There are many non-profit organizations/government websites embedded in the dark chain, most of which are local industry association websites, but there are also national association websites such as China XXX Development Research Center and China XXX Development Alliance. Judging from the distribution of top-level domains embedded in dark chain web pages, ".com" accounted for the largest proportion, accounting for 72% of the total. Controlled website distributionĪfter long-term follow-up, it was discovered that from January to March 2019 alone, the black production group controlled and used at least 12,700 sites. Since the registered email addresses of the external link domain names controlled by the black production group are all we named it DaSheng. In order to bypass security defenses, it uses thousands of proxies/second dial IP for crazy intrusion every day. The upstream hacker organization of this gang has mastered a large number of IP infrastructures. Intruded websites are often implanted with multiple backdoors, which can be reused by hackers and become profit-making tools for black production, posing huge security risks. This gang controls a huge number of websites, and most of the websites promoted are illegal websites, which poses great harm to the Internet industry. The Alibaba Cloud security team recently tracked down a gang that used web vulnerabilities to invade websites and hijacked the homepage of the website for bulk SEO promotion. tamper with website content, and conduct search engine promotion for illegal sites such as pornography, gambling and gambling. In the underground network world, a complete black industry chain has been formed: hackers use the security loopholes in the website to gain control of the website through intrusion methods and plant backdoors, sell the backdoors to black hat SEO operators, and black hat SEO through the dark Technological means such as chain, website hijacking, etc. The main goal of hackers is to seek illegal economic benefits, and black hat SEO is an important means for hackers to quickly realize their profits. Compared with legal SEO technical services, the effect of black hat SEO is very fast, it can improve the ranking in a short time for rapid promotion, and the content of the promoted website is not subject to legal restrictions. is usually called black hat SEO.īlack hat SEO services usually target illegal products or websites. the second is to use cheating means to quickly improve website ranking in search engines, such as The use of hacking techniques such as spider pools, dark chains, site groups, client hijacking, server hijacking, etc. SEO services are divided into two types: one is legal technical means, which improves website ranking through reasonable means such as on-site optimization, off-site optimization, content construction, etc. SEO (Search Engine Optimization) is called search engine optimization, which refers to the use of search engine rules to improve the natural ranking of websites in relevant search engines. Since Internet portal traffic is mainly occupied by search engines, the ranking of websites in search engines directly affects the marketing effect, so SEO services came into being. 2019 Unicorn Enterprise Heavy Recruitment Standards for Python Engineers > View Image Overview
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