Scouring the DNS for Traces of the Hiddengh0st and Winos SEO Poisoning Campaign

The recent Hiddengh0st and Winos search engine optimization (SEO) poisoning campaign targeted Chinese-speaking users. The attackers manipulated search rankings with SEO plug-ins and registered look-alike domains that closely mimicked legitimate software sites.

Fortinet identified 13 indicators of compromise (IoCs).¹ We analyzed eight IoCs—five domains and four IP addresses, and discovered:

• 7,741 email-connected domains
• Eight additional IP addresses, seven were malicious
• 36 string-connected domains

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• [1] https://www.fortinet.com/blog/threat-research/seo-poisoning-attack-targets-chinese-speaking-users-with-fake-software-sites