Security
Citrix NetScaler Post-Exploitation Payload Creates Superuser, Maps Web Shell to CSS-Like URLs
The Hacker News·October 1, 2026·1 min read
Threat actors exploited a critical pre-authentication command injection vulnerability in Citrix NetScaler ADC and Gateway to drop web shells and steal configuration data. LevelBlue's THOR team analyzed the activity across multiple customer environments, identifying malicious NetScaler payloads that created superuser access and mapped web shells to CSS-like URLs for stealthy data exfiltration.
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