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ATT&CK techniqueReconnaissance

T1598.003 Spearphishing Link

ReconnaissanceEnterpriseSub-technique

As of 2026-10-05, T1598.003 (Spearphishing Link) appears in 41 tracked threats, first reported 2026-02-22 and most recently 2026-10-04, with linked actors including EvilTokens, Balonx, Ghost Stadium; it most often appears alongside T1566.002 (Spearphishing Link).

Tracked threats
412 critical, 19 high, 18 medium, 2 low
First seen
2026-02-22
Last seen
2026-10-04
Threat actors
11In the threats using it
Detection rules
87Blue tier and above

Data as of:

Activity timeline

T1598.003 first appeared in tracked threats on and was most recently reported on . The busiest month was 2026-09 with 13 reports, and 41 of the 41 threats were reported in the twelve months to 2026-10.

How adversaries use it

T1598.003 Spearphishing Link is catalogued by MITRE ATT&CK under the Reconnaissance tactic in the Enterprise matrix, as a sub-technique of T1598 Phishing for Information. Threadlinqs maps 41 of 2623 tracked threats (1.6%) to it; by severity that is 2 critical, 19 high, 18 medium, 2 low.

Threats that use T1598.003 most often also use T1566.002 Spearphishing Link (39 threats), T1204.001 Malicious Link (31 threats), T1583.001 Domains (31 threats), T1684.001 Impersonation (28 threats), T1657 Financial Theft (18 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 T1598.003; the most frequent are EvilTokens (2), Balonx (1), Ghost Stadium (1), Kali365 (1), ShinyHunters (1).

Mitigations

MITRE ATT&CK lists 2 mitigations for T1598.003.

Data sources

Telemetry that can reveal T1598.003, per MITRE ATT&CK.

  • Application Log — Application Log Content
  • Network Traffic — Network Traffic Content, Network Traffic Flow

Threat actors using it

Tracked threats

The 30 most recent of 41 tracked threats that use T1598.003.

Detection coverage

Threadlinqs maintains 87 detection rules mapped to T1598.003 (SPL 35, KQL 26, Sigma 26). Rule content is available to Blue tier accounts and above; this page shows counts only.

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

Parent technique

T1598 Phishing for Information — 98 tracked threats at the technique level.