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Brute-Force ¹¥»÷ÊÇͨ¹ýʵÑéËùÓпÉÄܵÄÃÜÂë×éºÏÀ´ÆƽâÓû§ÃÜÂ롣ΪÁËÌá·À Brute-Force ¹¥»÷£¬¿ÉÒÔÏÞÖƵǼʵÑé´ÎÊý£¬²¢ÆôÓÃÕË»§Ëø¶¨¹¦Ð§¡£

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ÒÔÏÂÊÇÒ»¸ö¼òÆ Python ´úÂëʾÀý£¬ÓÃÓÚÏÞÖƵǼʵÑé´ÎÊý£º

import os

def verify_login(username, password):
    attempts = 0
    while attempts < 3:
        # ÑéÖ¤Óû§ÃûºÍÃÜÂë
        if username == "admin" and password == "password":
            return True
        else:
            attempts += 1
            print("µÇ¼ʧ°Ü£¬Ê£ÓàʵÑé´ÎÊý: {}".format(3 - attempts))
            password = input("ÇëÊäÈëÃÜÂë: ")
    return False

# ʾÀýÓ÷¨
username = input("ÇëÊäÈëÓû§Ãû: ")
password = input("ÇëÊäÈëÃÜÂë: ")

if verify_login(username, password):
    print("µÇ¼Àֳɣ¡")
else:
    print("µÇ¼ʧ°Ü£¬ÇëÉÔºóÔÙÊÔ¡£")
    os.system("sleep 5")  # ÑÓ³Ù 5 Ãë

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DDoS ¹¥»÷

DDoS£¨ÂþÑÜʽ¾Ü¾øЧÀÍ£©¹¥»÷ÊÇÖ¸¹¥»÷ÕßͬʱʹÓôó×ÚµÄÅÌËã»úÀ´·¢ËÍ´ó×ÚαÔìÇëÇ󣬴ӶøʹЧÀÍÆ÷ÎÞ·¨Õý³£Ð§ÀÍ¡£ÎªÁËÌá·À DDoS ¹¥»÷£¬¿ÉÒÔ½ÓÄÉ·À»ðǽºÍÁ÷Á¿µ÷ÀíÆ÷µÄ×éºÏÕ½ÂÔ£¬²¢ÏÞÖÆÅþÁ¬ËÙÂÊ¡£

SYN ¹¥»÷

SYN ¹¥»÷ÊÇÖ¸¹¥»÷Õß·¢ËÍ´ó×ÚαÔìµÄ SYN ÇëÇó£¬Õ¼ÓÃЧÀÍÆ÷×ÊÔ´£¬²¢µ¼ÖÂÕý³£Óû§ÎÞ·¨»á¼û¡£ÎªÁËÌá·À SYN ¹¥»÷£¬¿ÉÒÔ½ÓÄÉ SYN ¹ýÂËÆ÷À´¹ýÂËÇëÇ󣬲¢ÉèÖúÏÀíµÄÅþÁ¬³¬Ê±Ê±¼ä¡£

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ÒÔÏÂÊÇÒ»¸ö¼òÆ Python ´úÂëʾÀý£¬ÓÃÓÚʵÏÖ SYN ¹ýÂËÆ÷£º

import iptc

def add_syn_rule(ip_address):
    rule = iptc.Rule()
    rule.protocol = "tcp"
    rule.src = ip_address
    rule.create_target("DROP")

    chain = iptc.Chain(iptc.Table(iptc.Table.FILTER), "INPUT")
    chain.insert_rule(rule)

# ʾÀýÓ÷¨
ip_address = input("ÇëÊäÈëÐèÒª¹ýÂ赀 IP µØµã: ")
add_syn_rule(ip_address)
print("SYN ¹ýÂ˹æÔòÌí¼ÓÀֳɣ¡")

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SQL ×¢Èë¹¥»÷ÊÇÖ¸¹¥»÷Õßͨ¹ýÔÚÊäÈë×Ö¶ÎÖвåÈë¶ñÒâ SQL Óï¾äÀ´»ñÈ¡Ãô¸ÐÐÅÏ¢¡¢ÐÞ¸ÄÊý¾Ý»òÕßÖ´ÐÐí§Òâ´úÂ롣ΪÁËÌá·À SQL ×¢Èë¹¥»÷£¬¿ÉÒÔʹÓòÎÊý»¯ÅÌÎʺÍÊäÈëÑéÖ¤À´¹ýÂËÓû§ÊäÈë¡£

XSS ¹¥»÷

XSS£¨¿çÕ¾¾ç±¾£©¹¥»÷ÊÇÖ¸¹¥»÷Õßͨ¹ý¶ñÒâ´úÂëǶÈëÍøÒ³ÖÐÀ´ÇÔÈ¡Óû§Êý¾Ý¡¢¸Ä¶¯Ò³ÃæÄÚÈÝ»òÕßÌṩ¶ñÒâÁ´½Ó¡£ÎªÁËÌá·À XSS ¹¥»÷£¬Ó¦¶ÔËùÓÐÓû§ÊäÈë¾ÙÐйýÂ˺ÍתÒ壬ȷ±£Óû§²»¿É²åÈë¶ñÒâ¾ç±¾¡£

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ÒÔÏÂÊÇÒ»¸ö¼òÆ PHP ´úÂëʾÀý£¬ÓÃÓÚÌá·À SQL ×¢Èë¹¥»÷£º

<?php
function mysqli_safe_query($connection, $query, $params) {
    $_params = array();
    foreach ($params as $param) {
        $_params[] = mysqli_real_escape_string($connection, $param);
    }
    return mysqli_query($connection, vsprintf($query, $_params));
}

// ʾÀýÓ÷¨
$connection = mysqli_connect("localhost", "username", "password", "database");
$query = "SELECT * FROM users WHERE id = %d";
$id = $_GET["id"];
$result = mysqli_safe_query($connection, $query, array($id));
// ...
?>

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