" %(ipdst, portdst, ipsrc, portsrc)
self.qmi = NFQueueManager() #Idem for incoming packets
self.qmi.add_queue_rule("INPUT", self.rulei, 12)
self.qmi.run_queue(self.session.incoming_nfqueue_packet, 12)
self.hooked = True
def unhook_all(self):
''' Remove the two added rules to stop catching kernel throughput and stop clean the whole. '''
if self.hooked:
self.qmo.remove_queue_rule("OUTPUT", self.ruleo, 11)
self.qmi.remove_queue_rule("INPUT", self.rulei, 12)
self.qmo.stopall()
self.qmi.stopall()
def inputbutton_clicked(self):
''' Function called to send data to server (without kernel knowledge) '''
print("Input button clicked")
tosend = str(self.inputtext.toPlainText())
self.inputtext.clear()
self.app.send_packet(tosend)
def kernel_data_sent(self, data):
print("Kernel Data sent: "+repr(data))
self.emit(SIGNAL("kernel_sent"), "blue", data)
#self.textsent.insertHtml('<font color=\"blue\">'+re.sub("\n","<br/>",data)+'</font>')
def mitm_data_sent(self, data):
print("MITM Data sent: "+repr(data))
self.emit(SIGNAL("mitm_sent"), "red", data)
#self.textsent.insertHtml('<font color=\"red\">'+re.sub("\n","<br/>",data)+'</font>')
def kernel_data_received(self, data):
print("For kernel received: "+repr(data))
self.emit(SIGNAL("kernel_received"), "blue", data)
#self.textreceived.insertHtml('<font color=\"blue\">'+re.sub("\n","<br/>",data)+'</font>')
def mitm_data_received(self, data):
print("MITM data received: "+repr(data))
self.emit(SIGNAL("mitm_received"), "red", data)
#self.textreceived.insertHtml('<font color=\"red\">'+re.sub("\n","<br/>",data)+'</font>')
def gratuitous_data_received(self, data):
print("Gratuitous Data: "+repr(data))
self.emit(SIGNAL("gratuitous_received"), "black", data)
#self.textreceived.insertHtml('<font color=\"black\">'+re.sub("\n","<br/>",data)+'</font>')
def update_textreceived(self, color, text):
self.textreceived.insertHtml('<font color=\"'+color+'\">'+re.sub("\n","<br/>",text)+'</font>')
def update_textsent(self, color, text):
self.textsent.insertHtml('<font color=\"'+color+'\">'+re.sub("\n","<br/>",text)+'</font>')
def stop(self):
self.unhook_all()
self.ethp.stop()
Simple exemple that show how to create a stack by hand.
'''
class Scream(Layer):
def packet_received(self, packet):
print("Scream: "+ packet.payload.name)
interface = "eth0"
#Layer 2
eth = EthernetProtocol(interface)
#Layer 3
ip = IPProtocol()
eth.register_layer(ip) #Enregistre aussi eth comme defaut pour ip
arp = ARPProtocol(interface)
eth.register_layer(arp)
#Layer 4
tcp = TCPProtocol()
ip.register_layer(tcp)
#Layer 5
tcpsession = TCPSession(interface)
tcp.register_layer(tcpsession)
#Layer 6
#Nothing for now
class MyWindowMITM(QDialog, window.Ui_Dialog):
def __init__(self, iface=None, parent=None):
super(QDialog, self).__init__(parent)
self.setupUi(self)
self.hooked = False
#-- Network info
self.interface = iface
self.ip = QtNetwork.QNetworkInterface.interfaceFromName(
self.interface).addressEntries()[0].ip().toString(
) #A way like another to get local IP
#-- Nfqueue stuff
self.ip = self.ip
self.qmi = None
self.qmo = None
self.rulei = ""
self.ruleo = ""
#-- Stack stuff
self.ethp = EthernetProtocol(self.interface)
self.ipp = IPProtocol()
self.ethp.register_layer(self.ipp)
arpp = ARPProtocol(self.interface)
self.ethp.register_layer(arpp)
self.tcpp = TCPProtoModified(self)
self.ipp.register_layer(self.tcpp)
self.ethp.start_listening(doreactor=False)
self.session = None
self.app = None
#-- Signal slot stuff
self.connect(self.listenbutton, SIGNAL("clicked()"),
self.listenbutton_clicked)
self.connect(self.inputbutton, SIGNAL("clicked()"),
self.inputbutton_clicked)
self.connect(self, SIGNAL("mitm_received"), self.update_textreceived)
self.connect(self, SIGNAL("mitm_sent"), self.update_textsent)
self.connect(self, SIGNAL("kernel_sent"), self.update_textsent)
self.connect(self, SIGNAL("kernel_received"), self.update_textreceived)
self.connect(self, SIGNAL("gratuitous_received"),
self.update_textreceived)
def add_connection_item(self, localip, localport, remoteip, remoteport):
''' Method that update the list of existing connections in the gui interface. (call by the TCPProtocol modified).
'''
if localip == self.ip:
s = "%s:%s -> %s:%s" % (localip, localport, remoteip, remoteport)
else:
s = "%s:%s -> %s:%s" % (remoteip, remoteport, localip, localport)
if len(self.connectionlist.findItems(s, Qt.MatchExactly)) == 0:
self.connectionlist.addItem(s)
def listenbutton_clicked(self):
''' Triggered when the user click on hook, or unhook button and do the appropriate action.
If the user unhook a connection while it is not stopped, the connecions will likely crash because
of de-synchronisation.
'''
if self.hooked:
print("Stop hooking (can cause the connection to crash)")
self.inputbutton.setEnabled(False)
self.inputtext.setEnabled(False)
self.connectionlist.setEnabled(True)
self.listenbutton.setText("Hook")
self.unhook_all() #Remove all the active nfqueues to stop hooking
self.hooked = False
else:
print("Start Hooking")
self.inputbutton.setEnabled(True)
self.inputtext.setEnabled(True)
self.connectionlist.setEnabled(False)
self.textreceived.clear()
self.textsent.clear()
self.listenbutton.setText("Unhook")
#Create the hacked session with the informations of the selected connection
self.session = SessionMITM(self.interface,
self) #Create the session
self.session.register_lower_layer(
"default", self.tcpp) #Register it on the stack
self.app = MITMApplication(
self) #Create the MITM app and link it to the session
self.session.register_layer(self.app)
self.session.switch_state(State_ESTABLISHED(
self.session)) #Put directly the session in ESTABLISHED
#Create all the nfqueue and link them to the tcp session modified
elts = self.connectionlist.selectedItems()
if len(elts) != 1:
QMessageBox.warning(self,
"Warning",
"A connection (only) should be selected",
buttons=QMessageBox.Ok,
defaultButton=QMessageBox.NoButton)
print("One connection (only) should be selected")
return
else:
s = elts[0].text(
) #Retrieve the selected connections and recover infos about it
src, _, dst = s.split(" ")
ipsrc, portsrc = src.split(":")
ipdst, portdst = dst.split(":")
self.ruleo = "-p tcp -s %s --sport %s -d %s --dport %s" % (
ipsrc, portsrc, ipdst, portdst)
self.qmo = NFQueueManager(
) #Create a NfqueueManager to deal with outgoing packets
self.qmo.add_queue_rule(
"OUTPUT", self.ruleo,
11) #Add a nfqueue rule to the firewall
self.qmo.run_queue(
self.session.outgoing_nfqueue_packet,
11) #Start listening on the queue with the right handler
self.rulei = "-p tcp -s %s --sport %s -d %s --dport %s" % (
ipdst, portdst, ipsrc, portsrc)
self.qmi = NFQueueManager() #Idem for incoming packets
self.qmi.add_queue_rule("INPUT", self.rulei, 12)
self.qmi.run_queue(self.session.incoming_nfqueue_packet, 12)
self.hooked = True
def unhook_all(self):
''' Remove the two added rules to stop catching kernel throughput and stop clean the whole. '''
if self.hooked:
self.qmo.remove_queue_rule("OUTPUT", self.ruleo, 11)
self.qmi.remove_queue_rule("INPUT", self.rulei, 12)
self.qmo.stopall()
self.qmi.stopall()
def inputbutton_clicked(self):
''' Function called to send data to server (without kernel knowledge) '''
print("Input button clicked")
tosend = str(self.inputtext.toPlainText())
self.inputtext.clear()
self.app.send_packet(tosend)
def kernel_data_sent(self, data):
print("Kernel Data sent: " + repr(data))
self.emit(SIGNAL("kernel_sent"), "blue", data)
#self.textsent.insertHtml('<font color=\"blue\">'+re.sub("\n","<br/>",data)+'</font>')
def mitm_data_sent(self, data):
print("MITM Data sent: " + repr(data))
self.emit(SIGNAL("mitm_sent"), "red", data)
#self.textsent.insertHtml('<font color=\"red\">'+re.sub("\n","<br/>",data)+'</font>')
def kernel_data_received(self, data):
print("For kernel received: " + repr(data))
self.emit(SIGNAL("kernel_received"), "blue", data)
#self.textreceived.insertHtml('<font color=\"blue\">'+re.sub("\n","<br/>",data)+'</font>')
def mitm_data_received(self, data):
print("MITM data received: " + repr(data))
self.emit(SIGNAL("mitm_received"), "red", data)
#self.textreceived.insertHtml('<font color=\"red\">'+re.sub("\n","<br/>",data)+'</font>')
def gratuitous_data_received(self, data):
print("Gratuitous Data: " + repr(data))
self.emit(SIGNAL("gratuitous_received"), "black", data)
#self.textreceived.insertHtml('<font color=\"black\">'+re.sub("\n","<br/>",data)+'</font>')
def update_textreceived(self, color, text):
self.textreceived.insertHtml('<font color=\"' + color + '\">' +
re.sub("\n", "<br/>", text) + '</font>')
def update_textsent(self, color, text):
self.textsent.insertHtml('<font color=\"' + color + '\">' +
re.sub("\n", "<br/>", text) + '</font>')
def stop(self):
self.unhook_all()
self.ethp.stop()
Simple exemple that show how to create a stack by hand.
'''
class Scream(Layer):
def packet_received(self, packet):
print("Scream: " + packet.payload.name)
interface = "eth0"
#Layer 2
eth = EthernetProtocol(interface)
#Layer 3
ip = IPProtocol()
eth.register_layer(ip) #Enregistre aussi eth comme defaut pour ip
arp = ARPProtocol(interface)
eth.register_layer(arp)
#Layer 4
tcp = TCPProtocol()
ip.register_layer(tcp)
#Layer 5
tcpsession = TCPSession(interface)
tcp.register_layer(tcpsession)
#Layer 6
#Nothing for now
