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Intelligence Newsroom

Millenium RAT Intelligence News

A continuously updated threat-intelligence newsroom. Each item is sourced, dated, version-tagged, and confidence-rated. Items reflect the state of public reporting as of their publication date.

researchv4.xY2K Operators2026-06-25

Group-IB publishes major Millenium RAT 4.x analysis

Group-IB documents the native C++ rewrite, libcurl Telegram C2, MaaS pricing, and 62,289 endpoints across 160+ countries.

Group-IB
high
Millenium RATY2K OperatorsTelegram C2C++
researchv4.x2026-04-05

Q1 2026: 39,730 Millenium RAT 4.x infections recorded

Group-IB telemetry records infections during Q1 2026, ahead of the June 2026 major analysis.

Group-IB
high
Millenium RATtelemetryQ1 2026
sandboxv4.x2025-06-10

Public sandbox records show 4.x samples in circulation

ANY.RUN and other public sandboxes begin recording newer Millenium RAT 4.x samples; native rewrite becomes apparent.

ANY.RUN
medium
Millenium RATANY.RUNsandbox4.x
vendorv2.x2023-11-15

Broadcom/Symantec publishes Millenium RAT protection info

Symantec documents remote control, keylogging, screenshots, browser-data theft, and Telegram exfiltration.

Broadcom / Symantec
high
Millenium RATSymantecvendor
researchv2.4ShinyEnigma2023-11-03

CYFIRMA unveils Millenium RAT 2.4

CYFIRMA publishes the first major public analysis of Millenium RAT 2.4, a .NET Win32 Telegram RAT with ToxicEye lineage.

CYFIRMA
high
Millenium RATShinyEnigmaTelegram C2.NET
Newsroom is CMS-backed. Analysts can add intelligence updates with headline, summary, source, version, actor, campaign, country, IOC/ATT&CK references, confidence, and tags. Last verified: 2026-10-04.
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