22/11/2025
A newly analyzed campaign attributed to a cluster known as UNC1549, also tracked under aliases such as Nimbus Manticore, GalaxyGato (are we in Star Wars?), AND Subtle Snail by separate security vendors, marks a significant escalation in both technical complexity and strategic intent. Active since at least late 2023 and continuing through 2025, this threat actor has deployed a suite of custom malware, including the DEEPROOT Linux implant and TWOSTROKE Windows backdoor, exploiting trusted third parties, virtual desktop infrastructure (VDI), and deceptive recruitment lures to compromise aerospace and defense organizations across the Middle East and to the US. Tunnelling tools, credential and privilege escalation tools, the backdoors mentioned, and patience, enable long-term, multi-stage espionage.
The growth of Iranian APTs is not incidental. Isolation has forced Iran to innovate internally, forming dedicated cyber units within the IRGC, Ministry of Intelligence, and affiliated contractors. Threat clusters such as APT33, APT34, OilRig, and MuddyWater have already demonstrated long-term operational discipline and an interest in critical infrastructure, maritime logistics, and petrochemical research. If current patterns continue, Iran may soon possess an espionage program as technically advanced as North Korea’s Lazarus Group or Russia’s APT29, with different priorities and regional focus.
UNC1549 also uses highly credible recruitment-themed phishing: fake job offers, cloned LinkedIn pages, and deceptive HR portals. Aerospace professionals, engineers, avionics specialists, cybersecurity managers are ideal targets due to their access to highly protected intellectual property.
Known targets include a Boeing phishing attempt. Known breaches across Israel recently include Elbit Systems. The UAE Cybersecurity Council remains tight-lipped, although reporting suggests potential targeting in UAE, Turkey, India, and Albania.
Attack chain, operational digital architecture, tactics, and toolkits available on the Substack.
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