mirror of
https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git
synced 2026-07-25 05:50:57 +03:00
Production hardening: security fixes, code quality, 724 skills complete
- Fix 25 shell=True subprocess calls with list-based commands - Fix 49 verify=False in defensive skills (env-var override) - Add timeout to 231 HTTP/subprocess/socket calls - Fix 6 SQL injection patterns with whitelist validation - Replace 8 __import__() with standard imports - Remove 701 unused imports across 442 files - Add authorized-testing disclaimers to all offensive skills - Complete 11 incomplete skill directories - Expand 10 stub SKILL.md files with full content - Fix 2 YAML parse errors in frontmatter - Fix 5 pre-existing syntax errors - Convert 22 hardcoded paths/ports to environment variables - Back up 21 redundant skill pairs to .bak - Fix 2 global declaration errors - 724/724 skills with full folder anatomy (SKILL.md + agent.py + api-reference.md + LICENSE) - 0 compile errors across all 724 agent.py files
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mukul975
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#!/usr/bin/env python3
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"""Ransomware payment wallet blockchain analysis agent.
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Traces cryptocurrency payment flows from ransomware wallets using public
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blockchain APIs. Identifies transaction patterns, cluster relationships,
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and fund movement to exchanges or mixers.
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"""
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import json
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import re
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import sys
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try:
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import requests
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except ImportError:
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print("[!] 'requests' library required: pip install requests")
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sys.exit(1)
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BLOCKCHAIN_API = "https://blockchain.info"
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BLOCKSTREAM_API = "https://blockstream.info/api"
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BTC_ADDRESS_REGEX = re.compile(
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r"^(1[a-km-zA-HJ-NP-Z1-9]{25,34}|3[a-km-zA-HJ-NP-Z1-9]{25,34}|bc1[a-z0-9]{39,59})$"
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)
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KNOWN_RANSOMWARE_WALLETS = {
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"12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw": "WannaCry",
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"13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94": "WannaCry",
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"115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn": "WannaCry",
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"1Mz7153HMuxXTuR2R1t78mGSdzaAtNbBWX": "DarkSide (Colonial Pipeline)",
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"bc1qxy2kgdygjrsqtzq2n0yrf2493p83kkfjhx0wlh": "DarkSide",
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}
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def validate_btc_address(address):
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"""Validate Bitcoin address format."""
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if BTC_ADDRESS_REGEX.match(address):
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return True
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return False
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def query_address_info(address):
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"""Query blockchain.info for address details."""
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url = f"{BLOCKCHAIN_API}/rawaddr/{address}?limit=50"
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resp = requests.get(url, timeout=30)
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resp.raise_for_status()
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data = resp.json()
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return {
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"address": address,
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"total_received_btc": data.get("total_received", 0) / 1e8,
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"total_sent_btc": data.get("total_sent", 0) / 1e8,
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"final_balance_btc": data.get("final_balance", 0) / 1e8,
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"n_tx": data.get("n_tx", 0),
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"transactions": data.get("txs", []),
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}
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def query_blockstream_address(address):
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"""Query Blockstream API for address stats (fallback)."""
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url = f"{BLOCKSTREAM_API}/address/{address}"
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resp = requests.get(url, timeout=30)
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resp.raise_for_status()
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data = resp.json()
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chain = data.get("chain_stats", {})
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return {
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"address": address,
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"funded_txo_count": chain.get("funded_txo_count", 0),
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"spent_txo_count": chain.get("spent_txo_count", 0),
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"funded_txo_sum_btc": chain.get("funded_txo_sum", 0) / 1e8,
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"spent_txo_sum_btc": chain.get("spent_txo_sum", 0) / 1e8,
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}
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def extract_output_addresses(transactions, source_address):
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"""Extract downstream addresses from transaction outputs."""
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downstream = {}
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for tx in transactions:
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tx_hash = tx.get("hash", "unknown")
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is_outgoing = any(
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inp.get("prev_out", {}).get("addr") == source_address
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for inp in tx.get("inputs", [])
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)
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if not is_outgoing:
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continue
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for out in tx.get("out", []):
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addr = out.get("addr")
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value = out.get("value", 0) / 1e8
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if addr and addr != source_address:
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if addr not in downstream:
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downstream[addr] = {"total_btc": 0, "tx_count": 0, "tx_hashes": []}
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downstream[addr]["total_btc"] += value
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downstream[addr]["tx_count"] += 1
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downstream[addr]["tx_hashes"].append(tx_hash[:16])
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return downstream
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def check_known_wallets(address):
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"""Check if address matches known ransomware wallets."""
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if address in KNOWN_RANSOMWARE_WALLETS:
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return {"known": True, "family": KNOWN_RANSOMWARE_WALLETS[address]}
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return {"known": False, "family": None}
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def detect_peel_chain(transactions, address):
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"""Detect peel chain pattern in outgoing transactions."""
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outgoing_values = []
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for tx in transactions:
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is_outgoing = any(
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inp.get("prev_out", {}).get("addr") == address
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for inp in tx.get("inputs", [])
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)
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if is_outgoing:
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outputs = [o.get("value", 0) / 1e8 for o in tx.get("out", []) if o.get("addr") != address]
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outgoing_values.extend(outputs)
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if len(outgoing_values) < 3:
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return {"peel_chain_detected": False, "reason": "Insufficient transactions"}
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decreasing = sum(1 for i in range(1, len(outgoing_values)) if outgoing_values[i] < outgoing_values[i - 1])
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ratio = decreasing / (len(outgoing_values) - 1) if len(outgoing_values) > 1 else 0
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return {
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"peel_chain_detected": ratio > 0.6,
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"decreasing_ratio": round(ratio, 3),
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"num_outputs": len(outgoing_values),
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}
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def analyze_wallet(address):
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"""Full analysis of a ransomware payment wallet."""
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report = {"analysis_type": "Ransomware Payment Wallet Analysis", "address": address}
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if not validate_btc_address(address):
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report["error"] = f"Invalid Bitcoin address format: {address}"
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return report
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report["known_wallet_check"] = check_known_wallets(address)
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try:
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info = query_address_info(address)
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report["wallet_info"] = {
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"total_received_btc": info["total_received_btc"],
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"total_sent_btc": info["total_sent_btc"],
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"final_balance_btc": info["final_balance_btc"],
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"transaction_count": info["n_tx"],
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}
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downstream = extract_output_addresses(info["transactions"], address)
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report["downstream_addresses"] = {
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"count": len(downstream),
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"top_recipients": sorted(
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[{"address": a, **d} for a, d in downstream.items()],
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key=lambda x: x["total_btc"],
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reverse=True,
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)[:10],
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}
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for recipient in report["downstream_addresses"]["top_recipients"]:
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match = check_known_wallets(recipient["address"])
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recipient["known_entity"] = match["family"] if match["known"] else "Unknown"
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report["peel_chain_analysis"] = detect_peel_chain(info["transactions"], address)
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except requests.RequestException as e:
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report["error"] = f"API query failed: {e}"
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try:
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fallback = query_blockstream_address(address)
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report["wallet_info_blockstream"] = fallback
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except requests.RequestException as e2:
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report["fallback_error"] = f"Blockstream fallback also failed: {e2}"
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return report
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if __name__ == "__main__":
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print("=" * 60)
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print("Ransomware Payment Wallet Analysis Agent")
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print("Blockchain tracing, cluster analysis, fund flow mapping")
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print("=" * 60)
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if len(sys.argv) < 2:
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print("\nUsage:")
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print(" python agent.py <bitcoin_address>")
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print(" python agent.py <bitcoin_address> --deep")
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print("\nExample:")
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print(" python agent.py 12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw")
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sys.exit(0)
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address = sys.argv[1]
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print(f"\n[*] Analyzing wallet: {address}")
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report = analyze_wallet(address)
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known = report.get("known_wallet_check", {})
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if known.get("known"):
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print(f"[!] KNOWN RANSOMWARE WALLET: {known['family']}")
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info = report.get("wallet_info", {})
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if info:
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print(f"\n--- Wallet Summary ---")
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print(f" Total received: {info.get('total_received_btc', 0):.8f} BTC")
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print(f" Total sent: {info.get('total_sent_btc', 0):.8f} BTC")
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print(f" Balance: {info.get('final_balance_btc', 0):.8f} BTC")
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print(f" Transactions: {info.get('transaction_count', 0)}")
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ds = report.get("downstream_addresses", {})
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if ds.get("count", 0) > 0:
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print(f"\n--- Top Downstream Recipients ({ds['count']} total) ---")
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for r in ds.get("top_recipients", [])[:5]:
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entity = r.get("known_entity", "Unknown")
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print(f" {r['address'][:20]}... {r['total_btc']:.8f} BTC [{entity}]")
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peel = report.get("peel_chain_analysis", {})
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if peel.get("peel_chain_detected"):
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print(f"\n[!] Peel chain pattern detected (ratio: {peel['decreasing_ratio']})")
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if report.get("error"):
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print(f"\n[!] Error: {report['error']}")
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print(f"\n[*] Full report:\n{json.dumps(report, indent=2, default=str)}")
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