Nimbus Manticore Deploys NightLedger and Turns Victim Systems Into Covert Relays

The Hacker News 28 July 2026, 14:55 EEST Security

The Iranian state-backed hacking group tracked as Nimbus Manticore (aka GalaxyGato, Mirage Kitten, Smoke Sandstorm, Subtle Snail, and UNC1549) has been attributed to a fresh set of attacks targeting entities across the Middle East, Africa, and South Asia. The intrusions involve the use of a previously undocumented Windows backdoor called NightLedger and two custom WebSocket…

Read the full story on The Hacker News https://thehackernews.com/2026/07/nimbus-manticore-deploys-nightledger.html

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