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LLM-Based Wget Activity Triage via Auditd

Detects non-allowlisted wget activity on Linux hosts via Auditd Manager or Auditbeat and uses an LLM to assess whether the activity is malicious, benign, or requires investigation. The rule parses and normalizes the…

Description

Detects non-allowlisted wget activity on Linux hosts via Auditd Manager or Auditbeat and uses an LLM to assess whether the activity is malicious, benign, or requires investigation. The rule parses and normalizes the destination, redacts sensitive command-line values, and aggregates activity by host and destination before invoking the ES|QL COMPLETION command. Only true positive or suspicious verdicts with confidence above 0.7 generate alerts.

Detection logic

Its licence does not clear it for publishing here

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Detection requirements

Platform
ESXiIaaSLinuxmacOSNetwork DevicesOffice SuiteSaaSWindows

The rule states no platform. This is derived from the 3 ATT&CK techniques it maps to.

Known benign triggers

  • Routine automation, CI/CD jobs, infrastructure tooling, package management, and expected artifact downloads to destinations that are not yet in the allow-list may be classified as suspicious. Add persistent, verified benign destinations to the deterministic allow-list.

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