diff --git a/.gitignore b/.gitignore
index 1b830d4..2462003 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 HCPBridge/.vscode
+Investigation/bussniffer/tools/opendooralert/opendooralert.py.bak
diff --git a/Investigation/bussniffer/tools/opendooralert/opendooralert.py b/Investigation/bussniffer/tools/opendooralert/opendooralert.py
new file mode 100644
index 0000000..d5781d6
--- /dev/null
+++ b/Investigation/bussniffer/tools/opendooralert/opendooralert.py
@@ -0,0 +1,59 @@
+import requests
+import time
+from pushnotifier import PushNotifier as pn
+
+# replace with your device ip
+url="http://192.168.178.35/status"
+
+#create account on https://pushnotifier.de/notifications
+api_key = "add your api key"
+username = 'add your username'
+password = 'add your password'
+package = 'add your package'
+
+alerttime = 15 # alle 15 Minuten 
+intervall = 5  # alle 5 Minuten
+
+openstarttime = -1;
+
+def sendAlert(message):
+    session = pn.PushNotifier(username, password, package, api_key)
+    session.send_text(message, silent=False, devices=session.get_all_devices())
+
+def millis():
+    return round(time.time() * 1000)
+    
+def handleOpenDoor():
+    global openstarttime
+    if openstarttime == -1:
+        openstarttime = millis()
+        
+    if openstarttime+ alerttime*60*1000 < millis():
+        sendAlert('Deine Garage ist offen!')
+        openstarttime = millis()
+    
+def handleCloseDoor():
+    global openstarttime
+    if openstarttime > -1:
+        sendAlert('Deine Garage wurde geschlossen')
+    openstarttime = -1;
+    
+
+while True:
+    print("get status...")
+    try:
+        r = requests.get(url)
+        if r.status_code < 400:
+            status = r.json()
+            if status["valid"]:
+                if status["doorstate"] != 0x40:
+                    handleOpenDoor()
+                else:
+                    handleCloseDoor()
+            else:
+                print("Status is invalid")
+        else:
+            print("invalid response code "+ r.status_code)
+    except requests.exceptions.RequestException as e:
+        print("error: " + e)
+    time.sleep(intervall*60)
\ No newline at end of file
diff --git a/Investigation/bussniffer/tools/opendooralert/pushnotifier/PushNotifier.py b/Investigation/bussniffer/tools/opendooralert/pushnotifier/PushNotifier.py
new file mode 100644
index 0000000..fa68f56
--- /dev/null
+++ b/Investigation/bussniffer/tools/opendooralert/pushnotifier/PushNotifier.py
@@ -0,0 +1,278 @@
+import requests
+import json
+import base64
+import uuid
+from pushnotifier.exceptions import *
+
+
+class PushNotifier:
+
+    def __init__(self, username, password, package_name, api_key):
+        """
+        Initialize a new PushNotifier object
+
+        Args:
+            username (str): your username for https://pushnotifier.de
+            password (str): your password for https://pushnotifier.de
+            package_name (str): the package you want to send the messages to
+            api_key (str): your api key (https://pushnotifier.de/account/api)
+        """
+        self.base_url = 'https://api.pushnotifier.de/v2'
+        self.login_url = self.base_url + '/user/login'
+        self.devices_url = self.base_url + '/devices'
+        self.refresh_url = self.base_url + '/user/refresh'
+        self.send_text_url = self.base_url + '/notifications/text'
+        self.send_image_url = self.base_url + '/notifications/image'
+        self.username = username
+        self.package_name = package_name
+        self.api_key = api_key
+        self.app_token = self.__get_app_token(password)
+        self.headers = {'X-AppToken': self.app_token}
+
+    def login(self, password):
+        """
+        Used to verify everything is working fine
+
+        Args:
+            password (str): your password for https://pushnotifier.de
+
+        Returns:
+            dict: basic information about your account
+        """
+
+        login_data = {
+            'username': self.username,
+            'password': password
+        }
+        r = requests.post(self.login_url, json=login_data, auth=(
+            self.package_name, self.api_key), headers=self.headers)
+        return r.json()
+
+    def __get_app_token(self, password):
+        login_data = {
+            'username': self.username,
+            'password': password
+        }
+        
+        r = requests.post(self.login_url, data=login_data, auth=(self.package_name, self.api_key))
+
+        if r.status_code == 401:
+            raise UnauthorizedError
+        elif r.status_code == 403:
+            raise IncorrectCredentialsError
+        elif r.status_code == 404:
+            raise UserNotFoundError        
+        app_token = json.loads(r.text)['app_token']
+        return app_token
+
+    def refresh_token(self):
+        """
+        Used to refresh your app token
+
+        Returns:
+            str: new app token
+        """
+        r = requests.get(self.refresh_url, auth=(
+            self.package_name, self.api_key), headers=self.headers)
+        new_token = r.json()['app_token']
+        self.app_token = new_token
+        return new_token
+
+    def get_all_devices(self):
+        """
+        Get all devices linked with your account
+
+        Returns:
+            list: list with all devices linked with your account
+
+        """
+        r = requests.get(self.devices_url, auth=(
+            self.package_name, self.api_key), headers=self.headers)
+        devices = r.json()
+        devices_array = []
+        for index, _ in enumerate(devices):
+            devices_array.append(devices[index]['id'])
+        return devices_array
+
+    def send_text(self, text, devices=None, silent=False):
+        """
+        Sends a text to all devices specified
+
+        Args:
+            text (str): the text you want to send
+            devices (list): a list of all devices you want to send the text to
+            silent (bool): if False the message triggers a sound
+
+        Returns:
+            int: error code or 200 if everything went fine
+
+        Raises:
+            MalformedRequestError: the request is malformed, i.e. missing content
+            DeviceNotFoundError: a device couldn\'t be found
+
+        """
+
+        if devices == None:
+            body = {
+                "devices": self.get_all_devices(),
+                "content": text,
+                "silent": silent
+            }
+        else:
+            body = {
+                "devices": devices,
+                "content": text,
+                "silent": silent
+            }
+
+        r = requests.put(self.send_text_url, json=body, auth=(
+            self.package_name, self.api_key), headers=self.headers)
+        if r.status_code == 200:
+            return 200
+        elif r.status_code == 400:
+            raise MalformedRequestError
+        elif r.status_code == 404:
+            raise DeviceNotFoundError
+
+    def send_url(self, url, devices=None, silent=False):
+        """
+        Sends a url to all devices specified
+
+        Args:
+            url (str): the url you want to send
+            devices (list): a list of all devices you want to send the url to
+            silent (bool): if False the message triggers a sound
+
+        Returns:
+            int: error code or 200 if everything went fine
+
+        Raises:
+            MalformedRequestError: the request is malformed, i.e. missing content
+            DeviceNotFoundError: a device couldn\'t be found
+
+        """
+        if devices == None:
+            body = {
+                "devices": self.get_all_devices(),
+                "content": url,
+                "silent": silent
+            }
+        else:
+            body = {
+                "devices": devices,
+                "content": url,
+                "silent": silent
+            }
+
+        r = requests.put(self.send_text_url, json=body, auth=(
+            self.package_name, self.api_key), headers=self.headers)
+
+        if r.status_code == 200:
+            return 200
+        elif r.status_code == 400:
+            raise MalformedRequestError
+        elif r.status_code == 404:
+            raise DeviceNotFoundError
+
+    def send_notification(self, text, url, devices=None, silent=False):
+        """
+        Sends a notification (text + url) to all devices specified
+
+        Args:
+            text (str): the text you want to send
+            url (str): the url you want to send
+            devices (list): a list of all devices you want to send the notification to
+            silent (bool): if False the message triggers a sound
+
+        Returns:
+            int: error code or 200 if everything went fine
+
+        Raises:
+            MalformedRequestError: the request is malformed, i.e. missing content
+            DeviceNotFoundError: a device couldn\'t be found
+
+        """
+        if devices == None:
+            body = {
+                "devices": self.get_all_devices(),
+                "content": text,
+                "url": url,
+                "silent": silent
+            }
+        else:
+            body = {
+                "devices": devices,
+                "content": text,
+                "url": url,
+                "silent": silent
+            }
+
+        r = requests.put(self.send_text_url, json=body, auth=(
+            self.package_name, self.api_key), headers=self.headers)
+
+        if r.status_code == 200:
+            return 200
+        elif r.status_code == 400:
+            raise MalformedRequestError
+        elif r.status_code == 404:
+            raise DeviceNotFoundError
+
+    def send_image(self, image_path, devices=None, silent=False):
+        """
+        Thanks to @Logxn (github/logxn) for this method
+        Sends an image to all devices specified
+
+        Args:
+            image_path (str): the path to the image you want to send
+            devices (list): a list of all devices you want to send the image to
+            silent (bool): if False the message triggers a sound
+
+        Returns:
+            int: error code or 200 if everything went fine
+
+        Raises:
+            MalformedRequestError: the request is malformed, i.e. missing content
+            DeviceNotFoundError: a device couldn\'t be found
+            PayloadTooLargeError: your image is too big (> 5 MB)
+            UnsupportedMediaTypeError: you passed an invalid file type or the device(s) you tried to send this image to can\'t receive images
+        """
+        with open(image_path, 'rb') as image_file:
+            encoded_bytes = base64.b64encode(image_file.read())
+
+        # encoded_image are base64 encoded bytes of the image_file bytes
+        # since json can't handle raw bytes we need to decode them into a base64 string
+        encoded_image = encoded_bytes.decode()
+
+        # generate random file name
+        file_name = str(uuid.uuid4())
+
+        if devices == None:
+            body = {
+                "devices": self.get_all_devices(),
+                "content": encoded_image,
+                "filename": file_name,
+                "silent": silent
+            }
+        else:
+            body = {
+                "devices": devices,
+                "content": encoded_image,
+                "filename": file_name,
+                "silent": silent
+            }
+
+        r = requests.put(self.send_image_url, json=body, auth=(
+            self.package_name, self.api_key), headers=self.headers)
+
+        if r.status_code == 200:
+            return 200
+        elif r.status_code == 400:
+            raise MalformedRequestError
+        elif r.status_code == 404:
+            raise DeviceNotFoundError
+        elif r.status_code == 413:
+            raise PayloadTooLargeError
+        elif r.status_code == 415:
+            raise UnsupportedMediaTypeError
+        else:
+            raise UnknownError
diff --git a/Investigation/bussniffer/tools/opendooralert/pushnotifier/__init__.py b/Investigation/bussniffer/tools/opendooralert/pushnotifier/__init__.py
new file mode 100644
index 0000000..07c1549
--- /dev/null
+++ b/Investigation/bussniffer/tools/opendooralert/pushnotifier/__init__.py
@@ -0,0 +1,2 @@
+__author__ = "Tom Gaimann | github.com/tomg404"
+__version__ = "1.2.2"
diff --git a/Investigation/bussniffer/tools/opendooralert/pushnotifier/__pycache__/PushNotifier.cpython-37.pyc b/Investigation/bussniffer/tools/opendooralert/pushnotifier/__pycache__/PushNotifier.cpython-37.pyc
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diff --git a/Investigation/bussniffer/tools/opendooralert/pushnotifier/__pycache__/__init__.cpython-37.pyc b/Investigation/bussniffer/tools/opendooralert/pushnotifier/__pycache__/__init__.cpython-37.pyc
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diff --git a/Investigation/bussniffer/tools/opendooralert/pushnotifier/__pycache__/exceptions.cpython-37.pyc b/Investigation/bussniffer/tools/opendooralert/pushnotifier/__pycache__/exceptions.cpython-37.pyc
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diff --git a/Investigation/bussniffer/tools/opendooralert/pushnotifier/exceptions.py b/Investigation/bussniffer/tools/opendooralert/pushnotifier/exceptions.py
new file mode 100644
index 0000000..b394ee5
--- /dev/null
+++ b/Investigation/bussniffer/tools/opendooralert/pushnotifier/exceptions.py
@@ -0,0 +1,9 @@
+MalformedRequestError = Exception('the request is malformed, i.e. missing content')
+DeviceNotFoundError = Exception('a device couldn\'t be found')
+UserNotFoundError = Exception('user couldn\'t be found (incorrect username/password)')
+IncorrectCredentialsError = Exception('credentials are incorrect')
+UnauthorizedError = Exception('package name or api key is incorrect')
+PayloadTooLargeError = Exception('your image is too big (> 5 MB)')
+UnsupportedMediaTypeError = Exception('you passed an invalid file type or the device(s) you tried to send this image to can\'t receive images')
+
+UnknownError = Exception('an unknown error occured! please contact the author of this module!')
diff --git a/Investigation/bussniffer/tools/opendooralert/readme.txt b/Investigation/bussniffer/tools/opendooralert/readme.txt
new file mode 100644
index 0000000..b73cac0
--- /dev/null
+++ b/Investigation/bussniffer/tools/opendooralert/readme.txt
@@ -0,0 +1,8 @@
+#start cron editor
+crontab -e
+
+#and add the line:
+@reboot /usr/bin/python3 /home/pi/OpenDoorAlert/opendooralert.py
+
+Save and close, and then run
+update-rc.d cron defaults
\ No newline at end of file
diff --git a/Investigation/bussniffer/tools/opendooralert/runme.sh b/Investigation/bussniffer/tools/opendooralert/runme.sh
new file mode 100644
index 0000000..ded5b34
--- /dev/null
+++ b/Investigation/bussniffer/tools/opendooralert/runme.sh
@@ -0,0 +1 @@
+nohup python3 opendooralert.py &