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ATT&CK techniqueLateral Movement

T1021 Remote Services

Lateral MovementEnterprise

As of 2026-10-05, T1021 (Remote Services) appears in 364 tracked threats, first reported 2026-01-19 and most recently 2026-10-02, with linked actors including MuddyWater, Static Tundra, TeamPCP; it most often appears alongside T1059 (Command and Scripting Interpreter).

Tracked threats
364171 critical, 160 high, 24 medium, 2 low
First seen
2026-01-19
Last seen
2026-10-02
Threat actors
131In the threats using it
Detection rules
204Blue tier and above

Data as of:

Activity timeline

T1021 first appeared in tracked threats on and was most recently reported on . The busiest month was 2026-07 with 133 reports, and 364 of the 364 threats were reported in the twelve months to 2026-10.

How adversaries use it

T1021 Remote Services is catalogued by MITRE ATT&CK under the Lateral Movement tactic in the Enterprise matrix. Threadlinqs maps 364 of 2623 tracked threats (13.9%) to it; by severity that is 171 critical, 160 high, 24 medium, 2 low.

Threats that use T1021 most often also use T1059 Command and Scripting Interpreter (273 threats), T1190 Exploit Public-Facing Application (240 threats), T1071 Application Layer Protocol (222 threats), T1078 Valid Accounts (216 threats), T1005 Data from Local System (189 threats). These are the techniques an intrusion set tends to chain with it, so they are the natural next places to look when it is observed.

131 tracked threat actors appear in the threats that use T1021; the most frequent are MuddyWater (7), Static Tundra (7), TeamPCP (7), LockBit (6), Qilin (6).

Mitigations

MITRE ATT&CK lists 6 mitigations for T1021.

Data sources

Telemetry that can reveal T1021, per MITRE ATT&CK.

  • Command — Command Execution
  • Logon Session — Logon Session Creation
  • Module — Module Load
  • Network Share — Network Share Access
  • Network Traffic — Network Connection Creation, Network Traffic Flow
  • Process — Process Creation
  • WMI — WMI Creation

Threat actors using it

Tracked threats

The 30 most recent of 364 tracked threats that use T1021.

Detection coverage

Threadlinqs maintains 204 detection rules mapped to T1021 (SPL 64, KQL 75, Sigma 65). Rule content is available to Blue tier accounts and above; this page shows counts only.

204 detection rules (SPL/KQL/Sigma) · Blue and above. Compare plans

Sub-techniques