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Tracking Iranian APT Screening Serpens’ 2026 Espionage Campaigns

·Source: Unit 42 (Palo Alto)

Updated:

Executive Summary

Unit 42 details Screening Serpens' use of AppDomainManager hijacking and new RAT variants to target tech and defense sectors in recent campaigns. The post Tracking Iranian APT Screening Serpens’ 2026 Espionage Campaigns appeared first on Unit 42 .

Analysis

Unit 42 details Screening Serpens' use of AppDomainManager hijacking and new RAT variants to target tech and defense sectors in recent campaigns. The post Tracking Iranian APT Screening Serpens’ 2026 Espionage Campaigns appeared first on Unit 42 .
Source Attribution

Originally published by Unit 42 (Palo Alto) on May 22, 2026.

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