# Y2K Operators

> As of 2026-07-11, Y2K Operators is a threat actor tracked by Threadlinqs Intelligence across 2 threats spanning malware. ATT&CK coverage spans 53 techniques across 12 tactics in 2 of 2 tracked threats. Most-observed techniques: T1005 (Data from Local System), T1012 (Query Registry), T1033 (System Owner/User Discovery).

- **Tracked threats:** 2
- **Categories:** MALWARE
- **As of:** 2026-07-11

## ATT&CK techniques observed

53 techniques observed across 2 of 2 tracked threats. Tactics: Collection (9), Discovery (8), Stealth (formerly Defense Evasion) (8), Execution (7), Command and Control (5), Credential Access (3).

- [T1005](https://intel.threadlinqs.com/technique/T1005) Data from Local System — Collection — observed in 2 of 2 tracked threats
- [T1012](https://intel.threadlinqs.com/technique/T1012) Query Registry — Discovery — observed in 2 of 2 tracked threats
- [T1033](https://intel.threadlinqs.com/technique/T1033) System Owner/User Discovery — Discovery — observed in 2 of 2 tracked threats
- [T1041](https://intel.threadlinqs.com/technique/T1041) Exfiltration Over C2 Channel — Exfiltration — observed in 2 of 2 tracked threats
- [T1057](https://intel.threadlinqs.com/technique/T1057) Process Discovery — Discovery — observed in 2 of 2 tracked threats
- [T1082](https://intel.threadlinqs.com/technique/T1082) System Information Discovery — Discovery — observed in 2 of 2 tracked threats
- [T1083](https://intel.threadlinqs.com/technique/T1083) File and Directory Discovery — Discovery — observed in 2 of 2 tracked threats
- [T1105](https://intel.threadlinqs.com/technique/T1105) Ingress Tool Transfer — Command and Control — observed in 2 of 2 tracked threats
- [T1106](https://intel.threadlinqs.com/technique/T1106) Native API — Execution — observed in 2 of 2 tracked threats
- [T1113](https://intel.threadlinqs.com/technique/T1113) Screen Capture — Collection — observed in 2 of 2 tracked threats
- [T1123](https://intel.threadlinqs.com/technique/T1123) Audio Capture — Collection — observed in 2 of 2 tracked threats
- [T1125](https://intel.threadlinqs.com/technique/T1125) Video Capture — Collection — observed in 2 of 2 tracked threats
- [T1140](https://intel.threadlinqs.com/technique/T1140) Deobfuscate/Decode Files or Information — Stealth (formerly Defense Evasion) — observed in 2 of 2 tracked threats
- [T1217](https://intel.threadlinqs.com/technique/T1217) Browser Information Discovery — Discovery — observed in 2 of 2 tracked threats
- [T1485](https://intel.threadlinqs.com/technique/T1485) Data Destruction — Impact — observed in 2 of 2 tracked threats

## Tracked threats

- [Millenium RAT v4: C++ Rewrite Fuels Y2K Operators' MaaS Campaign (62,289 Devices, 160+ Countries)](https://intel.threadlinqs.com/threat/TL-2026-1222) — HIGH
- [Millenium RAT v4.x — Native C++ Telegram-Controlled Remote Access Trojan & Infostealer Sold as Malware-as-a-Service (ShinyEnigma)](https://intel.threadlinqs.com/threat/TL-2026-0942) — CRITICAL

## Full data

Infrastructure, IOC values and detection queries (Splunk SPL / Microsoft KQL / Sigma) require the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp

Canonical: https://intel.threadlinqs.com/actor/Y2K%20Operators