Suspicious Remote Script Piped Directly to Interpreter in CI Pipeline

ATT&CK techniques

Initial Access → Execution

Recon
Resource Dev
Initial Access
- T1195.002Compromise Software Supply Chain
Execution
- T1059.004Unix Shell
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects curl fetching a remote payload and piping it straight into bash or node as observed in CI CD pipeline abuse research by Elastic. Executing untrusted remote code without staging is a common supply chain and pipeline compromise technique that bypasses review controls.

Reporting behind it

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Suspicious Remote Script Piped Directly to Interpreter in CI Pipeline

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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