Beispiel #1
0
    def connectionMade(self):
        try:
            client = self.transport.getPeer().host  # client ip
            log.msg("Incoming connection: %s" % client)
            fd = self.transport.fileno()
            flags = fcntl(fd, F_GETFL)  # Get current fd flags
            fcntl(fd, F_SETFL, flags | os.O_NONBLOCK)
            ready, _, _ = select.select((fd, ), (), (), .5)
            if fd in ready:
                # Get some data.
                req = os.read(fd, 4096)
            if "Mozilla/5.0" in req:
                # Probably it is Nesca, fire!
                self.transport.write(b'%s\r\n' %
                                     (self.ourVersionString + PAYLOAD, ))
                log.msg("Nesca scan detected, attacking: %s" % client)
            else:
                # Regular ssh connection or another shit, drop it
                log.msg("Dropping connection with host: %s" % client)
                self.transport.loseConnection()

        except Exception as e:
            log.msg("Exception in SSHServerTransport: %s" % str(e))
        # Passing connection to normal transport.
        SSHServerTransport.connectionMade(self)
Beispiel #2
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 def dataReceived(self, data):
     # before calling the super method, we collect destination address
     if self.dest_server_addr is None:
         # accept the destination server address
         parts = data.split(' ')
         self.dest_server_addr = (parts[0], parts[1])
         # remove the address from the data
         data = data[len(parts[0]) + 1 + len(parts[1]) + 1:]
         # only now, that we have the address, we connect the other side
         self.connect_b()
         # check if to keep working, if there's more data
         if len(data) == 0:
             return
     SSHServerTransport.dataReceived(self, data)
 def dataReceived(self, data):
     # before calling the super method, we collect destination address
     if self.dest_server_addr is None:
         # accept the destination server address
         parts = data.split(' ')
         self.dest_server_addr = (parts[0], parts[1])
         # remove the address from the data
         data = data[len(parts[0]) + 1 + len(parts[1]) + 1:]
         # only now, that we have the address, we connect the other side
         self.connect_b()
         # check if to keep working, if there's more data
         if len(data) == 0:
             return
     SSHServerTransport.dataReceived(self, data)
Beispiel #4
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def connectSSHTransport(service, hostAddress=None, peerAddress=None):
    """
    Connect a SSHTransport which is already connected to a remote peer to
    the channel under test.

    @param service: Service used over the connected transport.
    @type service: L{SSHService}

    @param hostAddress: Local address of the connected transport.
    @type hostAddress: L{interfaces.IAddress}

    @param peerAddress: Remote address of the connected transport.
    @type peerAddress: L{interfaces.IAddress}
    """
    transport = SSHServerTransport()
    transport.makeConnection(StringTransport(
        hostAddress=hostAddress, peerAddress=peerAddress))
    transport.setService(service)
def connectSSHTransport(service, hostAddress=None, peerAddress=None):
    """
    Connect a SSHTransport which is already connected to a remote peer to
    the channel under test.

    @param service: Service used over the connected transport.
    @type service: L{SSHService}

    @param hostAddress: Local address of the connected transport.
    @type hostAddress: L{interfaces.IAddress}

    @param peerAddress: Remote address of the connected transport.
    @type peerAddress: L{interfaces.IAddress}
    """
    transport = SSHServerTransport()
    transport.makeConnection(
        StringTransport(hostAddress=hostAddress, peerAddress=peerAddress))
    transport.setService(service)
Beispiel #6
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 def connectionMade(self):
     SSHServerTransport.connectionMade(self)
     self.transport.setTcpKeepAlive(True)
Beispiel #7
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 def protocol(self):
     return SSHServerTransport()
Beispiel #8
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 def connectionMade(self):
     # upon receiving a connection connect on towards the HTTP side
     self.dest_server_addr = None
     SSHServerTransport.connectionMade(self)
 def connectionMade(self):
     # upon receiving a connection connect on towards the HTTP side
     self.dest_server_addr = None
     SSHServerTransport.connectionMade(self)
Beispiel #10
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 def connectionMade(self):
     SSHServerTransport.connectionMade(self)
     self.transport.setTcpKeepAlive(True)
Beispiel #11
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 def connectionLost(self, reason):
     log.msg(metric='num_clients', count=-1)
     return SSHServerTransport.connectionLost(self, reason)
Beispiel #12
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 def connectionMade(self):
     log.msg(metric='num_clients')
     return SSHServerTransport.connectionMade(self)