Nimbus Manticore Deploys NightLedger and Turns Victim Systems Into Covert Relays

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Nimbus Manticore Deploys NightLedger and Turns Victim Systems Into Covert Relays

July 28, 2026 dirk 0 Comments 3 tags

Nimbus Manticore Deploys NightLedger and Turns Victim Systems Into Covert Relays

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 tunnelers,

Source: The Hacker News

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