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Clauditor

Tamper-resistant audit watchdog for Clawdbot agents. Detects and logs suspicious filesystem activity with HMAC-chained evidence.

Introduction

# Clauditor

Security watchdog that monitors filesystem activity and creates tamper-evident logs. Even if Clawdbot is compromised, it cannot stop the watchdog, forge entries, or delete evidence.

## Installation (Guided)

Use the CLI wizard to guide users through installation:

```bash cd /path/to/clauditor cargo build --release ```

### Agent Workflow

1. **Check status:** `./target/release/clauditor wizard status` - Returns JSON with `current_step` (1-6) and `complete` (true/false)

2. **Get next step:** `./target/release/clauditor wizard next` - Shows WHAT it does, WHY it matters, and the exact COMMAND to run

3. **User runs the sudo command**

4. **Verify:** `./target/release/clauditor wizard verify` - Confirms step completed

5. **Repeat until `complete: true`**

### Example Interaction

``` User: "Install clauditor"

Agent: [runs wizard status → current_step: 1] Agent: "Step 1 of 6: Create system user

This creates a 'sysaudit' user that runs the watchdog. Even if you're compromised, you can't kill a process owned by another user.

Run this: sudo useradd --system --shell /usr/sbin/nologin --no-create-home sysaudit

Let me know when done."

User: "done"

Agent: [runs wizard verify → success] Agent: [runs wizard next → step 2...] ```

## After Installation

### Check status ```bash systemctl status systemd-journaldd ```

### Generate digest ```bash ./target/release/clauditor digest \ --log /var/lib/.sysd/.audit/events.log \ --key /etc/sysaudit/key \ --format markdown ```

## Quick Install (Power Users)

```bash sudo bash wizard/wizard.sh ```

## Configuration

- Config: `/etc/sysaudit/config.toml` - Key: `/etc/sysaudit/key` - Logs: `/var/lib/.sysd/.audit/events.log`

Edit config to customize `watch_paths` and `target_uid`.

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