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import asyncio
import json
import os
import re
import tempfile
from html.parser import HTMLParser
from pathlib import Path
from urllib.parse import urljoin, urlsplit
import httpx
from . import config
from .pipeline import execute, in_host
from .scope import public_host
from .final_module_names import FINAL_MODULES
MODULES = {"nikto", "wpscan", "testssl", "wapiti", "retirejs", "idor-forge", "wafw00f", "semgrep", "graphw00f", "corsy", "takeover", "s3-review", "websocket", "vcs-artifacts", "race-replay", "nosql"} | FINAL_MODULES
def same_origin(candidate, target):
try:
a, b = urlsplit(candidate), urlsplit(target)
return (in_host(candidate, b.hostname) and a.scheme == b.scheme and
(a.port if a.port is not None else (443 if a.scheme == "https" else 80)) ==
(b.port if b.port is not None else (443 if b.scheme == "https" else 80)))
except (TypeError, ValueError):
return False
class WordPressEvidence(HTMLParser):
def __init__(self, target):
super().__init__()
self.target = target
self.install_url = None
self.evidence = []
def handle_starttag(self, tag, attrs):
attrs = dict(attrs)
if (tag == "meta" and str(attrs.get("name", "")).lower() == "generator"
and re.match(r"wordpress(?:\s|$)", str(attrs.get("content", "")), re.I)):
self.evidence.append("WordPress generator meta tag")
self.install_url = self.install_url or urlsplit(self.target)._replace(query="", fragment="").geturl()
if tag not in ("link", "script"):
return
value = attrs.get("href" if tag == "link" else "src")
if not value:
return
try:
candidate = urljoin(self.target, value)
if not same_origin(candidate, self.target):
return
parts = urlsplit(candidate)
match = re.search(r"/(?:wp-content|wp-includes)/", parts.path, re.I)
if match:
self.evidence.append("Same-origin WordPress asset")
self.install_url = parts._replace(
path=parts.path[:match.start() + 1], query="", fragment="").geturl()
except ValueError:
pass
async def wordpress_preflight(url, host, agent):
"""A current-page sample with bounded, same-origin-only redirects."""
from .sampling import FetchProblem, fetch_page
try:
body, content_type, sampled_url = await fetch_page(
url, agent, config.WEB_PREFLIGHT_MAX_BYTES, public_host,
timeout=10, request_timeout=8, truncate=True)
parser = WordPressEvidence(sampled_url)
parser.feed(body.decode("utf-8", "replace"))
evidence = "; ".join(dict.fromkeys(parser.evidence))
if evidence and sampled_url != url:
evidence += "; same-origin redirected page sampled"
return parser.install_url, evidence or "WordPress unconfirmed: no current-page WordPress evidence"
except (FetchProblem, httpx.HTTPError, asyncio.TimeoutError, ValueError) as exc:
detail = str(exc) if isinstance(exc, FetchProblem) else exc.__class__.__name__
return None, "WordPress unconfirmed: preflight " + detail
def read_report(path):
try:
with open(path, encoding="utf-8") as source:
content = source.read(config.WEB_REPORT_MAX_BYTES + 1)
if len(content) > config.WEB_REPORT_MAX_BYTES:
return None
return json.loads(content)
except (OSError, ValueError):
return None
def alert(source, title, url, description, risk="Informational", rule=""):
return {"source": source, "name": str(title)[:200], "url": url,
"description": str(description)[:1500], "risk": risk,
"confidence": "Low", "rule_id": str(rule)[:120]}
def parse_nikto(report, target):
findings = []
hosts = report if isinstance(report, list) else [report]
for item in hosts:
if not isinstance(item, dict):
continue
for entry in item.get("vulnerabilities", []):
if not isinstance(entry, dict):
continue
candidate = urljoin(target, str(entry.get("url") or "/"))
if same_origin(candidate, target):
findings.append(alert("nikto", "Nikto: " + str(entry.get("msg") or entry.get("id")),
candidate, entry.get("msg") or "", rule=entry.get("id", "")))
return findings[:config.WEB_FINDINGS_LIMIT]
def parse_wpscan(report, target):
if not isinstance(report, dict):
return []
findings = []
for entry in report.get("interesting_findings", []):
if not isinstance(entry, dict):
continue
candidate = str(entry.get("url") or target)
if same_origin(candidate, target):
findings.append(alert("wpscan", "WPScan: " + str(entry.get("to_s") or entry.get("type")),
candidate, entry.get("found_by") or "WordPress observation"))
components = [("WordPress", report.get("version")), ("Theme", report.get("main_theme"))]
for section in ("plugins", "themes"):
entries = report.get(section)
if isinstance(entries, dict):
components.extend((str(name), item) for name, item in entries.items())
for label, item in components:
if not isinstance(item, dict):
continue
candidate = str(item.get("location") or target)
if not same_origin(candidate, target):
continue
for vuln in item.get("vulnerabilities", []):
if isinstance(vuln, dict):
findings.append(alert("wpscan", label + ": " + str(vuln.get("title") or "Vulnerability candidate"),
candidate, "Unverified database match. Fixed in: " +
str(vuln.get("fixed_in") or "not provided"),
rule=vuln.get("id", "")))
return findings[:config.WEB_FINDINGS_LIMIT]
def parse_testssl(report, target):
if not isinstance(report, list):
return []
# OK/INFO records describe capabilities; do not turn them into vulnerabilities.
risks = {"LOW": "Low", "MEDIUM": "Medium", "HIGH": "High", "CRITICAL": "Critical", "WARN": "Low"}
return [alert("testssl", "TLS: " + str(item.get("id") or "configuration"),
target, item.get("finding") or "", risks[str(item.get("severity")).upper()],
item.get("id", ""))
for item in report if isinstance(item, dict) and
str(item.get("severity")).upper() in risks][:config.WEB_FINDINGS_LIMIT]
def command(module, target, host, agent, report, delay):
pause = str(max(config.REQUEST_DELAY_MIN, float(delay)))
if module == "nikto":
return ["perl", "/opt/nikto/program/nikto.pl", "-h", target,
"-ask", "no", "-Tuning", "23b", "-Pause", pause,
"-timeout", "5", "-maxtime", str(config.NIKTO_SCAN_SECONDS) + "s",
"-useragent", agent, "-Format", "json", "-output", report]
if module == "wpscan":
return ["ruby", "/app/app/wpscan_runner.rb", "--url", target,
"--scope", host, "--detection-mode", "passive",
"--plugins-detection", "passive", "--plugins-version-detection", "passive",
"--themes-detection", "passive", "--themes-version-detection", "passive",
"--enumerate", "vp,vt", "--max-threads", "1",
"--throttle", str(round(float(pause) * 1000)),
"--request-timeout", "5", "--connect-timeout", "5",
"--max-response-size", "1", "--max-scan-duration", str(config.WPSCAN_SCAN_SECONDS),
"--cookie-jar", str(Path(report).parent / "cookies.txt"),
"--cache-dir", str(Path(report).parent / "cache"),
"--no-update", "--no-banner", "--format", "json", "--output", report]
if module == "testssl":
# Server-defaults subset only. No exhaustive cipher/vulnerability sweeps.
origin = urlsplit(target)._replace(path="/", query="", fragment="").geturl()
return ["bash", "/opt/testssl/testssl.sh", "--quiet", "--color", "0",
"--warnings", "batch", "-S", "--ip", "one",
"--nodns", "min", "--connect-timeout", "5", "--openssl-timeout", "5",
"--jsonfile", report, origin]
raise ValueError("Unknown web module")
async def run_web_module(module, url, host, agent, delay=1.5, discovered=None, inputs=None, profile="current"):
if module not in MODULES or not in_host(url, host):
raise ValueError("Invalid module or out-of-scope web target")
if module in ("race-replay", "nosql"):
from .replay_modules import run
return await run(module, url, host, agent, delay, inputs)
if module in ("graphw00f", "corsy", "takeover", "s3-review", "websocket", "vcs-artifacts"):
from .protocol_modules import run
return await run(module, url, host, agent, delay, discovered, inputs)
if module in ("wafw00f", "semgrep"):
from .analysis_modules import run
return await run(module, url, host, agent, delay, inputs)
if module == "idor-forge":
from .idor_module import run
return await run(url, host, agent, delay, inputs)
if module in FINAL_MODULES:
from .final_modules import run
return await run(module, url, host, agent, delay, inputs, profile=profile)
if module in ("wapiti", "retirejs"):
from . import client_modules
if module == "retirejs":
return await client_modules.retirejs(url, host, agent, delay, discovered or [], **({"profile": profile} if profile != "current" else {}))
return await client_modules.wapiti(url, host, agent, delay)
target, evidence = url, ""
if module == "testssl" and urlsplit(url).scheme != "https":
return {"status": "skipped", "source": module, "alerts": [], "target": url,
"reason": "Not applicable: TLS review requires an HTTPS target",
"output": "Skipped testssl.sh: HTTP target"}
if module == "wpscan":
target, evidence = await wordpress_preflight(url, host, agent)
if not target:
return {"status": "skipped", "source": module, "alerts": [], "target": url,
"reason": evidence, "output": "Skipped WPScan: " + evidence}
public_host(host, os.environ.get("ALLOW_PRIVATE_TARGETS") == "1")
deadlines = {"nikto": config.NIKTO_TIMEOUT_SECONDS, "wpscan": config.WPSCAN_TIMEOUT_SECONDS,
"testssl": config.TESTSSL_TIMEOUT_SECONDS}
with tempfile.TemporaryDirectory(prefix="asfb-" + module + "-") as tmp:
path = str(Path(tmp) / "report.json")
rows, status = await execute(command(module, target, host, agent, path, delay), deadlines[module])
report = read_report(path)
code = next((int(row.rsplit(":", 1)[1]) for row in rows
if row.startswith("[diagnostic] Process exit code:") and
row.rsplit(":", 1)[1].strip().isdigit()), None)
if module == "wpscan" and code == 5 and isinstance(report, dict) and not report.get("scan_aborted"):
status = "findings" # Documented WPScan vulnerability exit code.
parsers = {"nikto": parse_nikto, "wpscan": parse_wpscan, "testssl": parse_testssl}
findings = parsers[module](report, target)
reasons = [row[:180] for row in rows if row.startswith(("[diagnostic]", "[stderr]"))
and not (module == "wpscan" and code == 5 and status == "findings" and
row.startswith("[diagnostic] Process exit code:"))]
if module == "nikto" and any("maximum execution time" in row.lower() for row in rows):
status = "partial"
reasons.append("Nikto reached its internal scan deadline; coverage is partial")
if isinstance(report, dict) and report.get("scan_aborted"):
if status not in ("timeout", "unavailable"):
status = "partial" if findings else "failed"
reasons.append(str(report["scan_aborted"])[:200])
if report is None:
if status in ("completed", "findings"):
status = "failed"
reasons.append("No readable bounded JSON report was produced")
if module == "wpscan" and not os.environ.get("WPSCAN_API_TOKEN"):
reasons.append("No WPSCAN_API_TOKEN: inventory only; vulnerability database coverage is unavailable")
if module == "testssl":
reasons.append("Limited TLS server-defaults profile; exhaustive TLS tests are not enabled")
# Never include raw report metadata or credentials in persisted results.
token = os.environ.get("WPSCAN_API_TOKEN")
reason = " | ".join(reasons)
if token:
reason = reason.replace(token, "[redacted]")
for item in findings:
item["description"] = item["description"].replace(token, "[redacted]")
return {"status": status, "source": module, "target": target, "alerts": findings,
"reason": reason[:500], "applicability_evidence": evidence,
"exit_code": code,
"output": f"{module}: {len(findings)} unverified findings; status: {status}"}
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