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×ֵ乥»÷ÊÇÒ»ÖÖ³£¼ûµÄÃÜÂë¹¥»÷·½·¨ £¬¹¥»÷ÕßʵÑéʹÓÃÒ»¸öÊÂÏȹ¹½¨ºÃµÄÃÜÂë×ÖµäÀ´ÆƽâÓû§ÃÜÂë ¡£ÎªÁËÌá·À×ֵ乥»÷ £¬½¨Òé½ÓÄÉÇ¿ÃÜÂë £¬²¢ÏÞÖƵǼʵÑé´ÎÊý ¡£

Brute-Force ¹¥»÷

Brute-Force ¹¥»÷ÊÇͨ¹ýʵÑéËùÓпÉÄܵÄÃÜÂë×éºÏÀ´ÆƽâÓû§ÃÜÂë ¡£ÎªÁËÌá·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×ÚαÔìÇëÇó £¬´Ó¶øʹЧÀÍÆ÷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´¹ýÂËÇëÇó £¬²¢ÉèÖúÏÀíµÄÅþÁ¬³¬Ê±Ê±¼ä ¡£

ʾÀý´úÂ룺

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¥»÷

SQL ×¢Èë¹¥»÷ÊÇÖ¸¹¥»÷Õßͨ¹ýÔÚÊäÈë×Ö¶ÎÖвåÈë¶ñÒâ SQL Óï¾äÀ´»ñÈ¡Ãô¸ÐÐÅÏ¢¡¢ÐÞ¸ÄÊý¾Ý»òÕßÖ´ÐÐí§Òâ´úÂë ¡£ÎªÁËÌá·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˺ÍתÒå £¬È·±£Óû§²»¿É²åÈë¶ñÒâ¾ç±¾ ¡£

ʾÀý´úÂ룺

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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