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T1059.004 · ATT&CK technique

Unix Shell

13 actors on record using it

Every mark is an actor ATT&CK records using this technique. Red ones also exploit a CVE in CISA KEV.

Open T1059.004 on attack.mitre.org

Adversaries may abuse Unix shell commands and scripts for execution. Unix shells are the primary command prompt on Linux, macOS, and ESXi systems, though many variations of the Unix shell exist (e.g. sh, ash, bash, zsh, etc.) depending on the specific OS or distribution. Unix shells can control every aspect of a system, with certain commands requiring elevated privileges.

Source: MITRE ATT&CK, T1059.004. © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation.

Data as of 2026-11-15. CVE List through 2026-11-15 · EPSS of 2026-11-14 · CISA KEV checked 2026-11-15. Sources: MITRE ATT&CK (© The MITRE Corporation, reproduced and distributed with its permission), the MISP Galaxy (CC0), and CyberSIXT's own coverage.