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d543fc1 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 | import uuid
import hashlib
import hmac
import secrets
import base64
import subprocess
from typing import *
import os
import sys
import re
import json
import time
import urllib3
import requests
import socket
import logging
import threading
import concurrent.futures
import ipaddress
import ssl
from urllib.parse import urlparse, urljoin, urlencode, quote
from collections import defaultdict
from bs4 import BeautifulSoup
from datetime import datetime, timezone
CHAIN_RULES: list[dict] = [
{
"name": "SSRF → Cloud Metadata Credential Theft",
"risk": "Critical",
"cvss_bonus": 2.0,
"conditions": [
{"scanner_key": "ssrf", "severity": {"$in": ["High", "Critical"]}},
{"scanner_key": "secrets", "category": "Cloud Credentials"},
],
},
{
"name": "LFI → Remote Code Execution (log poisoning)",
"risk": "Critical",
"cvss_bonus": 1.5,
"conditions": [
{"scanner_key": "lfi", "severity": {"$in": ["High", "Critical"]}},
{"scanner_key": "file_upload", "severity": "Medium"},
],
},
{
"name": "XSS + CSRF → Full Account Takeover",
"risk": "Critical",
"cvss_bonus": 2.5,
"conditions": [
{"scanner_key": "blind_xss", "severity": {"$in": ["High", "Critical"]}},
{"scanner_key": "csrf"},
],
},
{
"name": "Open Redirect + OAuth Token Leakage",
"risk": "High",
"cvss_bonus": 1.0,
"conditions": [
{"scanner_key": "open_redirect"},
{"scanner_key": "oauth"},
],
},
{
"name": "Weak JWT + IDOR → Privilege Escalation",
"risk": "Critical",
"cvss_bonus": 2.0,
"conditions": [
{"scanner_key": "jwt"},
{"scanner_key": "idor"},
],
},
{
"name": "SQL Injection + File Upload → Web Shell",
"risk": "Critical",
"cvss_bonus": 2.5,
"conditions": [
{"scanner_key": "sql_injection"},
{"scanner_key": "file_upload"},
],
},
{
"name": "Broken Authentication + Weak Session → Account Takeover",
"risk": "High",
"cvss_bonus": 1.5,
"conditions": [
{"scanner_key": "auth"},
{"scanner_key": "session"},
],
},
{
"name": "Subdomain Takeover + XSS → Full Application Compromise",
"risk": "Critical",
"cvss_bonus": 2.0,
"conditions": [
{"scanner_key": "subdomain_takeover"},
{"scanner_key": {"$in": ["blind_xss", "dom_xss"]}},
],
},
{
"name": "SSTI + Path Traversal → Remote Code Execution",
"risk": "Critical",
"cvss_bonus": 2.5,
"conditions": [
{"scanner_key": "ssti"},
{"scanner_key": "path_traversal"},
],
},
{
"name": "CORS Misconfiguration + XSS → Cross-Origin Data Theft",
"risk": "High",
"cvss_bonus": 1.5,
"conditions": [
{"scanner_key": "cors", "severity": {"$in": ["High", "Critical"]}},
{"scanner_key": {"$in": ["blind_xss", "dom_xss"]}},
],
},
{
"name": "Race Condition + Coupon → Financial Loss",
"risk": "High",
"cvss_bonus": 1.0,
"conditions": [
{"scanner_key": "race_condition"},
{"scanner_key": "business_logic"},
],
},
{
"name": "Host Header Injection + Cache Poisoning → Widespread XSS",
"risk": "Critical",
"cvss_bonus": 2.5,
"conditions": [
{"scanner_key": "host_header"},
{"scanner_key": "cache_poisoning"},
],
},
{
"name": "NoSQL Injection + Authentication Bypass → Full Admin Access",
"risk": "Critical",
"cvss_bonus": 2.0,
"conditions": [
{"scanner_key": "nosql"},
{"scanner_key": "auth"},
],
},
{
"name": "Deserialization + Command Injection → Remote Code Execution",
"risk": "Critical",
"cvss_bonus": 2.5,
"conditions": [
{"scanner_key": "deserialization"},
{"scanner_key": "command_injection"},
],
},
{
"name": "Cookie Without Secure + Session Hijacking → Account Takeover",
"risk": "High",
"cvss_bonus": 1.0,
"conditions": [
{"scanner_key": "cookie"},
{"scanner_key": "session"},
],
},
]
EVIDENCE_EXTRACTORS: dict[str, list[str]] = {
"ssrf": ["http://169.254", "imds", "metadata"],
"lfi": ["root:", "etc/passwd", "boot.ini", "windows"],
"sql_injection": ["SQL syntax", "mysql_fetch", "ORA-", "unclosed quotation"],
"xss": ["<script>", "alert(", "onerror=", "onload="],
}
def detect_chains(vulns: list[dict]) -> list[dict]:
chains = []
keyed: dict[str, list[dict]] = {}
for v in vulns:
sk = v.get("scanner_key", "unknown")
keyed.setdefault(sk, []).append(v)
for rule in CHAIN_RULES:
matched = []
for cond in rule["conditions"]:
sk_cond = cond.get("scanner_key", "")
sev_cond = cond.get("severity", {})
if isinstance(sk_cond, dict) and "$in" in sk_cond:
candidates = []
for alt_sk in sk_cond["$in"]:
candidates.extend(keyed.get(alt_sk, []))
else:
candidates = keyed.get(sk_cond, [])
if not candidates:
matched = []
break
if sev_cond and "$in" in sev_cond:
candidates = [c for c in candidates if c.get("severity") in sev_cond["$in"]]
if not candidates:
matched = []
break
matched.extend(candidates[:2])
if matched:
combined_title = rule["name"]
combined_desc = f"Attack chain detected: {rule['name']}\n\n"
combined_desc += "Contributing findings:\n"
base_cvss = 0.0
for m in matched:
combined_desc += f" - {m.get('title', 'unknown')} ({m.get('severity', 'Info')})\n"
base_cvss = max(base_cvss, m.get("cvss_score", 0))
combined_cvss = min(base_cvss + rule.get("cvss_bonus", 0), 10.0)
chains.append({
"chain_name": rule["name"],
"risk": rule.get("risk", "Medium"),
"cvss_score": round(combined_cvss, 1),
"description": combined_desc,
"contributing_findings": matched,
"remediation": "Each finding in this chain must be addressed. "
"Attackers chain these weaknesses for maximum impact. "
"Priority: fix the chain as a whole.",
})
return chains
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