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BADIIS Malware Targets Over 1,800 Windows Servers in Massive SEO Poisoning Attack

Gbhackers •Mayura Kathir • February 13, 2026

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

BADIIS Malware Compromises 1,800+ Windows Servers for SEO Poisoning A cyber campaign has compromised over 1,800 Windows servers worldwide using BADIIS malware. This malware specifically targets Internet Information Services (IIS) environments, converting legitimate servers into a network for SEO poisoning, promoting illegal gambling sites and fraudulent cryptocurrency operations. 5 sources 33

Extracted Entities

BADIIS Malware Targets Over 1,800 Windows Servers in Massive SEO Poisoning Attack

The full story

Extracted Entities

Attack Types (1)

Malware (1)

Platforms (1)