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,

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https://thehackernews.com/2026/07/nimbus-manticore-deploys-nightledger.html

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https://thehackernews.com/2026/07/nimbus-manticore-deploys-nightledger.html

id: 2264
uid: EGAFx
insdate: 2026-07-28 13:10:08
title: Nimbus Manticore Deploys NightLedger and Turns Victim Systems Into Covert Relays
additional: 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,
category: Cybersecurity
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guid: https://thehackernews.com/2026/07/nimbus-manticore-deploys-nightledger.html
source_url: https://thehackernews.com/2026/07/nimbus-manticore-deploys-nightledger.html
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