Possible GTFOBins Shell Breakout via Unix Utilities

ATT&CK techniques

Execution → Defense Evasion

Recon
Resource Dev
Initial Access
Execution
- T1059.004Unix Shell
Persistence
Priv Esc
- T1548Abuse Elevation Control Mechanism
Defense Evasion
- T1548Abuse Elevation Control Mechanism
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects common Unix utilities such as env, awk, busybox, and mysql spawning an interactive shell, a GTFOBins pattern used to break out of restricted environments or abuse sudo privileges. These utilities spawning /bin/sh or /bin/bash is atypical and indicates a shell-evasion attempt by an insider or intruder.

Reporting behind it

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Possible GTFOBins Shell Breakout via Unix Utilities

Pivot detection · T1059.004 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

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