Android Packet Sniffer

#!/data/data/com.termux/files/usr/bin/bash

INTERFACE="wlan0"
OUTPUT_FILE="captured_packets.pcap"
CAPTURE_DURATION=30
AIRODUMP_FILE="airodump_output.txt"

install_dependencies() {
  echo "Updating and installing required packages..."
  pkg update && pkg upgrade -y
  pkg install -y termux-tools tshark aircrack-ng nmap tcpdump dialog
}

check_tool_availability() {
  type $1 > /dev/null 2>&1
}

prepare_environment() {
  echo "Preparing the environment..."
  rm -f $OUTPUT_FILE $AIRODUMP_FILE
}

start_packet_capture() {
  echo "Starting packet capture on interface $INTERFACE for $CAPTURE_DURATION seconds..."
  dialog --infobox "Capturing packets...\nPress OK to stop." 5 40
  nohup tcpdump -i $INTERFACE -w $OUTPUT_FILE > /dev/null 2>&1 &
  PID=$!
  dialog --yes-label "Stop" --no-label "Cancel" --yesno "Capturing packets...\nPress Stop to end capture." 10 40
  stop_packet_capture $PID
}

stop_packet_capture() {
  local pid=$1
  echo "Stopping packet capture (PID: $pid)..."
  pkill -F $pid
  echo "Packet capture stopped."
}

scan_wifi_networks() {
  echo "Scanning available Wi-Fi networks..."
  airodump-ng $INTERFACE --output-format csv -w $AIRODUMP_FILE
  cat $AIRODUMP_FILE | tail -n +4 | awk -F "," '{print "BSSID: "$1"\tESSID: "$13"\tChannel: "$4"\tEncryption: "$6}'
}

network_device_scan() {
  echo "Scanning for devices on the network..."
  nmap -sn 192.168.1.0/24
}

analyze_packets() {
  echo "Analyzing captured packets using tshark..."
  tshark -r $OUTPUT_FILE
}

additional_network_methods() {
  scan_wifi_networks
  network_device_scan
  # Add more advanced network methods here
}

main_menu() {
  choice=$(dialog --menu "GhostSec Packet Collector" 15 40 8 \
    1 "Start Packet Capture" \
    2 "Stop Packet Capture" \
    3 "Scan Wi-Fi Networks" \
    4 "Network Device Scan" \
    5 "Analyze Captured Packets" \
    6 "Additional Network Methods" \
    7 "Exit" 3>&2 2>&1 1>&3)

  case $choice in
    1) start_packet_capture ;;
    2) stop_packet_capture ;;
    3) scan_wifi_networks ;;
    4) network_device_scan ;;
    5) analyze_packets ;;
    6) additional_network_methods ;;
    7) exit ;;
  esac
}

main() {
  install_dependencies

  check_tool_availability tcpdump || { echo "Error: tcpdump not found. Please install it."; exit 1; }
  check_tool_availability tshark || { echo "Error: tshark not found. Please install it."; exit 1; }
  check_tool_availability airodump-ng || { echo "Error: airodump-ng not found. Please install it."; exit 1; }
  check_tool_availability nmap || { echo "Error: nmap not found. Please install it."; exit 1; }
  check_tool_availability dialog || { echo "Error: dialog not found. Please install it."; exit 1; }

  prepare_environment

  while true; do
    main_menu
  done
}

main