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Threat actor

UAT-8099

China

Tracked by CyberSIXT since 3 Oct 2025

Articles · all time
4
Articles · last 30 days
0
CVEs exploited · attributed
0
Research reports · all time
0

4 articles from 3 outlets since 3 Oct 2025; the latest 266 days ago.

UAT-8099: coverage over time4 articles from 3 outlets. First report 3 Oct 2025 by SecurityOnline. Busiest week: 2 articles, week of 29 Sep 2025. 0 in the last 7 days. UAT-8099: coverage over time4 articles from 3 outlets. First report 3 Oct 2025 by SecurityOnline. Busiest week: 2 articles, week of 29 Sep 2025. 0 in the last 7 days.
  • Article
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UAT-8099: articles
Published (UTC)OutletHeadline
Mon 2 Feb · 01:40 UTCSecurityOnlineIIS Under Siege: UAT-8099 Deploys Region-Locked “BadIIS” & Linux Variants
Fri 30 Jan · 13:35 UTCThe Hacker NewsChina-Linked UAT-8099 Targets IIS Servers in Asia with BadIIS SEO Malware
Fri 3 Oct 2025 · 13:05 UTCDark ReadingUAT-8099 Hijacks Reputable Sites for SEO Fraud & Theft
Fri 3 Oct 2025 · 03:11 UTCSecurityOnlineUAT-8099: Chinese Group Uses BadIIS Malware on Compromised Servers for SEO Fraud and Credential Theft

Who reported 3 outlets

  • SecurityOnline2
  • Dark Reading1
  • The Hacker News1
See the full timeline

Names and sources

UAT-8099
Named by CyberSIXT coverage
UAT-8099
Named by Malpedia · uat-8099
UAT-8099
Named by MISP Galaxy · 284151b2-6f0b-4835-9589-68a8c3287e1e
284151b2-6f0b-4835-9589-68a8c3287e1e
Named by CyberSIXT coverage

Attributed facts

origin
China (MISP Galaxy · 284151b2-6f0b-4835-9589-68a8c3287e1e)

Coverage

4 articles, all timeFull timeline RSS feed
  1. IIS Under Siege: UAT-8099 Deploys Region-Locked “BadIIS” & Linux VariantsSecurityOnline
  2. China-Linked UAT-8099 Targets IIS Servers in Asia with BadIIS SEO MalwareThe Hacker News
  3. UAT-8099 Hijacks Reputable Sites for SEO Fraud & TheftDark Reading
  4. UAT-8099: Chinese Group Uses BadIIS Malware on Compromised Servers for SEO Fraud and Credential TheftSecurityOnline · first in our coverage

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