Security Audit

Linux Production Shell Scripts

Partial VerificationCommit 9f5351e844df

CRITICAL

Scanned about 1 month ago

Critical

Immediate action required

High

Priority fixes suggested

Medium

Best practices review

Low

Acknowledged / Tracked

Trust Assessment

This report is partially verified. Deterministic layers ran, but LLM behavioral analysis (L4) was not executed for this scan.

The current score of 25/100 is provisional and may change after a full L4 verification run.

Last analyzed on February 20, 2026 (commit 9f5351e8). SkillShield performs automated 4-layer security analysis on AI skills and MCP servers.

Manifest Analysis

40%

Static Code Analysis

85%

Dependency Graph

100%

LLM Behavioral SafetyNot run

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Shell Execution

1 finding

Severity	Finding	Layer	Location
CRITICAL	Persistence / self-modification instructions Crontab manipulation (list/remove/edit) Remove any persistence mechanisms. Skills should not modify system startup configurations, crontabs, LaunchAgents, systemd services, or shell profiles.	Manifest	skills/linux-shell-scripting/SKILL.md:337
CRITICAL	Persistence / self-modification instructions Crontab manipulation (list/remove/edit) Remove any persistence mechanisms. Skills should not modify system startup configurations, crontabs, LaunchAgents, systemd services, or shell profiles.	Manifest	skills/linux-shell-scripting/SKILL.md:485
HIGH	Persistence mechanism: Crontab modification Detected Crontab modification pattern. Persistence mechanisms allow malware to survive system restarts. Review this persistence pattern. Skills should not modify system startup configuration.	Static	skills/linux-shell-scripting/SKILL.md:337