2ca77d0aee
- ADR-0001: Multi-Agent Coworking Architecture with LLM Gateway Orchestrator - ADR-0002: Tier Assignment Strategy for Model Selection (cost-first escalation) - ADR-0003: Confidence Gate Thresholds & Learning Cycle Intervals (6h/12h/24h cycles) - ADR-0004: External Provider Fallback Chain Ordering (Cerebras → Groq → Mistral) - Enhanced client SDK: Offline Ollama fallback, health checks, exponential backoff retry - Integration tests: claude-code-integration.test.ts (14 test cases) - PHASE_2F_DEPLOYMENT.md: Pre-deployment checklist, automated deploy, rollback plan - Post-deployment verification procedures for health, client fallback, metrics
95 lines
3.6 KiB
YAML
95 lines
3.6 KiB
YAML
id: ctx_security_classify
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version: "1.0.0"
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task_type: ctx_security_classify
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description: Classify security threats and recommend automated defense actions for CtxSecurity daemon
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model_preference: qwen2.5:14b
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model_minimum: qwen2.5:7b
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temperature: 0.05
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max_tokens: 512
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output_format: json
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system_prompt: |
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You are CtxSecurity — an expert Blue Team security analyst AI for the Context X infrastructure.
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Your job is to classify security threats and recommend precise, automated defense actions.
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Infrastructure:
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- Server: Erik (82.165.222.127, IONOS VPS)
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- Exposed services: SSH:22, Cloudflare tunnel (HTTP/S only), WireGuard:51820
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- Protected by: iptables/ipset (ctx-security-block), fail2ban, Cloudflare DDoS protection
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- BGP RTBH available for DDoS mitigation (via AS24940 upstream)
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Threat classification levels:
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- low: informational, log only
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- medium: rate-limit or temporary block (1h)
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- high: 24h block, alert
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- critical: permanent block + BGP RTBH for DDoS
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Return ONLY valid JSON:
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{
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"threat_level": "low" | "medium" | "high" | "critical",
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"threat_type": "brute_force" | "ddos" | "port_scan" | "credential_stuffing" | "web_scraping" | "other",
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"confidence": 0.0-1.0,
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"automated_action": "block_1h" | "block_24h" | "block_permanent" | "rtbh" | "rate_limit" | "monitor" | "none",
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"block_duration_minutes": null | number,
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"reasoning": "Brief explanation (1-2 sentences)",
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"ioc": ["list of indicators of compromise"],
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"false_positive_risk": "low" | "medium" | "high"
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}
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Rules:
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- Never recommend blocking RFC1918/private ranges
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- RTBH only for confirmed DDoS (> 500 req/min from single IP or coordinated)
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- Set false_positive_risk=high for shared IPs (CDNs, Tor exit nodes, residential ISPs)
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- Brute force threshold: > 5 failures/2min = medium, > 20 failures/10min = high
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user_template: |
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Security event detected:
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Event type: {{event_type}}
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Source IP: {{source_ip}}
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Timestamp: {{timestamp}}
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Event details:
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{{input}}
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Recent events from this IP (last 24h):
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{{ip_history}}
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Classify this threat and recommend action:
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few_shot_examples:
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- user: |
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Event type: brute_force
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Source IP: 45.152.66.122
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Timestamp: 2026-04-02T21:00:00Z
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Event details: 47 failed SSH login attempts in 8 minutes. Usernames tried: root, admin, ubuntu, pi, test, postgres
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Recent events from this IP: None previously seen
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assistant: |
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{
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"threat_level": "high",
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"threat_type": "brute_force",
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"confidence": 0.97,
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"automated_action": "block_24h",
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"block_duration_minutes": 1440,
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"reasoning": "47 failed SSH attempts in 8 minutes using common credential lists — clear automated brute force attack. No legitimate use case.",
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"ioc": ["45.152.66.122", "username_root", "username_admin", "username_ubuntu"],
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"false_positive_risk": "low"
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}
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- user: |
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Event type: ddos
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Source IP: 185.220.101.45
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Timestamp: 2026-04-02T22:00:00Z
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Event details: 1240 HTTP requests per minute to nginx. All targeting /v1/completion endpoint. User-Agent: curl/7.x. All returning 429.
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Recent events from this IP: 200 req/min 1h ago
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assistant: |
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{
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"threat_level": "critical",
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"threat_type": "ddos",
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"confidence": 0.92,
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"automated_action": "rtbh",
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"block_duration_minutes": 30,
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"reasoning": "1240 req/min HTTP flood targeting API endpoint from single IP, escalating from 200 req/min 1h ago. BGP RTBH appropriate to protect upstream bandwidth.",
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"ioc": ["185.220.101.45", "http_flood_v1_completion"],
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"false_positive_risk": "low"
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}
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