Skip to content
BADIIS Malware Compromises 1,800+ Windows Servers for SEO Poisoning

BADIIS Malware Compromises 1,800+ Windows Servers for SEO Poisoning

First seen 13 Feb 2026, 07:08 UTC

Article Content

Browse articles
ThreatCluster AI
ThreatCluster March 12, 2026 at 16:10 UTC

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.

Start a free Starter trial for enhanced analysis

Ask AI about this cluster

Updated 183d ago How this analysis works

Timeline

2026-02-13
BADIIS malware discovered affecting over 1,800 Windows servers

More articles in this cluster (5)

Following this threat?

Track Ref4033 and BadIIS in your own feed — you're alerted when they show up in new reporting, leak sites or exploitation.

Free account · no card needed