Threadlinqs IntelligenceStart free

ATT&CK techniqueReconnaissance

T1593.003 Code Repositories

ReconnaissanceEnterpriseSub-technique

As of 2026-10-05, T1593.003 (Code Repositories) appears in 10 tracked threats, first reported 2026-05-04 and most recently 2026-09-26, with linked actors including N, ShinyHunters; it most often appears alongside T1078.004 (Cloud Accounts).

Tracked threats
105 critical, 2 high, 2 medium
First seen
2026-05-04
Last seen
2026-09-26
Threat actors
2In the threats using it
Detection rules
15Blue tier and above

Data as of:

Activity timeline

T1593.003 first appeared in tracked threats on and was most recently reported on . The busiest month was 2026-08 with 4 reports, and 10 of the 10 threats were reported in the twelve months to 2026-09.

How adversaries use it

T1593.003 Code Repositories is catalogued by MITRE ATT&CK under the Reconnaissance tactic in the Enterprise matrix, as a sub-technique of T1593 Search Open Websites/Domains. Threadlinqs maps 10 of 2623 tracked threats (0.4%) to it; by severity that is 5 critical, 2 high, 2 medium.

Threats that use T1593.003 most often also use T1078.004 Cloud Accounts (6 threats), T1552.001 Credentials In Files (6 threats), T1526 Cloud Service Discovery (5 threats), T1657 Financial Theft (5 threats), T1190 Exploit Public-Facing Application (4 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.

2 tracked threat actors appear in the threats that use T1593.003; the most frequent are N (1), ShinyHunters (1).

Mitigations

MITRE ATT&CK lists 2 mitigations for T1593.003.

Threat actors using it

Tracked threats

10 tracked threats use T1593.003.

Detection coverage

Threadlinqs maintains 15 detection rules mapped to T1593.003 (SPL 6, KQL 4, Sigma 5). Rule content is available to Blue tier accounts and above; this page shows counts only.

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

Parent technique

T1593 Search Open Websites/Domains — 79 tracked threats at the technique level.