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CB configuring-suricata-for-network-monitoring

Deploys and configures Suricata IDS/IPS with Emerging Threats rulesets, EVE JSON logging, and custom rules for high-throughput, protocol-aware traffic inspection (HTTP, TLS, DNS, SMB) and SIEM integration. Use when running Suricata in IDS or inline IPS mode to detect or block malicious traffic, or when combining signature-based and protocol anomaly detection with file extraction.

mukul975/Anthropic-Cybersecurity-Skills Agent Skills author: mukul975 Apache-2.0 5 files · 1 script body ≈ 3 425 tokens Open the sourcegithub.com↗ analyzed 5 d ago

Deploys and configures Suricata IDS/IPS with Emerging Threats rulesets, EVE JSON logging, and custom rules for high-throughput, protocol-aware traffic…

As a process B 72/100 · Nearly there — weak spots: failures and branches, running it twice

ProcedureSecuritytype and topics are labelled automatically from the skill text
Runs in: Claude / Claude Code ChatGPT / Codex Gemini CLI Cursor GitHub Copilot / VS Code Qwen Code Kimi Code CLI Z.ai (GLM) DeepSeek (Deep Code) Mistral Vibe LangChain (deepagents) OpenClaw Goose OpenCode
JSON
Technical rating
C
88/100
safety, quality, tests
Safety 60%
92
Quality 40%
82
Run on models
none yet
Process rating
B
72/100
Nearly there
Failures and branches w 10
0
Running it twice w 4
30
When it triggers w 12
50
the three weakest of ten parameters · all ten

How to improve

    For the model run — optional
    • Your own cases (evals/evals.json, 4–6 real requests with expected answers): the full check would then run those instead of a model-drafted suite.
    • A spec.yaml with trigger phrases and assertions — a behaviour contract for CI; `skilltest init` writes a template.

    Guard findings · 8

    ✓ No critical or high findings

    Medium and low: 8
    • low Dangerous commands cmd-privilege SKILL.md:231
      Privilege escalation / world-writable permissions (documentation of a security skill)
      sudo tee /etc/suricata/disable.conf << 'EOF'
      security skill
    • low Dangerous commands cmd-privilege SKILL.md:240
      Privilege escalation / world-writable permissions (documentation of a security skill)
      sudo tee /etc/suricata/rules/local.rules << 'EOF'
      security skill
    • low Risky intent intent-offensive-security SKILL.md:241
      Offensive-security / dual-use content (legitimate for authorised testing; review intended use) (detector / deny-list definition)
      # Detect reverse shell connections
      detector
    • low Risky intent intent-offensive-security SKILL.md:242
      Offensive-security / dual-use content (legitimate for authorised testing; review intended use) (detector / deny-list definition)
      alert tcp $HOME_NET any -> $EXTERNAL_NET 4444 (msg:"LOCAL Reverse Shell Port 4444"; flow:established,to_server; content:"|2f 62 69 6e 2f|"; sid:9000001; rev:1; classtype:trojan-activity; priority:1;)
      detector
    • low Dangerous commands cmd-privilege SKILL.md:276
      Privilege escalation / world-writable permissions (documentation of a security skill)
      sudo tee /etc/systemd/system/suricata.service << 'EOF'
      security skill
    • low Dangerous commands cmd-background-process SKILL.md:293
      Starts a background / autostarted process (documentation of a security skill)
      sudo systemctl enable --now suricata
      security skill
    • low Dangerous commands cmd-privilege SKILL.md:320
      Privilege escalation / world-writable permissions (documentation of a security skill)
      sudo tee /etc/filebeat/modules.d/suricata.yml << 'EOF'
      security skill

    A further 1 matches are quotations in this security skill's documentation and are not counted as findings.

    Files scanned: 5. Evidence is masked. Grey chips explain why severity was lowered.

    Against the Agent Skills spec

    • note frontmatter-key unknown frontmatter key "domain"
    • note frontmatter-key unknown frontmatter key "subdomain"
    • note frontmatter-key unknown frontmatter key "nist_csf"
    • note frontmatter-key unknown frontmatter key "mitre_attack"

    Process rating: all ten parameters 72/100

    • 0Failures and branches. Linear process with no failure handling
    • 30Running it twice. 9 mutating operations with no state check
    • 50When it triggers. No condition that starts the skill
    • 60Result and completion. Output format stated, no completion criterion
    • 70Inputs and preconditions. Inputs and preconditions are listed
    • 100Tools and files. No external tools needed
    • 100Steps. 27 steps
    • 100Consistency. Name and required fields are in place
    • 100Execution cost. Instruction body is 3425 tokens
    • 100Progress reporting. Reports progress

    Everything here is measured from the skill text rather than judged by a model, so the numbers are checkable. A parameter weighs more when it is a more common reason for the process to stall.

    Quality signals

    • +5Description has no quoted example phrases that should trigger the skill
    • -41 reference files, but SKILL.md never points to them: the model will not open them
    • -31 of 1 scripts are never mentioned in SKILL.md
    • +2Single-language instructions
    • +4Description says when NOT to use the skill
    • +3Description length 382: enough signal without eating the budget
    • +4Structure: 15 headings
    • +3Step-by-step instructions: 27 items
    • +3Output format is stated explicitly
    • +4Has examples (7 code blocks)
    • +1License stated

    Quality base 70; lint remarks subtract, signals add up to 100. Result: 82.