Suspicious Subprocess Spawned by LiteLLM Proxy Process (via process_creation)

ATT&CK techniques

Execution

Recon
Resource Dev
Initial Access
Execution
- T1059Command and Scripting Interpreter
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects a LiteLLM proxy Python process spawning a shell or network utility. Such a child process is consistent with the subprocess execution abused in CVE-2026-42271. A LiteLLM proxy does not normally launch shells or download tools.

Reporting behind it

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Suspicious Subprocess Spawned by LiteLLM Proxy Process (via process_creation)

Pivot detection · T1059 · 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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