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kawsik
228
client_agent_prototype.py
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228
client_agent_prototype.py
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import urllib.request
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import json
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import time
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import subprocess
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import psutil
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CLIENT_ID = "client_1"
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import os
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# Using the public ngrok URL so the agent can connect from anywhere in the world!
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CENTRAL_API_URL = f"https://culprit-campfire-galore.ngrok-free.dev/api/get-command?client_id={CLIENT_ID}"
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CENTRAL_TELEMETRY_URL = f"https://culprit-campfire-galore.ngrok-free.dev/api/telemetry?client_id={CLIENT_ID}"
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platform_name = "nt" if os.name == "nt" else "posix"
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CENTRAL_COMMANDS_URL = f"https://culprit-campfire-galore.ngrok-free.dev/api/get-commands?platform={platform_name}"
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# SECURITY MECHANISM: The "Whitelist"
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# The agent NEVER executes arbitrary strings from the internet.
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# It dynamically pulls safe command arrays from the central FastAPI server configuration.
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# An in-memory cache is used as a resilient fallback if the central server goes offline.
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CACHED_COMMANDS = {}
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def load_allowed_commands():
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global CACHED_COMMANDS
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try:
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req = urllib.request.Request(CENTRAL_COMMANDS_URL)
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with urllib.request.urlopen(req, timeout=3) as response:
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commands = json.loads(response.read().decode())
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if commands:
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CACHED_COMMANDS = commands
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return CACHED_COMMANDS
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except Exception as e:
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print(f" -> [!] Failed to load commands from central API: {e}")
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if CACHED_COMMANDS:
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print(" -> Returning last successfully cached whitelist.")
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return CACHED_COMMANDS
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# Return fallback safe command in case the server is offline on startup
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return {"whoami": ["whoami"]}
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ROCKET_CHAT_WEBHOOK = "https://text.seekright.com/hooks/6a0eb41ea88367bc6e101f0c/gvXfD8zSNRti43kEabqdE9tMCvNi9zAAoGfbao7cxcKbiW6R"
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def send_rocket_chat_notification(title, message, color="#764FA5"):
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try:
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if not message:
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message = "No output provided."
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payload = {
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"alias": f"Agent: {CLIENT_ID}",
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"text": "Execution Report",
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"attachments": [{
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"title": title,
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"text": message,
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"color": color
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}]
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}
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data = json.dumps(payload).encode('utf-8')
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req = urllib.request.Request(ROCKET_CHAT_WEBHOOK, data=data, headers={'Content-Type': 'application/json'}, method='POST')
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urllib.request.urlopen(req, timeout=3)
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except Exception as e:
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print(f" -> [!] Failed to send webhook: {e}")
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def collect_and_send_telemetry():
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try:
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# 1. Gather comprehensive GPU stats
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gpus = []
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try:
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# Query multiple specific fields (including detailed power and fan speed metrics)
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result = subprocess.run(
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["nvidia-smi", "--query-gpu=name,utilization.gpu,temperature.gpu,memory.used,memory.total,power.draw,power.limit,fan.speed", "--format=csv,noheader"],
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capture_output=True, text=True
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)
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if result.returncode == 0:
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for line in result.stdout.strip().split('\n'):
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if line:
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parts = [p.strip() for p in line.split(',')]
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if len(parts) >= 8:
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gpus.append({
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"name": parts[0],
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"utilization": parts[1],
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"temp": parts[2] + "C",
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"memory_used": parts[3],
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"memory_total": parts[4],
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"power_draw": parts[5],
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"power_limit": parts[6],
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"fan_speed": parts[7]
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})
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except FileNotFoundError:
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pass # nvidia-smi not installed, ignore
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# 2. Gather ALL Disk Partitions (Filtering snaps, loops, and virtual mounts)
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disks = []
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for part in psutil.disk_partitions(all=False):
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# Ignore loop devices, snaps, system, and WSL virtual mountpoints
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if 'loop' in part.device or 'loop' in part.fstype or part.fstype == '':
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continue
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if part.mountpoint.startswith('/snap') or part.fstype == 'squashfs':
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continue
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if part.mountpoint.startswith('/boot') or part.mountpoint.startswith('/mnt/wsl'):
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continue
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try:
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usage = psutil.disk_usage(part.mountpoint)
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disks.append({
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"mount": part.mountpoint,
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"total_gb": round(usage.total / (1024**3), 2),
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"free_gb": round(usage.free / (1024**3), 2),
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"percent": usage.percent
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})
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except PermissionError:
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continue
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# 3. Assemble Payload
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payload = {
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"cpu_percent": psutil.cpu_percent(interval=0.5),
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"memory_percent": psutil.virtual_memory().percent,
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"memory_total_gb": round(psutil.virtual_memory().total / (1024**3), 2),
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"memory_free_gb": round(psutil.virtual_memory().available / (1024**3), 2),
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"disks": disks,
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"gpus": gpus
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}
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data = json.dumps(payload).encode('utf-8')
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req = urllib.request.Request(CENTRAL_TELEMETRY_URL, data=data, headers={'Content-Type': 'application/json'}, method='POST')
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urllib.request.urlopen(req, timeout=3)
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print("[*] Telemetry pushed successfully.")
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except Exception as e:
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print(f"[!] Failed to push telemetry: {e}")
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def send_command_result_to_server(command: str, returncode: int, stdout: str, stderr: str):
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try:
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base_url = CENTRAL_API_URL.split("/api/")[0]
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url = f"{base_url}/api/command-result?client_id={CLIENT_ID}"
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payload = {
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"command": command,
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"returncode": returncode,
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"stdout": stdout,
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"stderr": stderr
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}
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data = json.dumps(payload).encode('utf-8')
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req = urllib.request.Request(
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url,
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data=data,
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headers={'Content-Type': 'application/json'},
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method='POST'
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)
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with urllib.request.urlopen(req, timeout=3) as response:
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pass
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print(" -> Sent command execution output to Central Server.")
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except Exception as e:
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print(f" -> [!] Failed to send command result to server: {e}")
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def poll_server():
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try:
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print(f"[*] Checking for commands...")
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# 1. Fetch data from Central API
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req = urllib.request.Request(CENTRAL_API_URL)
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with urllib.request.urlopen(req, timeout=3) as response:
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data = json.loads(response.read().decode())
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command_key = data.get("command", "none")
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# 2. Process the command
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if command_key == "none":
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print(" -> No pending commands.")
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else:
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# Load whitelisted commands dynamically from commands.json
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allowed_commands = load_allowed_commands()
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if command_key in allowed_commands:
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print(f" -> Executing approved command: '{command_key}'")
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safe_cmd_list = allowed_commands[command_key]
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# Special check: If rebooting or restarting agent, send pre-execution notification
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# to ensure the network buffer has time to transmit the status before connection drops!
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is_shutdown_or_restart = any(x in command_key.lower() for x in ["reboot", "restart", "kill_python"])
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if is_shutdown_or_restart:
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print(" -> Shutdown/restart command detected. Sending pre-execution success notification...")
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send_rocket_chat_notification(
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f"🔄 Executing: {command_key}",
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f"System/agent is performing a scheduled action: {' '.join(safe_cmd_list)}\nConnection may drop temporarily.",
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"#FFA500"
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)
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time.sleep(3) # Give 3 seconds for the HTTP payload to hit the Rocket.Chat server!
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try:
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# Execute securely. capture_output prevents it from hanging.
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result = subprocess.run(safe_cmd_list, capture_output=True, text=True)
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output = result.stdout.strip()
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error_output = result.stderr.strip() if result.stderr else ""
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# Post execution results to Central Server
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send_command_result_to_server(command_key, result.returncode, output, error_output)
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if not is_shutdown_or_restart:
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if result.returncode == 0:
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print(f" -> Output: {output}")
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send_rocket_chat_notification(f"✅ Success: {command_key}", output, "#00FF00")
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else:
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print(f" -> Error: {error_output}")
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send_rocket_chat_notification(f"❌ Failed: {command_key}", error_output, "#FF0000")
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except Exception as ex:
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print(f" -> [!] Execution Error: {ex}")
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send_command_result_to_server(command_key, -1, "", str(ex))
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if not is_shutdown_or_restart:
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send_rocket_chat_notification(f"❌ Execution Error: {command_key}", str(ex), "#FF0000")
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else:
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# If a hacker injects "rm -rf /" into the database, it hits this block and fails securely.
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warning_msg = f"Server requested unknown/malicious command: '{command_key}'. Ignored."
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print(f" -> [!] SECURITY WARNING: {warning_msg}")
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send_rocket_chat_notification("⚠️ SECURITY WARNING", warning_msg, "#FFA500")
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except Exception as e:
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print(f" -> [!] Failed to connect to central server: {e}")
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if __name__ == "__main__":
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print(f"Starting Agent for {CLIENT_ID}...")
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print("[*] Running in continuous background polling mode (every 60 seconds).")
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print("[*] Press Ctrl+C to stop the agent.")
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try:
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while True:
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collect_and_send_telemetry()
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poll_server()
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time.sleep(10) # Poll every 10 seconds
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except KeyboardInterrupt:
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print("\n[*] Agent stopped by user.")
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