diff --git a/lib/core/common.py b/lib/core/common.py
index 873821b0e..62292b370 100644
--- a/lib/core/common.py
+++ b/lib/core/common.py
@@ -22,6 +22,7 @@ import socket
 import string
 import struct
 import sys
+import tempfile
 import time
 import urllib
 import urlparse
@@ -38,6 +39,7 @@ from subprocess import Popen as execute
 from xml.dom import minidom
 from xml.sax import parse
 
+from extra.cloak.cloak import decloak
 from extra.safe2bin.safe2bin import safecharencode
 from lib.core.bigarray import BigArray
 from lib.core.data import conf
@@ -3260,6 +3262,21 @@ def resetCookieJar(cookieJar):
             errMsg += "cookies file ('%s')" % msg
             raise SqlmapGenericException(errMsg)
 
+def decloakToTemp(filename):
+    """
+    Decloaks content of a given file to a temporary file with similar name and extension
+    """
+
+    content = decloak(filename)
+    _ = os.path.split(filename[:-1])[-1]
+    prefix, suffix = os.path.splitext(_)
+    prefix = prefix.split(os.extsep)[0]
+    handle, filename = tempfile.mkstemp(prefix=prefix, suffix=suffix)
+    os.close(handle)
+    with open(filename, "w+b") as f:
+        f.write(content)
+    return filename
+
 def prioritySortColumns(columns):
     """
     Sorts given column names by length in ascending order while those containing
diff --git a/plugins/generic/filesystem.py b/plugins/generic/filesystem.py
index 176f48e95..6c5d27e75 100644
--- a/plugins/generic/filesystem.py
+++ b/plugins/generic/filesystem.py
@@ -8,10 +8,10 @@ See the file 'doc/COPYING' for copying permission
 import os
 import tempfile
 
-from extra.cloak.cloak import decloak
 from lib.core.agent import agent
 from lib.core.common import dataToOutFile
 from lib.core.common import Backend
+from lib.core.common import decloakToTemp
 from lib.core.common import decodeHexValue
 from lib.core.common import isNumPosStrValue
 from lib.core.common import isListLike
@@ -253,14 +253,8 @@ class Filesystem:
     def writeFile(self, localFile, remoteFile, fileType=None):
         self.checkDbmsOs()
 
-        if localFile.endswith("_"):
-            content = decloak(localFile)
-            _ = os.path.split(localFile[:-1])[-1]
-            prefix, suffix = os.path.splitext(_)
-            handle, localFile = tempfile.mkstemp(prefix=prefix, suffix=suffix)
-            os.close(handle)
-            with open(localFile, "w+b") as f:
-                f.write(content)
+        if localFile.endswith('_'):
+            localFile = decloakToTemp(localFile)
 
         if conf.direct or isTechniqueAvailable(PAYLOAD.TECHNIQUE.STACKED):
             if isTechniqueAvailable(PAYLOAD.TECHNIQUE.STACKED):