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DNS劫持漏洞呈上升趨勢(shì)，請(qǐng)站長(zhǎng)關(guān)注

親愛的網(wǎng)站管理員，

百度安全團(tuán)隊(duì)檢測(cè)到一大批網(wǎng)站被黑客非法入侵，嵌入惡意代碼導(dǎo)致用戶dns被蓄意篡改，從而對(duì)用戶的安全造成了嚴(yán)重的影響。知名安全網(wǎng)站烏云也曾進(jìn)行過公布（http://paper.wooyun.org/bugs/wooyun-2010-037425），我們發(fā)現(xiàn)近期受該漏洞影響的網(wǎng)站呈現(xiàn)快速上升的趨勢(shì)。

據(jù)悉，DNS劫持漏洞的具體表現(xiàn)及危害為：當(dāng)網(wǎng)友訪問存在此漏洞的網(wǎng)站時(shí)，網(wǎng)站會(huì)正常打開，但在后臺(tái)，網(wǎng)站會(huì)自動(dòng)分析用戶所使用的路由器用戶名和密碼。針對(duì)密碼較弱的用戶，網(wǎng)站會(huì)自動(dòng)破解登錄，登錄成功后篡改用戶的DNS設(shè)置，然后在用戶毫不知情的情況下，跟蹤用戶上網(wǎng)行為，盜取個(gè)人信息。被劫持的用戶很容易受到黑客操縱，在渾然不覺的情況下，被帶入釣魚網(wǎng)站，這樣，當(dāng)用戶進(jìn)行網(wǎng)上金融交易等敏感操作時(shí)，極易造成重大的財(cái)產(chǎn)損失。

目前我們已檢測(cè)出有12332個(gè)網(wǎng)站受到該木馬的侵害。對(duì)于受到污染的網(wǎng)站，百度搜索系統(tǒng)會(huì)暫時(shí)將其放入黑名單中，對(duì)其進(jìn)行保護(hù)性攔截，同時(shí)我們已經(jīng)將相應(yīng)情況通過站長(zhǎng)平臺(tái)消息提醒工具通知了相關(guān)站長(zhǎng)。

我們建議您及時(shí)進(jìn)行清理并修補(bǔ)漏洞，當(dāng)百度確認(rèn)該站點(diǎn)已進(jìn)行清理完成后，會(huì)將其從黑名單中移除，以最大程度地保證網(wǎng)站和用戶利益不受損害。

來源：百度搜索資源平臺(tái) 百度搜索學(xué)堂

Public @ 2010-12-19 15:37:34

網(wǎng)站防止CC攻擊的方法

CC攻擊（Challenge Collapsar）是DDOS（分布式拒絕服務(wù)）的一種，也是一種常見的網(wǎng)站攻擊方法，攻擊者通過代理服務(wù)器或者肉雞向向受害主機(jī)不停地發(fā)大量數(shù)據(jù)包，造成對(duì)方服務(wù)器資源耗盡，一直到宕機(jī)崩潰。CC攻擊的攻擊技術(shù)含量低，利用工具和一些IP代理，一個(gè)初、中級(jí)的電腦水平的用戶就能夠?qū)嵤┕?。不過，如果了解了CC攻擊的原理，那就不難針對(duì)CC攻擊實(shí)施一些有效的防范措施。通常防止CC攻擊

Public @ 2012-02-16 15:37:51

善用抓取診斷工具：站點(diǎn)IP變更

在與站長(zhǎng)朋友私下交流中，站長(zhǎng)表示：最怕改版，最怕?lián)QIP，每次都是萬不得已身不由己。改版還好些，有改版工具可以使用。換了IP都不知道怎么通知百度。其實(shí)，登錄百度搜索資源平臺(tái)，使用抓取診斷工具，換IP真的不是愁事。抓取診斷工具會(huì)檢查站點(diǎn)與百度的連接是否暢通，若站長(zhǎng)發(fā)現(xiàn)IP信息還是老舊的，可以通過“報(bào)錯(cuò)”通知百度搜索引擎更新IP，如下圖所示：重要提示：由于spider精力有限，如遇報(bào)錯(cuò)后網(wǎng)站IP依舊沒有

Public @ 2014-10-20 15:26:06

DNS劫持和DNS污染的區(qū)別

我們知道，某些網(wǎng)絡(luò)運(yùn)營(yíng)商為了某些目的，對(duì)DNS進(jìn)行了某些操作，導(dǎo)致網(wǎng)民使用正常的上網(wǎng)設(shè)置無法通過域名解析出正確的IP地址。常用的手段有：DNS劫持和DNS污染。什么是DNS劫持DNS劫持就是通過劫持了DNS服務(wù)器，通過某些手段取得某域名的解析記錄控制權(quán)，進(jìn)而修改此域名的解析結(jié)果，導(dǎo)致對(duì)該域名的訪問由原IP地址轉(zhuǎn)入到修改后的指定IP，其結(jié)果就是對(duì)特定的網(wǎng)址不能訪問或訪問的是假網(wǎng)址，從而實(shí)現(xiàn)竊取資料或

Public @ 2018-08-11 15:37:35

DNS劫持漏洞呈上升趨勢(shì)，請(qǐng)站長(zhǎng)關(guān)注

親愛的網(wǎng)站管理員，百度安全團(tuán)隊(duì)檢測(cè)到一大批網(wǎng)站被黑客非法入侵，嵌入惡意代碼導(dǎo)致用戶dns被蓄意篡改，從而對(duì)用戶的安全造成了嚴(yán)重的影響。知名安全網(wǎng)站烏云也曾進(jìn)行過公布（http://paper.wooyun.org/bugs/wooyun-2010-037425），我們發(fā)現(xiàn)近期受該漏洞影響的網(wǎng)站呈現(xiàn)快速上升的趨勢(shì)。據(jù)悉，DNS劫持漏洞的具體表現(xiàn)及危害為：當(dāng)網(wǎng)友訪問存在此漏洞的網(wǎng)站時(shí)，網(wǎng)站會(huì)正常打開，

Public @ 2010-12-19 15:37:34

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基本文件流程錯(cuò)誤 SQL 調(diào)試

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[ DB ] CONNECT:[ UseTime:0.034526s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.024273s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.023176s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_config', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 25, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_hook` [ RunTime:0.025255s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.023089s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_hook', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 3, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.023780s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 1387 LIMIT 1 [ RunTime:0.023144s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='cate' order by times desc limit 15 [ RunTime:0.023438s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by times desc limit 100 [ RunTime:0.023627s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by rand() limit 30 [ RunTime:0.024087s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 1387 LIMIT 1 [ RunTime:0.023057s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] update `ob_article` set views=views+2 where id=1387 [ RunTime:0.023941s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo技術(shù)提升' AND `status` <> -1 LIMIT 1 [ RunTime:0.030153s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo技術(shù)提升' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.065665s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海dns劫持' AND `status` <> -1 LIMIT 1 [ RunTime:0.029598s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海dns劫持' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.038855s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

0.783317s

Categories

Tags

DNS劫持漏洞呈上升趨勢(shì)，請(qǐng)站長(zhǎng)關(guān)注

網(wǎng)站防止CC攻擊的方法

善用抓取診斷工具：站點(diǎn)IP變更

DNS劫持和DNS污染的區(qū)別

DNS劫持漏洞呈上升趨勢(shì)，請(qǐng)站長(zhǎng)關(guān)注

更多您感興趣的搜索

Categories

Tags

DNS劫持漏洞呈上升趨勢(shì)，請(qǐng)站長(zhǎng)關(guān)注

網(wǎng)站防止CC攻擊的方法

善用抓取診斷工具：站點(diǎn)IP變更

DNS劫持和DNS污染的區(qū)別

DNS劫持漏洞呈上升趨勢(shì)，請(qǐng)站長(zhǎng)關(guān)注

更多您感興趣的搜索

DNS劫持漏洞呈上升趨勢(shì)，請(qǐng)站長(zhǎng)關(guān)注