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high threat

Screening Serpens APT Targets Tech and Defense Sectors with New RATs

The Iranian APT group Screening Serpens targeted the tech and defense sectors in the U.S., Israel, and the UAE between February and April 2026, deploying six new RAT variants from the MiniUpdate and MiniJunk V2 malware families, using tailored social engineering lures and AppDomainManager hijacking.

MiniUpdate +2 Screening Serpens APT Iran RAT MiniJunk DLL Sideloading AppDomainManager Cyberespionage
2r 3t