{"id":777,"date":"2013-02-27T21:12:02","date_gmt":"2013-02-28T05:12:02","guid":{"rendered":"http:\/\/e-olio.com\/cknow\/cms\/?p=777"},"modified":"2013-05-07T22:12:12","modified_gmt":"2013-05-08T05:12:12","slug":"search-poisoning","status":"publish","type":"post","link":"https:\/\/www.cknow.com\/cms\/vtutor\/search-poisoning.html","title":{"rendered":"Search Poisoning"},"content":{"rendered":"<p><div class=\"simplePullQuote right\"><p><strong>Basically, search poisoning involves causing search engines to display links to websites with malicious software on them high up in the search results.<\/strong><\/p>\n<\/div>Let&#8217;s face it, users trust search engines like Google and others. Search Poisoning takes advantage of this trust and attempts to lure users to infected websites by constructing them in a way that they show up high in search results for popular search keywords.<\/p>\n<p>Cybercrooks use automation tools to build websites filled with hundreds of megabytes of commonly used search terms. These sites then get indexed and show up in the search results. Initially, the sites don&#8217;t contain malware but, as they climb in the search rankings the switch to an infected site is made. As an example, in a post-Thanksgiving 2007 attack, vandals loaded popular holiday gift search ideas into tens of thousands of malware-serving sites.<\/p>\n<p>Comment spam left on bulletin board systems and blogs is also a common method of increasing the rankings. The comment spam can be left by <a href=\"https:\/\/www.cknow.com\/cms\/vtutor\/botnet.html\">botnets<\/a>.<\/p>\n<p>As with all Web page exploits, the page can have code on it that automatically infects; sometimes using unpatched holes. Or, the visitor will be prompted to download and install a browser helper or CODEC in order to properly view the site. Some of these prompts may even look like official prompts asking you to upgrade a browser helper (e.g., PDF viewer or Flash player) the visitor already has.<\/p>\n<p>Search engines are usually quick to remove poisoned links once they are known but the malware producers are pretty clever about making and distributing this content so it&#8217;s almost a guarantee that some will slip by. For example, 27 January 2009, Google Video search was hit with a <a href=\"http:\/\/blogs.zdnet.com\/security\/?p=2433&amp;tag=nl.e550\" target=\"_blank\">search poisoning attack<\/a><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.cknow.com\/cms\/wp-content\/uploads\/2013\/02\/weblink.png\" alt=\"Web Link\" width=\"16\" height=\"16\" class=\"alignnone size-full wp-image-7\" \/> involving the W32\/AutoTDSS.BNA! worm and associated X-rated website.<\/p>\n<h4>Summary<\/h4>\n<ul>\n<li>Search poisoning involves causing search engines to display links to bad websites.<\/li>\n<li>The websites may have valid content for some period before turning malicious. This makes their search rankings higher.<\/li>\n<li>Search engines probably can&#8217;t keep up at all times.<\/li>\n<\/ul>\n<table style=\"margin: 0pt; width: 100%;\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\" align=\"center\">\n<tbody>\n<tr align=\"center\">\n<td style=\"padding: 0 0 0 0;\" colspan=\"2\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.cknow.com\/cms\/wp-content\/uploads\/2013\/02\/arrow_up.png\" alt=\"Up Arrow\" width=\"16\" height=\"16\" class=\"alignnone size-full wp-image-579\" \/> <a href=\"https:\/\/www.cknow.com\/cms\/vtutor\/how-viruses-infect.html\">How Viruses Infect<\/a> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.cknow.com\/cms\/wp-content\/uploads\/2013\/02\/arrow_up.png\" alt=\"Up Arrow\" width=\"16\" height=\"16\" class=\"alignnone size-full wp-image-579\" \/><\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 0 0 0 0;\" align=\"right\"><a href=\"https:\/\/www.cknow.com\/cms\/vtutor\/peer-to-peer-network.html\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.cknow.com\/cms\/wp-content\/uploads\/2013\/02\/arrow_prior.gif\" alt=\"Prior Page\" width=\"48\" height=\"32\" class=\"alignnone size-full wp-image-578\" \/><\/a><\/td>\n<td style=\"padding: 0 0 0 0;\" align=\"left\"><a href=\"https:\/\/www.cknow.com\/cms\/vtutor\/trusted-software-or-site.html\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.cknow.com\/cms\/wp-content\/uploads\/2013\/02\/arrow_next.gif\" alt=\"Next Page\" width=\"48\" height=\"32\" class=\"alignnone size-full wp-image-577\" \/><\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"padding-right: 20px; text-align: right; width: 50%;\"><a href=\"https:\/\/www.cknow.com\/cms\/vtutor\/peer-to-peer-network.html\">Peer-to-Peer Network<\/a> <\/td>\n<td style=\"padding-left: 20px; width: 50%; text-align: left;\"> <a href=\"https:\/\/www.cknow.com\/cms\/vtutor\/trusted-software-or-site.html\">Trusted Software or Site<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Let&#8217;s face it, users trust search engines like Google and others. Search Poisoning takes advantage of this trust and attempts to lure users to infected websites by constructing them in a way that they show up high in search results for popular search keywords. Cybercrooks use automation tools to build websites filled with hundreds of [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-777","post","type-post","status-publish","format-standard","hentry","category-vtutor","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Search Poisoning - C-Know Media<\/title>\n<meta name=\"description\" content=\"Basically, search poisoning involves causing search engines to display links to websites with malicious software on them high up in the search results.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cknow.com\/cms\/vtutor\/search-poisoning.html\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Search Poisoning - 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