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high threat

Nimbus Manticore Resurfaces During Operation Epic Fury with New Techniques

Nimbus Manticore, an Iranian IRGC-affiliated threat actor, resurfaced during Operation Epic Fury, employing AppDomain Hijacking, SEO poisoning, and a new MiniFast backdoor while targeting the aviation and software sectors.

Setup.exe +3 Nimbus Manticore nimbus-manticore irgc appdomain-hijacking seo-poisoning minijunk minifast infostealer
2r 3t
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