ncat - HOW TO SEND MESSAGE TO MY ANDROID PHONE BY KALI LINUX IN SAME NETWORK

 To send a message to your Android phone from Kali Linux within the same network, you can use various methods depending on your specific needs and setup. Here’s a general approach using some common tools and techniques:

Method 1: Using Netcat (nc)

Netcat is a versatile networking utility that can be used for sending messages between devices in a network.

1. On the Android Phone:

   • Install a netcat-like tool from the Play Store. Termux is a good choice, as it provides a Linux-like environment on Android.

2. On Kali Linux:

   • Open a terminal window.

3. Find the IP Address of Your Android Phone:

   • On your Android device, go to Settings > About Phone > Status and note down the IP address. Alternatively, you can use a network scanning tool like nmap from Kali Linux to scan your network (nmap -sn <network>).

4. Send a Message:

• On Kali Linux, use Netcat to send a message to your Android device:

  bash
  echo "Your message here" | nc <android_ip_address> <port_number>
  

  Replace <android_ip_address> with the IP address of your Android phone and <port_number> with an available port number (e.g., 12345).

• On the Android device (using Termux or similar):

  bash
  nc -l -p <port_number>
  

  This command starts listening on the specified port (<port_number>) to receive the message from Kali Linux.

• After running the command on Kali Linux, the message should appear on your Android phone in Termux.

5. To send a message from one Kali Linux machine to another on the same network, you can use various methods depending on your needs and the setup of your network. Here are a few common methods:
   
   
   ### 1. **Netcat (nc)**
   Netcat is a powerful networking utility that can read and write data across network connections using TCP or UDP.
   
   
   **On the receiving machine:**
   ```sh
   nc -l -p 12345
   ```
   **On the sending machine:**
   ```sh
   echo "Hello, this is a test message" | nc <receiver_IP_address> 12345
   ```
   Replace `<receiver_IP_address>` with the IP address of the receiving machine.
   
   
   ### 2. **SSH**
   If SSH is set up on both machines, you can use `ssh` to send messages or execute commands remotely.
   
   
   **On the sending machine:**
   ```sh
   ssh user@<receiver_IP_address> 'echo "Hello, this is a test message"'
   ```
   Replace `user` with the username on the receiving machine and `<receiver_IP_address>` with the IP address of the receiving machine.
   
   
   ### 3. **Using a Simple Python HTTP Server**
   You can create a simple HTTP server on one machine and send a message via HTTP from another machine.
   
   
   **On the receiving machine (create a simple HTTP server):**
   ```sh
   python3 -m http.server 8000
   ```
   **On the sending machine (send a message using curl or wget):**
   ```sh
   curl http://<receiver_IP_address>:8000
   ```
   Replace `<receiver_IP_address>` with the IP address of the receiving machine.
   
   
   ### 4. **Using Message Queuing Systems (like RabbitMQ)**
   For more advanced and robust messaging, you can set up message brokers like RabbitMQ, Kafka, etc.
   
   
   ### 5. **Using SMB or Shared Folder**
   You can set up a shared folder and write messages into files that can be read by other machines.
   
   
   **On the receiving machine (set up a shared folder):**
   ```sh
   mkdir /shared
   chmod 777 /shared
   ```
   **On the sending machine (write a message to a file in the shared folder):**
   ```sh
   echo "Hello, this is a test message" > /shared/message.txt
   ```
   
   
   ### 6. **Using Instant Messaging Tools**
   For a more user-friendly approach, you can use tools like `net-send` (on Windows networks) or even chat applications like IRC, Slack, etc.
   
   
   Choose the method that best suits your needs and network configuration