diff --git a/lib/takeover/icmpsh.py b/lib/takeover/icmpsh.py
index b811c82e6..90b506b52 100644
--- a/lib/takeover/icmpsh.py
+++ b/lib/takeover/icmpsh.py
@@ -30,7 +30,7 @@ class ICMPsh:
         self.rhostStr = None
         self.localIP = getLocalIP()
         self.remoteIP = getRemoteIP()
-        self.__icmpslave = normalizePath(os.path.join(paths.SQLMAP_EXTRAS_PATH, "icmpsh", "icmpsh.exe"))
+        self._icmpslave = normalizePath(os.path.join(paths.SQLMAP_EXTRAS_PATH, "icmpsh", "icmpsh.exe"))
 
     def _selectRhost(self):
         message = "what is the back-end DBMS address? [%s] " % self.remoteIP
@@ -63,7 +63,7 @@ class ICMPsh:
         self.execCmd(cmd, silent=True)
 
     def uploadIcmpshSlave(self, web=False):
-        self._initVars()
+        ICMPsh._initVars(self)
         self._randStr = randomStr(lowercase=True)
         self._icmpslaveRemoteBase = "tmpi%s.exe" % self._randStr
 
@@ -77,9 +77,9 @@ class ICMPsh:
         logger.info("uploading icmpsh slave to '%s'" % self._icmpslaveRemote)
 
         if web:
-            self.webUpload(self._icmpslaveRemote, self.webDirectory, filepath=self.__icmpslave)
+            self.webUpload(self._icmpslaveRemote, self.webDirectory, filepath=self._icmpslave)
         else:
-            self.writeFile(self.__icmpslave, self._icmpslaveRemote, "binary")
+            self.writeFile(self._icmpslave, self._icmpslaveRemote, "binary")
 
     def icmpPwn(self):
         self._prepareIngredients()
diff --git a/lib/takeover/metasploit.py b/lib/takeover/metasploit.py
index 4bbfef8ce..473605f7d 100644
--- a/lib/takeover/metasploit.py
+++ b/lib/takeover/metasploit.py
@@ -503,7 +503,7 @@ class Metasploit:
         self._randStr = randomStr(lowercase=True)
         self._shellcodeFilePath = os.path.join(conf.outputPath, "tmpm%s" % self._randStr)
 
-        self._initVars()
+        Metasploit._initVars(self)
         self._prepareIngredients(encode=encode)
         self._forgeMsfPayloadCmd(exitfunc, format, self._shellcodeFilePath, extra)
 
@@ -583,7 +583,7 @@ class Metasploit:
             self.delRemoteFile(self.shellcodeexecRemote)
 
     def smb(self):
-        self._initVars()
+        Metasploit._initVars(self)
         self._randFile = "tmpu%s.txt" % randomStr(lowercase=True)
 
         self._runMsfCliSmbrelay()
diff --git a/lib/takeover/registry.py b/lib/takeover/registry.py
index eb24f231d..23dc099bc 100644
--- a/lib/takeover/registry.py
+++ b/lib/takeover/registry.py
@@ -49,11 +49,11 @@ class Registry:
     def _createLocalBatchFile(self):
         self._batPathFp = open(self._batPathLocal, "w")
 
-        if self.__operation == "read":
+        if self._operation == "read":
             lines = self._batRead
-        elif self.__operation == "add":
+        elif self._operation == "add":
             lines = self._batAdd
-        elif self.__operation == "delete":
+        elif self._operation == "delete":
             lines = self._batDel
 
         for line in lines:
@@ -70,9 +70,9 @@ class Registry:
         os.unlink(self._batPathLocal)
 
     def readRegKey(self, regKey, regValue, parse=False):
-        self.__operation = "read"
+        self._operation = "read"
 
-        self._initVars(regKey, regValue, parse=parse)
+        Registry._initVars(self, regKey, regValue, parse=parse)
         self._createRemoteBatchFile()
 
         logger.debug("reading registry key '%s' value '%s'" % (regKey, regValue))
@@ -90,9 +90,9 @@ class Registry:
         return data
 
     def addRegKey(self, regKey, regValue, regType, regData):
-        self.__operation = "add"
+        self._operation = "add"
 
-        self._initVars(regKey, regValue, regType, regData)
+        Registry._initVars(self, regKey, regValue, regType, regData)
         self._createRemoteBatchFile()
 
         debugMsg = "adding registry key value '%s' " % self._regValue
@@ -103,9 +103,9 @@ class Registry:
         self.delRemoteFile(self._batPathRemote)
 
     def delRegKey(self, regKey, regValue):
-        self.__operation = "delete"
+        self._operation = "delete"
 
-        self._initVars(regKey, regValue)
+        Registry._initVars(self, regKey, regValue)
         self._createRemoteBatchFile()
 
         debugMsg = "deleting registry key value '%s' " % self._regValue