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2 IOCs

Update on Citrix NetScaler CVE-2026-88771 and CVE-2026-88772: Expanded THOR Detection Coverage

Nextron Systems
Nextron Systems
Published October 6, 2026Original Report

Excerpt

Over the last several days, our Research Team has continued to analyze artifacts associated with the exploitation of Citrix NetScaler CVE-2026-88771 and CVE-2026-88772. As more samples, technical reports and information from partners became available, we extended the initial THOR coverage with another set of dedicated detection rules. We now have 21 new rules covering different parts of the exploitation and post-exploitation activity observed in this campaign.…

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Indicators of Compromise

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2 indicators

TypeIndicatorConfidenceScoreFirst Seen
CVECVE-2026-88772HighScore 82/100First seen
CVECVE-2026-88771HighScore 82/100First seen

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