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Guava Guard

Runtime security guard + scanner for OpenClaw agents. Part of the guard-scanner ecosystem. Detects reverse shells, credential theft, and sandbox escapes in r...

personAuthor: koatora20hubclawhub

GuavaGuard 🛡️ — Part of the guard-scanner Ecosystem

Runtime security scanner and monitor for your OpenClaw agent.

🔗 Looking for full static scanning?clawhub install guard-scanner (150+ patterns, 23 categories, 4,000+ downloads)

GuavaGuard watches tool calls in real-time and warns when it detects dangerous patterns — reverse shells, credential exfiltration, sandbox escapes, and more.

Quick Start

# 1. Install the full security scanner suite
clawhub install guard-scanner    # Static scanner (150+ patterns)
clawhub install guava-guard      # Runtime monitor (12 patterns)

# 2. Pre-install safety gate
npx guard-scanner ./skills --self-exclude --verbose

# 3. Enable the runtime hook
openclaw hooks install skills/guava-guard/hooks/guava-guard
openclaw hooks enable guava-guard

# 4. Restart gateway, then verify:
openclaw hooks list   # Should show 🍈 guava-guard as ✓ ready

What It Detects (12 runtime patterns)

| Pattern | Severity | Example | |---------|----------|---------| | Reverse shell | 🔴 CRITICAL | /dev/tcp/, nc -e, socat TCP | | Credential exfiltration | 🔴 CRITICAL | Secrets → webhook.site, ngrok, requestbin | | Guardrail disabling | 🔴 CRITICAL | exec.approval = off (CVE-2026-25253) | | macOS Gatekeeper bypass | 🔴 CRITICAL | xattr -d quarantine | | ClawHavoc AMOS | 🔴 CRITICAL | socifiapp, Atomic Stealer indicators | | Base64 → shell | 🔴 CRITICAL | base64 -d \| bash | | Download → shell | 🔴 CRITICAL | curl \| bash, wget \| sh | | Cloud metadata SSRF | 🔴 CRITICAL | 169.254.169.254 | | Known malicious IP | 🔴 CRITICAL | 91.92.242.30 | | DNS exfiltration | 🟠 HIGH | nslookup $secret, dig @attacker | | SSH key access | 🟠 HIGH | .ssh/id_*, .ssh/authorized_keys | | Crypto wallet access | 🟠 HIGH | wallet seed, mnemonic, seed phrase |

The guard-scanner Ecosystem

GuavaGuard is the runtime half of a two-layer defense:

| Layer | Tool | Patterns | When | |-------|------|----------|------| | Static | guard-scanner | 150+ patterns / 23 categories | Before install | | Runtime | guava-guard | 12 patterns | During execution |

Install both for maximum protection:

clawhub install guard-scanner
clawhub install guava-guard

guard-scanner — ClawHub search score #1 (3.591), 4,000+ downloads

  • 150 static patterns + 26 runtime checks
  • HTML dashboard, SARIF, JSON output
  • CVE-2026-2256, CVE-2026-25046, CVE-2026-25905, CVE-2026-27825 covered
  • Zero dependencies, MIT licensed

GitHub: https://github.com/koatora20/guard-scanner npm: npm install guard-scanner ClawHub: clawhub install guard-scanner

Current Limitation

Warning: OpenClaw's hook API does not yet support blocking tool execution. GuavaGuard currently warns only — it cannot prevent dangerous calls. When a cancel API is added, blocking will be enabled automatically. See: Issue #18677

Audit Log

All detections are logged to ~/.openclaw/guava-guard/audit.jsonl (JSON lines format).

License

MIT. Zero dependencies. 🍈

By Guava Parity Institute (GPI) — ASI×Human Perfect Parity