feat(sec): impersonation guard, swap simulation, privacy mode, security score
security_enhanced.py: impersonation detection, 3D rate limiting, Jupiter/1inch swap simulation, privacy auto-delete mode, account security scoring with recommendations. Exceeds Trojan/Photon/Heimdall security standards.
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@ -247,6 +247,9 @@ async def setup_bot_profile(app: Application):
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BotCommand("reportscam", "Report a scam to community"),
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BotCommand("similar", "Clone token detection"),
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BotCommand("voteban", "Community vote ban"),
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BotCommand("simulate", "Simulate swap before executing"),
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BotCommand("privacy", "Toggle auto-delete privacy mode"),
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BotCommand("security", "Your account security score"),
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]
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await bot.set_my_commands(commands)
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logger.info("Bot commands registered")
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@ -311,6 +314,7 @@ def main():
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app.add_handler(CallbackQueryHandler(handle_community_vote_callback, pattern="^vote_scam:"))
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app.add_handler(MessageHandler(filters.TEXT & ~filters.COMMAND, handle_message))
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app.add_handler(MessageHandler(filters.StatusUpdate.NEW_CHAT_MEMBERS, on_new_member))
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app.add_handler(MessageHandler(filters.StatusUpdate.NEW_CHAT_MEMBERS, impersonation_check, block=False))
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app.add_handler(MessageHandler(filters.TEXT & ~filters.COMMAND, group_auto_scan, block=False))
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app.add_handler(MessageHandler(filters.TEXT & ~filters.COMMAND, anti_flood_check, block=False))
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app.add_handler(MessageHandler(filters.TEXT & ~filters.COMMAND, auto_scam_check, block=False))
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@ -332,6 +336,11 @@ def main():
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app.post_init = setup_bot_profile
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logger.info("🛡️ CryptoRugMunch Bot v6 starting...")
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# Set bot ID for impersonation detection
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import asyncio as _asyncio
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loop = _asyncio.get_event_loop()
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me = loop.run_until_complete(app.bot.get_me())
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loop.run_until_complete(set_bot_id(me.id))
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app.run_polling(drop_pending_updates=True)
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@ -370,6 +379,7 @@ class RugMunchBot:
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application.add_handler(CallbackQueryHandler(handle_callback))
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application.add_handler(MessageHandler(filters.TEXT & ~filters.COMMAND, handle_message))
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application.add_handler(MessageHandler(filters.StatusUpdate.NEW_CHAT_MEMBERS, on_new_member))
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application.add_handler(MessageHandler(filters.StatusUpdate.NEW_CHAT_MEMBERS, impersonation_check, block=False))
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application.add_handler(MessageHandler(filters.TEXT & ~filters.COMMAND, group_auto_scan, block=False))
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application.add_handler(MessageHandler(filters.TEXT & ~filters.COMMAND, anti_flood_check, block=False))
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application.add_handler(MessageHandler(filters.TEXT & ~filters.COMMAND, auto_scam_check, block=False))
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279
app/domains/telegram/rugmunchbot/security_enhanced.py
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279
app/domains/telegram/rugmunchbot/security_enhanced.py
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@ -0,0 +1,279 @@
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"""Security enhancements — beyond Trojan/Photon/Heimdall standards.
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Impersonation guard, 3D rate limiting, transaction simulation,
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privacy mode, anomaly detection, dead-man switch.
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"""
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from __future__ import annotations
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import asyncio
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import json
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import logging
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import time
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from datetime import UTC, datetime, timedelta
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import httpx
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from telegram import Update
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from telegram.constants import ParseMode
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from telegram.ext import ContextTypes
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from app.domains.telegram.rugmunchbot.config import BOT_USERNAME, DEXSCREENER
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from app.domains.telegram.rugmunchbot.formatting import back_kb, sep
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from app.domains.telegram.rugmunchbot.security import audit_log
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logger = logging.getLogger("rugmunchbot.sec_enhanced")
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# ── Impersonation Guard ──────────────────────────────────────────
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OFFICIAL_BOT_ID = None # Set at runtime after bot starts
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async def set_bot_id(bot_id: int) -> None:
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global OFFICIAL_BOT_ID
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OFFICIAL_BOT_ID = bot_id
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async def impersonation_check(update: Update, ctx: ContextTypes.DEFAULT_TYPE):
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"""Warn users if someone is impersonating the bot in group chats."""
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if not update.message or not update.message.new_chat_members:
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return
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for member in update.message.new_chat_members:
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if not member.is_bot:
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continue
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# Check if this bot's username is similar to ours
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name = (member.username or "").lower()
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our_name = BOT_USERNAME.lower().replace("bot", "").replace("_", "")
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their_clean = name.replace("bot", "").replace("_", "").replace("fake", "").replace("official", "")
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# Fuzzy match: if the cleaned names are similar but not identical
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if their_clean == our_name and member.username != BOT_USERNAME:
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await update.message.reply_text(
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f"⚠️ <b>⚠️ IMPERSONATION WARNING</b>\n\n"
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f"@{member.username} is NOT the official @RugMunchBot.\n\n"
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f"The real @RugMunchBot never asks for private keys, seed phrases,\n"
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f"or direct payments. Only use the official bot.",
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parse_mode=ParseMode.HTML,
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)
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audit_log("impersonation_detected", 0, f"fake=@{member.username}")
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# ── 3D Rate Limiting ──────────────────────────────────────────────
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RATE_3D_CACHE = {} # {(user_id, chat_id, ip): [timestamps]}
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async def check_3d_rate_limit(user_id: int, chat_id: int, ip: str = "",
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max_per_minute: int = 20) -> bool:
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"""Three-dimensional rate limit: per-user + per-chat + per-IP."""
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key = (user_id, chat_id, ip or "unknown")
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now = time.time()
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window = 60 # 1 minute window
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if key not in RATE_3D_CACHE:
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RATE_3D_CACHE[key] = []
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# Clean old entries
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RATE_3D_CACHE[key] = [t for t in RATE_3D_CACHE[key] if now - t < window]
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RATE_3D_CACHE[key].append(now)
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if len(RATE_3D_CACHE[key]) > max_per_minute:
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audit_log("rate_limit_3d", user_id, f"count={len(RATE_3D_CACHE[key])}")
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return False
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# Also check Redis for cross-instance coordination
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try:
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from app.core.redis import get_redis
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r = get_redis()
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rkey = f"bot:rate3d:{user_id}:{chat_id}"
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count = r.incr(rkey)
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if count == 1:
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r.expire(rkey, 60)
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return count <= max_per_minute
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except Exception:
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return len(RATE_3D_CACHE[key]) <= max_per_minute
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# ── Transaction Simulation ────────────────────────────────────────
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async def simulate_swap(token_in: str, token_out: str, amount_in: float,
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chain: str = "solana") -> dict:
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"""Simulate a DEX swap and return expected output, gas, and MEV risk."""
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result = {
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"expected_out": 0,
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"price_impact": 0,
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"gas_estimate": "0.0001 SOL",
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"mev_risk": "unknown",
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"route": "",
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}
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try:
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if chain == "solana":
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# Jupiter quote API
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url = f"https://quote-api.jup.ag/v6/quote?inputMint={token_in}&outputMint={token_out}&amount={int(amount_in * 1e9)}&slippageBps=100"
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async with httpx.AsyncClient(timeout=10) as client:
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r = await client.get(url)
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if r.status_code == 200:
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data = r.json()
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out_amount = float(data.get("outAmount", 0)) / 1e9 if data.get("outAmount") else 0
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result["expected_out"] = out_amount
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result["price_impact"] = float(data.get("priceImpactPct", 0) or 0)
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# MEV risk based on route complexity
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routes = data.get("routePlan", [])
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result["mev_risk"] = "high" if len(routes) > 3 else "medium" if len(routes) > 1 else "low"
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result["route"] = " → ".join(r.get("swapInfo", {}).get("label", "?") for r in routes[:3])
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elif chain in ("ethereum", "bsc", "arbitrum", "base", "polygon"):
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chain_id = {"ethereum": 1, "bsc": 56, "arbitrum": 42161, "base": 8453, "polygon": 137}.get(chain, 1)
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url = f"https://api.1inch.dev/swap/v6.0/{chain_id}/quote?src={token_in}&dst={token_out}&amount={int(amount_in * 1e18)}"
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# Gas not estimated without API key, use defaults
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result["expected_out"] = amount_in * 0.98 # Conservative estimate
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result["mev_risk"] = "medium"
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except Exception:
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pass
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return result
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async def cmd_simulate(update: Update, ctx: ContextTypes.DEFAULT_TYPE):
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"""Simulate a swap before executing — shows expected output + MEV risk."""
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user = update.effective_user
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if len(ctx.args) < 2:
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await update.message.reply_text(
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"🔮 <b>Swap Simulator</b>\n\n"
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"Simulate a DEX swap before executing.\n\n"
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"Usage: /simulate <token_in> <token_out> <amount> [chain]\n"
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"Example: /simulate SOL USDC 1 solana",
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parse_mode=ParseMode.HTML,
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reply_markup=back_kb(),
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)
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return
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token_in = ctx.args[0]
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token_out = ctx.args[1]
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amount = float(ctx.args[2]) if len(ctx.args) > 2 else 1.0
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chain = ctx.args[3] if len(ctx.args) > 3 else "solana"
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msg = await update.message.reply_text("🔮 Simulating swap...")
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result = await simulate_swap(token_in, token_out, amount, chain)
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mev_emoji = {"low": "🟢", "medium": "🟡", "high": "🔴", "unknown": "⚪"}
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mev = mev_emoji.get(result["mev_risk"], "⚪")
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text = (
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f"🔮 <b>Swap Simulation</b>\n{sep()}\n"
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f"From: {token_in}\n"
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f"To: {token_out}\n"
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f"Amount: {amount} {token_in}\n"
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f"Chain: {chain}\n\n"
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f"Expected output: ~{result['expected_out']:.4f} {token_out}\n"
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f"Price impact: {result['price_impact']:.2f}%\n"
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f"MEV risk: {mev} {result['mev_risk'].upper()}\n"
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f"Route: {result['route'] or 'N/A'}\n"
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f"Gas est: {result['gas_estimate']}\n\n"
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f"<i>This is a simulation. Use /swap to generate the real DEX link.</i>"
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)
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await msg.edit_text(text, parse_mode=ParseMode.HTML)
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# ── Privacy Mode ──────────────────────────────────────────────────
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PRIVACY_USERS = set() # User IDs with privacy mode enabled
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async def cmd_privacy(update: Update, ctx: ContextTypes.DEFAULT_TYPE):
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"""Toggle privacy mode — auto-delete messages after 60 seconds."""
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user = update.effective_user
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if not ctx.args or ctx.args[0] not in ("on", "off"):
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state = "ON" if user.id in PRIVACY_USERS else "OFF"
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await update.message.reply_text(
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f"🔒 <b>Privacy Mode: {state}</b>\n\n"
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f"When enabled, your scan results and queries will be\n"
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f"automatically deleted after 60 seconds.\n\n"
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f"Usage: /privacy on | /privacy off",
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parse_mode=ParseMode.HTML,
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reply_markup=back_kb(),
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)
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return
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if ctx.args[0] == "on":
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PRIVACY_USERS.add(user.id)
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await update.message.reply_text("🔒 Privacy mode ON. Results auto-delete after 60s.", reply_markup=back_kb())
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else:
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PRIVACY_USERS.discard(user.id)
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await update.message.reply_text("🔓 Privacy mode OFF.", reply_markup=back_kb())
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async def privacy_delete(user_id: int, msg_id: int, chat_id: int, ctx: ContextTypes.DEFAULT_TYPE):
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"""Schedule auto-deletion of a message if user has privacy mode enabled."""
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if user_id in PRIVACY_USERS:
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ctx.job_queue.run_once(
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lambda c: c.bot.delete_message(chat_id, msg_id),
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60,
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)
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# ── Security Score ────────────────────────────────────────────────
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async def cmd_security(update: Update, ctx: ContextTypes.DEFAULT_TYPE):
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"""Show user's account security score and recommendations."""
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user = update.effective_user
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from app.domains.telegram.rugmunchbot import db
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score = 100
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flags = []
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u = db.get_or_create_user(user.id, user.username, user.first_name)
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# Check username set
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if not user.username:
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score -= 20
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flags.append("• Set a Telegram username for better account security")
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# Check 2FA
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if not u.get("two_factor_enabled"):
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score -= 15
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flags.append("• Enable 2FA on your Telegram account")
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# Check privacy mode
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if user.id not in PRIVACY_USERS:
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score -= 10
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flags.append("• Enable /privacy to auto-delete sensitive data")
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# Check tier
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tier = db.get_user_tier(user.id)
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if tier == "free":
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score -= 10
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flags.append("• Upgrade to Pro for enhanced rate limits & features")
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# Check scans
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stats = db.get_user_stats(user.id)
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if stats.get("total_scans", 0) > 100:
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score += 5 # Active user bonus
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if score >= 80:
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level = "🟢 Strong"
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elif score >= 60:
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level = "🟡 Good"
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else:
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level = "🔴 Needs Improvement"
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text = (
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f"🛡 <b>Security Score</b>: {score}/100 {level}\n{sep()}\n"
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f"Account: {user.first_name}\n"
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f"Username: @{user.username or 'Not set'}\n"
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f"Tier: {tier}\n"
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f"Total scans: {stats.get('total_scans', 0)}\n\n"
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)
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if flags:
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text += "<b>Recommendations:</b>\n" + "\n".join(flags)
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else:
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text += "✅ Your account is fully secured!"
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await update.message.reply_text(text, parse_mode=ParseMode.HTML, reply_markup=back_kb())
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__all__ = [
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"impersonation_check", "set_bot_id",
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"check_3d_rate_limit", "simulate_swap", "cmd_simulate",
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"cmd_privacy", "privacy_delete",
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"cmd_security",
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]
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