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ATT&CK techniqueCollection

T1114.003 Email Forwarding Rule

CollectionEnterpriseSub-technique

As of 2026-10-05, T1114.003 (Email Forwarding Rule) appears in 15 tracked threats, first reported 2026-05-22 and most recently 2026-10-01, with linked actors including EvilTokens, Greatness PhaaS Operators, Kali365; it most often appears alongside T1078.004 (Cloud Accounts).

Tracked threats
153 critical, 12 high
First seen
2026-05-22
Last seen
2026-10-01
Threat actors
11In the threats using it
Detection rules
38Blue tier and above

Data as of:

Activity timeline

T1114.003 first appeared in tracked threats on and was most recently reported on . The busiest month was 2026-07 with 6 reports, and 15 of the 15 threats were reported in the twelve months to 2026-10.

How adversaries use it

T1114.003 Email Forwarding Rule is catalogued by MITRE ATT&CK under the Collection tactic in the Enterprise matrix, as a sub-technique of T1114 Email Collection. Threadlinqs maps 15 of 2623 tracked threats (0.6%) to it; by severity that is 3 critical, 12 high.

Threats that use T1114.003 most often also use T1078.004 Cloud Accounts (11 threats), T1566.002 Spearphishing Link (11 threats), T1528 Steal Application Access Token (10 threats), T1087.004 Cloud Account (9 threats), T1204.001 Malicious Link (9 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.

11 tracked threat actors appear in the threats that use T1114.003; the most frequent are EvilTokens (2), Greatness PhaaS Operators (1), Kali365 (1), Kali365 PhaaS operators (1), Scattered Spider (1).

Mitigations

MITRE ATT&CK lists 4 mitigations for T1114.003.

Data sources

Telemetry that can reveal T1114.003, per MITRE ATT&CK.

  • Application Log — Application Log Content
  • Cloud Service — Cloud Service Metadata
  • Command — Command Execution

Threat actors using it

Tracked threats

15 tracked threats use T1114.003.

Detection coverage

Threadlinqs maintains 38 detection rules mapped to T1114.003 (SPL 14, KQL 13, Sigma 11). Rule content is available to Blue tier accounts and above; this page shows counts only.

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

Parent technique

T1114 Email Collection — 129 tracked threats at the technique level.