host文件域名更改劫持

import os

def check_hosts_file():
    hosts_path = "/etc/hosts" if os.name != 'nt' else "C:\\Windows\\System32\\drivers\\etc\\hosts"
    try:
        with open(hosts_path, 'r') as file:
            content = file.read()
            print("Current content of hosts file:")
            print(content)
    except Exception as e:
        print(f"Error reading hosts file: {e}")

def restore_hosts_file(default_content):
    hosts_path = "/etc/hosts" if os.name != 'nt' else "C:\\Windows\\System32\\drivers\\etc\\hosts"
    try:
        with open(hosts_path, 'w') as file:
            file.write(default_content)
        print("Hosts file restored to default content.")
    except Exception as e:
        print(f"Error restoring hosts file: {e}")

# Example default content for hosts file
default_content = """127.0.0.1       localhost
::1             localhost ip6-localhost ip6-loopback
fe00::0         ip6-localnet
ff00::0         ip6-mcastprefix
ff02::1         ip6-allnodes
ff02::2         ip6-allrouters
"""

check_hosts_file()
restore_hosts_file(default_content)