mirror of
https://github.com/CyberSecurityUP/shellcode-tester-pro/
synced 2026-06-06 15:34:29 +00:00
Joas A Santos
1088 lines
43 KiB
Python
1088 lines
43 KiB
Python
import sys
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import ctypes
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import platform
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import requests
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from fpdf import FPDF
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from PyQt5.QtWidgets import (
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QApplication, QWidget, QTabWidget, QVBoxLayout, QTextEdit, QPushButton,
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QLabel, QHBoxLayout, QFileDialog, QMessageBox, QLineEdit, QComboBox
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)
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from PyQt5.QtGui import QFont, QColor, QPalette
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from PyQt5.QtCore import Qt
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from unicorn import *
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from unicorn.x86_const import *
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from capstone import *
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import tempfile
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import subprocess
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import os
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import importlib.util
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sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))
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from plugins import plugin_manager_portuguese
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import json
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import re
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class ShellcodeTesterProBr(QWidget):
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def __init__(self):
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super().__init__()
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self.setWindowTitle("Shellcode Tester Pro")
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self.setGeometry(100, 100, 900, 700)
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self.set_dark_theme()
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self.dark_mode = True
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self.init_ui()
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self.plugin_refs = {} # Plugins carregados dinamicamente
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self.loaded_plugins = [] # Plugins já ativos
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self.suspect_shellcode = b""
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def set_dark_theme(self):
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palette = QPalette()
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palette.setColor(QPalette.Window, QColor(20, 20, 20))
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palette.setColor(QPalette.WindowText, Qt.white)
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palette.setColor(QPalette.Base, QColor(30, 30, 30))
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palette.setColor(QPalette.AlternateBase, QColor(45, 45, 45))
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palette.setColor(QPalette.ToolTipBase, Qt.white)
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palette.setColor(QPalette.ToolTipText, Qt.white)
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palette.setColor(QPalette.Text, Qt.white)
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palette.setColor(QPalette.Button, QColor(53, 53, 53))
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palette.setColor(QPalette.ButtonText, Qt.white)
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palette.setColor(QPalette.BrightText, Qt.red)
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palette.setColor(QPalette.Highlight, QColor(142, 45, 197).lighter())
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palette.setColor(QPalette.HighlightedText, Qt.black)
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self.setPalette(palette)
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def init_ui(self):
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layout = QVBoxLayout()
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tabs = QTabWidget()
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toggle_theme_btn = QPushButton("Alternar Modo Claro/Escuro")
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toggle_theme_btn.clicked.connect(self.toggle_theme)
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layout.addWidget(toggle_theme_btn)
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# Botão de créditos (ícone de interrogação)
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credit_btn = QPushButton("❓")
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credit_btn.setFixedSize(30, 30)
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credit_btn.setToolTip("Sobre o Shellcode Tester Pro")
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credit_btn.clicked.connect(self.show_credits)
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header_layout = QHBoxLayout()
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header_layout.addWidget(toggle_theme_btn)
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header_layout.addStretch()
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header_layout.addWidget(credit_btn)
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layout.addLayout(header_layout)
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# Criar abas
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self.execution_tab = self.create_execution_tab()
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self.unicorn_tab = self.create_unicorn_tab()
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self.sandbox_tab = self.create_sandbox_tab()
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self.deobfuscation_tab = self.create_deobfuscation_tab()
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self.memory_tab = self.create_memory_tab()
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self.step_tab = self.create_step_tab()
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self.remote_tab = self.create_remote_tab()
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# self.pdf_tab = self.create_pdf_tab()
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self.capstone_tab = self.create_analysis_tab()
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self.info_tab = self.create_info_tab()
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self.loaded_plugins = []
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self.tabs = tabs
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self.load_plugins()
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self.evasion_tab = self.create_evasion_tab()
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self.binary_tab = self.create_binary_tab()
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# Adiciona abas
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tabs.addTab(self.execution_tab, "Importação e Execução")
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tabs.addTab(self.unicorn_tab, "Emulador Unicorn")
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tabs.addTab(self.sandbox_tab, "Sandbox Heurística")
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tabs.addTab(self.deobfuscation_tab, "Desofuscação e Criptografia")
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tabs.addTab(self.memory_tab, "Dump de Memória Hex")
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tabs.addTab(self.step_tab, "Execução Passo a Passo")
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tabs.addTab(self.remote_tab, "Shellcode Remoto")
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# tabs.addTab(self.pdf_tab, "Exportar PDF")
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tabs.addTab(self.capstone_tab, "Disassembly")
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tabs.addTab(self.info_tab, "Fingerprint")
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tabs.addTab(self.evasion_tab, "Análise de Evasão")
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tabs.addTab(self.binary_tab, "Análise de Binário")
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layout.addWidget(tabs)
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self.setLayout(layout)
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def set_light_theme(self):
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self.dark_mode = False
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self.setPalette(QApplication.style().standardPalette())
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def toggle_theme(self):
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if self.dark_mode:
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self.set_light_theme()
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self.dark_mode = False
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else:
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self.set_dark_theme()
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self.dark_mode = True
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def load_plugins(self):
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plugins_path = os.path.abspath(os.path.join(os.path.dirname(__file__),"..", "plugins"))
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if not os.path.exists(plugins_path):
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os.makedirs(plugins_path)
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enabled_path = os.path.join(plugins_path, "enabled_plugins.json")
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if os.path.exists(enabled_path):
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with open(enabled_path, "r") as f:
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enabled_plugins = json.load(f)
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else:
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enabled_plugins = {}
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for filename in os.listdir(plugins_path):
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if filename.endswith(".py") and filename:
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if enabled_plugins.get(filename, True): # Habilitado por padrão
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try:
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path = os.path.join(plugins_path, filename)
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spec = importlib.util.spec_from_file_location("plugin", path)
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plugin = importlib.util.module_from_spec(spec)
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spec.loader.exec_module(plugin)
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plugin.register(self)
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self.loaded_plugins.append(filename)
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print(f"[+] Plugin carregado: {filename}")
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except Exception as e:
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print(f"[!] Erro ao carregar {filename}: {e}")
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def create_binary_tab(self):
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tab = QWidget()
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layout = QVBoxLayout()
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self.binary_output = QTextEdit()
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self.binary_output.setReadOnly(True)
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self.load_binary_btn = QPushButton("Carregar ELF ou EXE")
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self.load_binary_btn.clicked.connect(self.analyze_binary_file)
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self.export_shellcode_btn = QPushButton("Exportar Shellcode Suspeito")
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self.export_shellcode_btn.setEnabled(False)
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self.export_shellcode_btn.clicked.connect(self.export_extracted_shellcode)
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layout.addWidget(QLabel("Análise de Binários ELF / EXE"))
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layout.addWidget(self.load_binary_btn)
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layout.addWidget(self.export_shellcode_btn)
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layout.addWidget(self.binary_output)
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tab.setLayout(layout)
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return tab
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def analyze_binary_file(self):
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self.binary_output.clear()
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self.suspect_shellcodes = []
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file_path, _ = QFileDialog.getOpenFileName(self, "Abrir arquivo ELF ou EXE", "", "Executáveis (*.exe *.bin *.elf *.out)")
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if not file_path:
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self.binary_output.setText("[!] Nenhum arquivo selecionado.")
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return
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try:
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with open(file_path, "rb") as f:
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data = f.read()
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self.binary_output.append(f"[+] Arquivo carregado: {file_path}")
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self.binary_output.append(f"[+] Tamanho: {len(data)} bytes")
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findings = []
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if b"VirtualAlloc" in data or b"CreateThread" in data:
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findings.append("[!] API Windows detectada (possível shellcode)")
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if b"/bin/sh" in data:
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findings.append("[!] String '/bin/sh' detectada")
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if b"mmap" in data:
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findings.append("[!] mmap detectado")
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if data.count(b"\x90") > 50:
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findings.append("[!] NOP sled detectado (> 50 bytes)")
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hex_patterns = re.findall(rb'(?:\\x[0-9a-fA-F]{2}){10,}', data)
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if hex_patterns:
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findings.append(f"[!] {len(hex_patterns)} buffer(s) hex inline encontrados")
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blocks = re.findall(rb'([\x90-\xff]{30,})', data)
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for idx, block in enumerate(blocks):
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self.suspect_shellcodes.append(block)
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if blocks:
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findings.append(f"[!] {len(blocks)} bloco(s) binários suspeitos encontrados")
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for i, b in enumerate(blocks[:3]): # Mostra até 3 previews
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preview = ' '.join(f"{byte:02x}" for byte in b[:32])
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self.binary_output.append(f"[+] Bloco {i+1} ({len(b)} bytes): {preview}...")
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if not findings:
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self.binary_output.append("[*] Nenhum padrão suspeito encontrado.")
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else:
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self.binary_output.append("\n".join(findings))
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if self.suspect_shellcodes:
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self.export_shellcode_btn.setEnabled(True)
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except Exception as e:
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self.binary_output.setText(f"[!] Erro ao analisar: {str(e)}")
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def export_extracted_shellcode(self):
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try:
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base_path, _ = QFileDialog.getSaveFileName(self, "Salvar Shellcode", "shellcode_extraido", "Arquivos binários (*.bin)")
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if base_path:
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for i, blob in enumerate(self.suspect_shellcodes):
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filename = f"{base_path}_part{i+1}.bin"
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with open(filename, "wb") as f:
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f.write(blob)
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self.binary_output.append(f"[+] {len(self.suspect_shellcodes)} shellcodes exportados para arquivos!")
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except Exception as e:
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self.binary_output.append(f"[!] Erro ao salvar shellcodes: {str(e)}")
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def create_analysis_tab(self):
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tab = QWidget()
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layout = QVBoxLayout()
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self.analysis_input = QTextEdit()
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self.analysis_output = QTextEdit()
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self.analysis_output.setReadOnly(True)
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analyze_btn = QPushButton("Analisar com Capstone")
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analyze_btn.clicked.connect(self.analyze_capstone)
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export_btn = QPushButton("Exportar Resultado da Análise")
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export_btn.clicked.connect(self.export_analysis_result)
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layout.addWidget(QLabel("Shellcode para Análise:"))
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layout.addWidget(self.analysis_input)
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layout.addWidget(analyze_btn)
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layout.addWidget(export_btn)
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layout.addWidget(QLabel("Resultado Capstone:"))
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layout.addWidget(self.analysis_output)
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tab.setLayout(layout)
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return tab
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def detect_arch_and_mode(self, data: bytes):
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if b"\x0f\x05" in data or b"\x48" in data:
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return CS_ARCH_X86, CS_MODE_64
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elif b"\xcd\x80" in data:
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return CS_ARCH_X86, CS_MODE_32
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elif b"\x00\xf0\x20\xe3" in data or b"\x01\x00\xa0\xe3" in data:
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return CS_ARCH_ARM, CS_MODE_ARM
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elif b"\x20\x00\x80\xd2" in data: # mov x0, #0 (aarch64)
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return CS_ARCH_ARM64, CS_MODE_ARM
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else:
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return CS_ARCH_X86, CS_MODE_64 # fallback
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def analyze_capstone(self):
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self.analysis_output.clear()
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raw = self.analysis_input.toPlainText().strip()
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if not raw:
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self.analysis_output.setText("[!] Nenhum shellcode fornecido.")
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return
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try:
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# Tratamento igual ao parser global
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import re
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cleaned = raw.replace('"', '').replace("'", "").replace(';', '')
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cleaned = re.sub(r"[\n\r\t,]", "", cleaned)
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if "\\x" in cleaned:
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hex_str = cleaned.replace("\\x", "")
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else:
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hex_str = re.sub(r"[^0-9a-fA-F]", "", cleaned)
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if not re.fullmatch(r"[0-9a-fA-F]+", hex_str):
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self.analysis_output.setText("[!] Shellcode contém caracteres inválidos.")
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return
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if len(hex_str) % 2 != 0:
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hex_str = "0" + hex_str
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data = bytes.fromhex(hex_str)
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arch, mode = self.detect_arch_and_mode(data)
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md = Cs(arch, mode)
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md.detail = True
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result = []
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suspicious = []
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for i in md.disasm(data, 0x1000):
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line = f"0x{i.address:08x}: {i.bytes.hex():<20} {i.mnemonic:<7} {i.op_str}"
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result.append(line)
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if i.mnemonic in ["syscall", "int", "call"] or "exec" in i.op_str.lower():
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suspicious.append(line)
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self.analysis_output.append(f"[+] Arquitetura detectada: {arch} | Modo: {mode}")
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self.analysis_output.append(f"[+] Total de instruções: {len(result)}\n")
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if suspicious:
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self.analysis_output.append("[!] Instruções suspeitas:")
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self.analysis_output.append("\n".join(suspicious))
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self.analysis_output.append("")
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self.analysis_output.append("[+] Disassembly completo:")
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self.analysis_output.append("\n".join(result))
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except Exception as e:
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self.analysis_output.setText(f"[!] Erro: {str(e)}")
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def export_analysis_result(self):
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try:
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content = self.analysis_output.toPlainText()
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if not content:
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QMessageBox.warning(self, "Aviso", "Nenhum resultado para exportar.")
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return
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path, _ = QFileDialog.getSaveFileName(self, "Salvar Resultado", "analysis.txt", "Text Files (*.txt)")
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if path:
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with open(path, "w") as f:
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f.write(content)
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QMessageBox.information(self, "Salvo", f"Análise salva em: {path}")
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except Exception as e:
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QMessageBox.critical(self, "Erro", str(e))
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def load_shellcode_bin(self):
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try:
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file, _ = QFileDialog.getOpenFileName(self, "Abrir Arquivo Binário", "", "Arquivos Binários (*.bin *.exe *.elf)")
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if not file:
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self.exec_output.append("[!] Nenhum arquivo selecionado.")
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return
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with open(file, "rb") as f:
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data = f.read()
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hexcode = ''.join(f'\\x{b:02x}' for b in data)
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self.shellcode_input.setPlainText(hexcode)
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self.exec_output.append(f"[+] Arquivo carregado: {file} ({len(data)} bytes)")
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except Exception as e:
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self.exec_output.append(f"[!] Erro ao carregar arquivo: {str(e)}")
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# def create_pdf_tab(self):
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# tab = QWidget()
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# layout = QVBoxLayout()
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#
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# self.pdf_output = QTextEdit()
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# self.pdf_output.setReadOnly(True)
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# export_btn = QPushButton("Exportar Shellcode e Análises para PDF")
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# export_btn.clicked.connect(self.export_to_pdf)
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#
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# layout.addWidget(QLabel("Exportação de Relatório em PDF"))
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# layout.addWidget(export_btn)
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# layout.addWidget(self.pdf_output)
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# tab.setLayout(layout)
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# return tab ###
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#
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#def export_to_pdf(self):
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# try:
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# shellcode = self.shellcode_input.toPlainText().strip()
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# pdf = FPDF()
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# pdf.add_page()
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# pdf.set_font("Arial", size=12)
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# pdf.cell(200, 10, txt="Shellcode Tester Pro - Relatório", ln=True, align="C")
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# pdf.ln(10)
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#
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# pdf.multi_cell(0, 10, txt=f"Shellcode:")
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# pdf.set_font("Courier", size=10)
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# pdf.multi_cell(0, 10, txt=shellcode)
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#
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# pdf.ln(5)
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# pdf.set_font("Arial", size=12)
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# pdf.multi_cell(0, 10, txt="--- Análise Heurística ---")
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# pdf.set_font("Courier", size=10)
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# pdf.multi_cell(0, 10, txt=self.sandbox_output.toPlainText())
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#
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# pdf.ln(5)
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# pdf.set_font("Arial", size=12)
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# pdf.multi_cell(0, 10, txt="--- Desofuscação ---")
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# pdf.set_font("Courier", size=10)
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# pdf.multi_cell(0, 10, txt=self.deob_output.toPlainText())
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#
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# pdf.ln(5)
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# pdf.set_font("Arial", size=12)
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# pdf.multi_cell(0, 10, txt="--- Memória Hex ---")
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# pdf.set_font("Courier", size=10)
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# pdf.multi_cell(0, 10, txt=self.mem_output.toPlainText())
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# file_path, _ = QFileDialog.getSaveFileName(self, "Salvar PDF", "shellcode_report.pdf", "PDF Files (*.pdf)")
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# if file_path:
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# pdf.output(file_path)
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# self.pdf_output.setText(f"[+] Relatório PDF salvo com sucesso: {file_path}")
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# else:
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# self.pdf_output.setText("[!] Caminho de arquivo não escolhido.")
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#
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# except Exception as e:
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# self.pdf_output.setText(f"[!] Erro ao gerar PDF: {str(e)}")
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def create_step_tab(self):
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tab = QWidget()
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layout = QVBoxLayout()
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self.step_output = QTextEdit()
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self.step_output.setReadOnly(True)
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step_btn = QPushButton("Executar Instrução por Instrução")
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step_btn.clicked.connect(self.step_by_step_unicorn)
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layout.addWidget(QLabel("Execução com Unicorn (Step-by-Step):"))
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layout.addWidget(step_btn)
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layout.addWidget(self.step_output)
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tab.setLayout(layout)
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return tab
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def create_execution_tab(self):
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tab = QWidget()
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layout = QVBoxLayout()
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self.shellcode_input = QTextEdit()
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self.shellcode_input.setPlaceholderText("Cole seu shellcode em hexadecimal ou \\x.. aqui")
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self.shellcode_input.setStyleSheet("color: white; background-color: #1e1e1e;")
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layout.addWidget(QLabel("Shellcode:"))
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layout.addWidget(self.shellcode_input)
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# Botões de ação
|
|
button_layout = QHBoxLayout()
|
|
|
|
run_btn = QPushButton("Executar (Simulado)")
|
|
run_btn.clicked.connect(self.simulate_execution)
|
|
button_layout.addWidget(run_btn)
|
|
|
|
load_btn = QPushButton("Carregar Arquivo .bin")
|
|
load_btn.clicked.connect(self.load_shellcode_bin)
|
|
button_layout.addWidget(load_btn)
|
|
|
|
layout.addLayout(button_layout)
|
|
|
|
self.exec_output = QTextEdit()
|
|
self.exec_output.setReadOnly(True)
|
|
layout.addWidget(QLabel("Log de Execução:"))
|
|
layout.addWidget(self.exec_output)
|
|
|
|
tab.setLayout(layout)
|
|
return tab
|
|
|
|
|
|
def create_remote_tab(self):
|
|
tab = QWidget()
|
|
layout = QVBoxLayout()
|
|
|
|
self.url_input = QLineEdit()
|
|
self.url_input.setPlaceholderText("https://example.com/shellcode.txt ou .bin")
|
|
|
|
self.import_mode = QComboBox()
|
|
self.import_mode.addItems(["\\x formatado", "Hex puro", "Binário RAW"])
|
|
|
|
fetch_btn = QPushButton("Carregar Shellcode da URL")
|
|
fetch_btn.clicked.connect(self.fetch_remote_shellcode)
|
|
|
|
self.remote_output = QTextEdit()
|
|
self.remote_output.setReadOnly(True)
|
|
|
|
layout.addWidget(QLabel("URL do Shellcode:"))
|
|
layout.addWidget(self.url_input)
|
|
layout.addWidget(QLabel("Modo de Importação:"))
|
|
layout.addWidget(self.import_mode)
|
|
layout.addWidget(fetch_btn)
|
|
layout.addWidget(QLabel("Log de Shellcode Remoto:"))
|
|
layout.addWidget(self.remote_output)
|
|
|
|
tab.setLayout(layout)
|
|
return tab
|
|
|
|
def fetch_remote_shellcode(self):
|
|
import hashlib, os
|
|
|
|
self.remote_output.clear()
|
|
url = self.url_input.text().strip()
|
|
if not url:
|
|
self.remote_output.setText("[!] URL não fornecida.")
|
|
return
|
|
|
|
try:
|
|
response = requests.get(url, timeout=10)
|
|
response.raise_for_status()
|
|
content = response.content
|
|
|
|
sha256 = hashlib.sha256(content).hexdigest()
|
|
self.remote_output.append(f"[+] SHA256: {sha256}")
|
|
self.remote_output.append(f"[+] MIME: {response.headers.get('Content-Type', 'desconhecido')}")
|
|
self.remote_output.append(f"[+] Tamanho: {len(content)} bytes\n")
|
|
|
|
mode = self.import_mode.currentText()
|
|
|
|
if mode == "\\x formatado":
|
|
if all(32 <= b <= 126 or b in (9, 10, 13) for b in content):
|
|
content_str = content.decode(errors="ignore").strip()
|
|
if "\\x" in content_str:
|
|
self.shellcode_input.setPlainText(content_str)
|
|
else:
|
|
hexed = content_str.replace(" ", "").replace("\n", "")
|
|
formatted = ''.join(f"\\x{hexed[i:i+2]}" for i in range(0, len(hexed), 2))
|
|
self.shellcode_input.setPlainText(formatted)
|
|
else:
|
|
formatted = ''.join(f"\\x{b:02x}" for b in content)
|
|
self.shellcode_input.setPlainText(formatted)
|
|
|
|
elif mode == "Hex puro":
|
|
hexed = ''.join(f"{b:02x}" for b in content)
|
|
self.shellcode_input.setPlainText(hexed)
|
|
|
|
elif mode == "Binário RAW":
|
|
path = os.path.join("downloads", os.path.basename(url) or "shellcode_raw.bin")
|
|
os.makedirs("downloads", exist_ok=True)
|
|
with open(path, "wb") as f:
|
|
f.write(content)
|
|
self.shellcode_input.setPlainText("") # não exibe no campo
|
|
self.remote_output.append(f"[✓] Shellcode salvo como: {path}")
|
|
|
|
self.remote_output.append("[✓] Shellcode carregado com sucesso!")
|
|
|
|
except Exception as e:
|
|
self.remote_output.setText(f"[!] Erro ao buscar shellcode: {str(e)}")
|
|
|
|
def step_by_step_unicorn(self):
|
|
self.step_output.clear()
|
|
try:
|
|
code = self.shellcode_input.toPlainText().strip().replace("\\x", "").replace(" ", "")
|
|
shellcode = bytes.fromhex(code)
|
|
ADDRESS = 0x1000000
|
|
STACK_ADDR = 0x200000
|
|
STACK_SIZE = 2 * 1024 * 1024
|
|
|
|
mu = Uc(UC_ARCH_X86, UC_MODE_64)
|
|
mu.mem_map(ADDRESS, 2 * 1024 * 1024)
|
|
mu.mem_write(ADDRESS, shellcode)
|
|
mu.mem_map(STACK_ADDR, STACK_SIZE)
|
|
mu.reg_write(UC_X86_REG_RSP, STACK_ADDR + STACK_SIZE // 2)
|
|
|
|
self.step_output.append("[*] Iniciando execução passo a passo...")
|
|
|
|
rip = ADDRESS
|
|
end = ADDRESS + len(shellcode)
|
|
|
|
while rip < end:
|
|
mu.emu_start(rip, rip + 1, timeout=0, count=1)
|
|
rax = mu.reg_read(UC_X86_REG_RAX)
|
|
rsp = mu.reg_read(UC_X86_REG_RSP)
|
|
rip = mu.reg_read(UC_X86_REG_RIP)
|
|
|
|
self.step_output.append(f"[STEP] RIP: 0x{rip:x}, RAX: 0x{rax:x}, RSP: 0x{rsp:x}")
|
|
|
|
except UcError as e:
|
|
self.step_output.append(f"[!] Unicorn Exception: {e}")
|
|
except Exception as e:
|
|
self.step_output.append(f"[!] Erro na execução passo a passo: {str(e)}")
|
|
|
|
|
|
def analyze_shellcode_fingerprint(self):
|
|
self.info_output.clear()
|
|
data, error = self.get_shellcode_bytes()
|
|
if error:
|
|
self.info_output.setText(error)
|
|
return
|
|
self.info_output.clear()
|
|
try:
|
|
code = self.shellcode_input.toPlainText().strip().replace("\\x", "").replace(" ", "")
|
|
data = bytes.fromhex(code)
|
|
|
|
arch = "Desconhecida"
|
|
os_target = "Desconhecido"
|
|
indicators = []
|
|
fingerprint = "Desconhecido"
|
|
|
|
self.info_output.append(f"[*] Tamanho do shellcode: {len(data)} bytes\n")
|
|
|
|
# Sistema operacional e arquitetura
|
|
if b"/bin/sh" in data:
|
|
os_target = "Linux"
|
|
indicators.append("[*] String '/bin/sh' detectada (Linux)")
|
|
if b"cmd.exe" in data or b"powershell" in data:
|
|
os_target = "Windows"
|
|
indicators.append("[*] String 'cmd.exe' ou 'powershell' detectada (Windows)")
|
|
|
|
# Arquitetura por instruções
|
|
if b"\x0f\x05" in data:
|
|
indicators.append("[*] Instrução 'syscall' detectada (Linux x64)")
|
|
if b"\xcd\x80" in data:
|
|
indicators.append("[*] Instrução 'int 0x80' detectada (Linux x86)")
|
|
if b"\x0f\x34" in data:
|
|
indicators.append("[*] Instrução 'sysenter' detectada (Windows x86)")
|
|
if b"\x48" in data or b"\x49" in data:
|
|
arch = "x86_64"
|
|
indicators.append("[*] Uso de prefixo REX (64 bits)")
|
|
elif b"\x66" in data or b"\xb8" in data:
|
|
arch = "x86"
|
|
indicators.append("[*] Instruções típicas de 32 bits")
|
|
|
|
# WinAPI
|
|
for api in [b"VirtualAlloc", b"LoadLibrary", b"GetProcAddress", b"WinExec"]:
|
|
if api in data:
|
|
indicators.append(f"[+] API do Windows detectada: {api.decode()}")
|
|
|
|
# Verificação de NOP sled
|
|
nop_count = data.count(b"\x90")
|
|
if nop_count > 8:
|
|
indicators.append(f"[+] NOP sled detectado ({nop_count} bytes de 0x90)")
|
|
|
|
# Fingerprints
|
|
if b"EXITFUNC" in data or b"Metasploit" in data:
|
|
fingerprint = "msfvenom"
|
|
indicators.append("[+] Assinatura textual do Metasploit encontrada")
|
|
elif nop_count > 10:
|
|
fingerprint = "Possivelmente msfvenom"
|
|
indicators.append("[+] NOP sled longa (padrão msfvenom)")
|
|
|
|
if b"Donut" in data or b".text" in data or b"mscoree.dll" in data:
|
|
fingerprint = "Donut"
|
|
indicators.append("[+] Assinaturas de payload Donut detectadas")
|
|
|
|
if b"powershell -nop" in data or b"DownloadString" in data:
|
|
fingerprint = "Empire / Powershell"
|
|
indicators.append("[+] Assinatura Empire/powershell detectada")
|
|
|
|
if b"beacon" in data or b"ReflectiveLoader" in data:
|
|
fingerprint = "Cobalt Strike"
|
|
indicators.append("[+] Possível shellcode Cobalt Strike")
|
|
|
|
if b"sliver" in data or b"rpc" in data:
|
|
fingerprint = "Sliver"
|
|
indicators.append("[+] Possível shellcode do Sliver C2")
|
|
|
|
if b"Meterpreter" in data or b"reverse_tcp" in data:
|
|
fingerprint = "Meterpreter"
|
|
indicators.append("[+] Indícios de shellcode Meterpreter")
|
|
|
|
if b"Shellter" in data:
|
|
fingerprint = "Shellter"
|
|
indicators.append("[+] Shellcode possivelmente gerado com Shellter")
|
|
|
|
if fingerprint == "Desconhecido" and len(data) < 100:
|
|
fingerprint = "Possivelmente shellcode custom ou stage 1"
|
|
|
|
# Resultado
|
|
self.info_output.append(f"Arquitetura provável: {arch}")
|
|
self.info_output.append(f"Sistema Operacional: {os_target}")
|
|
self.info_output.append(f"Gerador Possível: {fingerprint}")
|
|
self.info_output.append("\nHeurísticas encontradas:")
|
|
self.info_output.append("\n".join(indicators) or "[*] Nenhuma heurística forte detectada.")
|
|
|
|
except Exception as e:
|
|
self.info_output.setText(f"[!] Erro na análise: {str(e)}")
|
|
|
|
def create_evasion_tab(self):
|
|
from PyQt5.QtWidgets import QWidget, QVBoxLayout, QTextEdit, QPushButton, QLabel
|
|
|
|
tab = QWidget()
|
|
layout = QVBoxLayout()
|
|
|
|
self.evasion_output = QTextEdit()
|
|
self.evasion_output.setReadOnly(True)
|
|
|
|
btn = QPushButton("Executar Análise de Evasão")
|
|
btn.clicked.connect(self.run_evasion_analysis)
|
|
|
|
layout.addWidget(QLabel("Análise de Técnicas de Evasão:"))
|
|
layout.addWidget(btn)
|
|
layout.addWidget(self.evasion_output)
|
|
|
|
tab.setLayout(layout)
|
|
return tab
|
|
|
|
def run_evasion_analysis(self):
|
|
self.evasion_output.clear()
|
|
try:
|
|
code = self.shellcode_input.toPlainText().strip().replace("\\x", "").replace(" ", "")
|
|
data = bytes.fromhex(code)
|
|
|
|
findings = self.check_evasion_techniques(data)
|
|
if findings:
|
|
self.evasion_output.append("\n".join(findings))
|
|
else:
|
|
self.evasion_output.append("[*] Nenhuma técnica de evasão identificada.")
|
|
except Exception as e:
|
|
self.evasion_output.setText(f"[!] Erro: {str(e)}")
|
|
|
|
|
|
def check_evasion_techniques(self, data: bytes):
|
|
findings = []
|
|
|
|
# 1. Anti-sandbox strings
|
|
sandbox_indicators = [b"vbox", b"vmware", b"qemu", b"sandbox", b"VBoxService", b"virtualbox"]
|
|
for s in sandbox_indicators:
|
|
if s in data:
|
|
findings.append(f"[!] Indicador de sandbox detectado: {s.decode(errors='ignore')}")
|
|
|
|
# 2. Anti-debugging e temporização
|
|
apis = [b"IsDebuggerPresent", b"CheckRemoteDebuggerPresent", b"NtQueryInformationProcess",
|
|
b"GetTickCount", b"QueryPerformanceCounter", b"Sleep", b"rdtsc", b"cpuid"]
|
|
for api in apis:
|
|
if api in data:
|
|
findings.append(f"[!] Uso de API de evasão/debug/sandbox: {api.decode(errors='ignore')}")
|
|
|
|
# 3. Tentativas de matar segurança
|
|
targets = [b"avp.exe", b"defender", b"MsMpEng.exe", b"taskkill", b"firewall", b"securityhealthservice"]
|
|
for t in targets:
|
|
if t in data:
|
|
findings.append(f"[!] Tentativa de desativar segurança: {t.decode(errors='ignore')}")
|
|
|
|
return findings
|
|
|
|
|
|
|
|
def run_unicorn(self):
|
|
self.unicorn_output.clear()
|
|
try:
|
|
code = self.shellcode_input.toPlainText().strip().replace("\\x", "").replace(" ", "")
|
|
shellcode = bytes.fromhex(code)
|
|
|
|
ADDRESS = 0x1000000 # Onde o shellcode será carregado
|
|
CODE_SIZE = 2 * 1024 * 1024 # 2MB para o shellcode
|
|
STACK_ADDR = 0x200000 # Endereço da stack
|
|
STACK_SIZE = 2 * 1024 * 1024 # 2MB
|
|
|
|
mu = Uc(UC_ARCH_X86, UC_MODE_64)
|
|
|
|
# Mapear memória para shellcode
|
|
mu.mem_map(ADDRESS, CODE_SIZE)
|
|
mu.mem_write(ADDRESS, shellcode)
|
|
|
|
# Mapear memória para stack
|
|
mu.mem_map(STACK_ADDR, STACK_SIZE)
|
|
mu.reg_write(UC_X86_REG_RSP, STACK_ADDR + STACK_SIZE // 2)
|
|
|
|
# Opcional: hook para debug de memória
|
|
def hook_mem_invalid(uc, access, address, size, value, user_data):
|
|
if access == UC_MEM_WRITE_UNMAPPED:
|
|
self.unicorn_output.append(f"[!] WRITE inválido em 0x{address:x}")
|
|
elif access == UC_MEM_READ_UNMAPPED:
|
|
self.unicorn_output.append(f"[!] READ inválido em 0x{address:x}")
|
|
elif access == UC_MEM_FETCH_UNMAPPED:
|
|
self.unicorn_output.append(f"[!] FETCH inválido em 0x{address:x}")
|
|
return False # não tentar continuar
|
|
|
|
mu.hook_add(UC_HOOK_MEM_INVALID, hook_mem_invalid)
|
|
|
|
self.unicorn_output.append("[*] Iniciando emulação com Unicorn...")
|
|
mu.emu_start(ADDRESS, ADDRESS + len(shellcode))
|
|
self.unicorn_output.append("[+] Shellcode emulado com sucesso!")
|
|
|
|
rax = mu.reg_read(UC_X86_REG_RAX)
|
|
rip = mu.reg_read(UC_X86_REG_RIP)
|
|
self.unicorn_output.append(f"[*] RAX: 0x{rax:x} | RIP: 0x{rip:x}")
|
|
|
|
except UcError as ue:
|
|
self.unicorn_output.append(f"[!] Unicorn Exception: {ue}")
|
|
except Exception as e:
|
|
self.unicorn_output.append(f"[!] Erro na emulação: {str(e)}")
|
|
|
|
def create_info_tab(self):
|
|
tab = QWidget()
|
|
layout = QVBoxLayout()
|
|
|
|
self.info_output = QTextEdit()
|
|
self.info_output.setReadOnly(True)
|
|
|
|
analyze_btn = QPushButton("Analisar Fingerprint")
|
|
analyze_btn.clicked.connect(self.analyze_shellcode_fingerprint)
|
|
|
|
layout.addWidget(analyze_btn)
|
|
layout.addWidget(QLabel("Resultado da Análise Heurística de Fingerprinting:"))
|
|
layout.addWidget(self.info_output)
|
|
tab.setLayout(layout)
|
|
return tab
|
|
|
|
|
|
def create_unicorn_tab(self):
|
|
tab = QWidget()
|
|
layout = QVBoxLayout()
|
|
|
|
self.unicorn_output = QTextEdit()
|
|
self.unicorn_output.setReadOnly(True)
|
|
|
|
run_btn = QPushButton("Emular com Unicorn")
|
|
run_btn.clicked.connect(self.run_unicorn)
|
|
|
|
layout.addWidget(QLabel("Resultado da Emulação:"))
|
|
layout.addWidget(run_btn)
|
|
layout.addWidget(self.unicorn_output)
|
|
tab.setLayout(layout)
|
|
return tab
|
|
|
|
def create_sandbox_tab(self):
|
|
tab = QWidget()
|
|
layout = QVBoxLayout()
|
|
|
|
self.sandbox_output = QTextEdit()
|
|
self.sandbox_output.setReadOnly(True)
|
|
analyze_btn = QPushButton("Analisar Comportamento")
|
|
analyze_btn.clicked.connect(self.heuristic_analysis)
|
|
|
|
layout.addWidget(QLabel("Sandbox / Detecção de comportamento:"))
|
|
layout.addWidget(analyze_btn)
|
|
layout.addWidget(self.sandbox_output)
|
|
tab.setLayout(layout)
|
|
return tab
|
|
|
|
def create_deobfuscation_tab(self):
|
|
tab = QWidget()
|
|
layout = QVBoxLayout()
|
|
|
|
self.deob_output = QTextEdit()
|
|
self.deob_output.setReadOnly(True)
|
|
|
|
deob_btn = QPushButton("Analisar e Desofuscar")
|
|
deob_btn.clicked.connect(self.analyze_and_deobfuscate)
|
|
|
|
layout.addWidget(QLabel("Desofuscação / Normalização:"))
|
|
layout.addWidget(deob_btn)
|
|
layout.addWidget(self.deob_output)
|
|
tab.setLayout(layout)
|
|
return tab
|
|
|
|
def create_memory_tab(self):
|
|
tab = QWidget()
|
|
layout = QVBoxLayout()
|
|
|
|
self.mem_output = QTextEdit()
|
|
self.mem_output.setReadOnly(True)
|
|
dump_btn = QPushButton("Visualizar Shellcode Formatado")
|
|
dump_btn.clicked.connect(self.dump_memory_style)
|
|
|
|
layout.addWidget(QLabel("Visualizador de Memória (Hex + ASCII):"))
|
|
layout.addWidget(dump_btn)
|
|
layout.addWidget(self.mem_output)
|
|
tab.setLayout(layout)
|
|
return tab
|
|
|
|
def get_shellcode_bytes(self):
|
|
raw_input = self.shellcode_input.toPlainText().strip()
|
|
|
|
if not raw_input:
|
|
return b'', "[!] Nenhum shellcode fornecido."
|
|
|
|
try:
|
|
# Remove aspas, ponto e vírgula
|
|
cleaned = raw_input.replace('"', '').replace("'", "").replace(';', '')
|
|
|
|
# Remove vírgulas, quebras de linha, tabs, etc
|
|
cleaned = re.sub(r"[\n\r\t,]", "", cleaned)
|
|
|
|
# Trata entrada com \x
|
|
if "\\x" in cleaned:
|
|
hex_str = cleaned.replace("\\x", "")
|
|
else:
|
|
hex_str = re.sub(r"[^0-9a-fA-F]", "", cleaned)
|
|
|
|
if not re.fullmatch(r"[0-9a-fA-F]+", hex_str):
|
|
return b'', "[!] Shellcode contém caracteres inválidos."
|
|
|
|
if len(hex_str) % 2 != 0:
|
|
hex_str = "0" + hex_str
|
|
|
|
return bytes.fromhex(hex_str), ""
|
|
|
|
except Exception as e:
|
|
return b'', f"[!] Erro ao processar shellcode: {str(e)}"
|
|
|
|
def simulate_execution(self):
|
|
self.exec_output.clear()
|
|
|
|
shellcode_bytes, error = self.get_shellcode_bytes()
|
|
if error:
|
|
self.exec_output.append(error)
|
|
return
|
|
|
|
try:
|
|
self.exec_output.append(f"[+] Shellcode formatado com sucesso ({len(shellcode_bytes)} bytes).")
|
|
|
|
with tempfile.NamedTemporaryFile(delete=False, suffix=".bin") as tmp:
|
|
tmp.write(shellcode_bytes)
|
|
tmp_path = tmp.name
|
|
|
|
self.exec_output.append(f"[+] Shellcode salvo em: {tmp_path}")
|
|
|
|
base_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
|
|
runner_path = os.path.join(base_dir, "backend", "runner_portuguese.py")
|
|
|
|
if not os.path.isfile(runner_path):
|
|
self.exec_output.append(f"[!] runner_portuguese.py não encontrado em: {runner_path}")
|
|
return
|
|
|
|
self.exec_output.append("[*] Executando runner_portuguese.py em terminal externo...")
|
|
|
|
if os.system("which gnome-terminal") == 0:
|
|
term_cmd = ["gnome-terminal", "--", "python3", runner_path, tmp_path]
|
|
elif os.system("which xterm") == 0:
|
|
term_cmd = ["xterm", "-e", f"python3 {runner_path} {tmp_path}; bash"]
|
|
elif os.system("which konsole") == 0:
|
|
term_cmd = ["konsole", "-e", f"python3 {runner_path} {tmp_path}; bash"]
|
|
else:
|
|
self.exec_output.append("[!] Nenhum terminal compatível encontrado.")
|
|
return
|
|
|
|
subprocess.Popen(term_cmd)
|
|
self.exec_output.append("[+] Shellcode sendo executado em outro terminal.")
|
|
|
|
except Exception as e:
|
|
self.exec_output.append(f"[!] Erro: {str(e)}")
|
|
|
|
|
|
|
|
|
|
def run_unicorn(self):
|
|
self.unicorn_output.clear()
|
|
data, error = self.get_shellcode_bytes()
|
|
if error:
|
|
self.unicorn_output.setText(error)
|
|
return
|
|
self.unicorn_output.clear()
|
|
try:
|
|
code = self.shellcode_input.toPlainText().strip().replace("\\x", "").replace(" ", "")
|
|
shellcode = bytes.fromhex(code)
|
|
ADDRESS = 0x1000000 # endereço base do shellcode
|
|
STACK_ADDR = 0x200000 # endereço da stack
|
|
STACK_SIZE = 2 * 1024 * 1024 # 2MB
|
|
|
|
mu = Uc(UC_ARCH_X86, UC_MODE_64)
|
|
|
|
# Mapeia memória para shellcode e stack
|
|
mu.mem_map(ADDRESS, 2 * 1024 * 1024)
|
|
mu.mem_write(ADDRESS, shellcode)
|
|
mu.mem_map(STACK_ADDR, STACK_SIZE)
|
|
|
|
# Define registrador de stack
|
|
mu.reg_write(UC_X86_REG_RSP, STACK_ADDR + STACK_SIZE // 2)
|
|
|
|
self.unicorn_output.append("[*] Iniciando emulação com Unicorn...")
|
|
mu.emu_start(ADDRESS, ADDRESS + len(shellcode))
|
|
self.unicorn_output.append("[+] Shellcode emulado com sucesso!")
|
|
|
|
rax = mu.reg_read(UC_X86_REG_RAX)
|
|
rip = mu.reg_read(UC_X86_REG_RIP)
|
|
self.unicorn_output.append(f"[*] RAX: 0x{rax:x} | RIP: 0x{rip:x}")
|
|
|
|
except Exception as e:
|
|
self.unicorn_output.append(f"[!] Erro na emulação: {str(e)}")
|
|
|
|
|
|
def heuristic_analysis(self):
|
|
self.sandbox_output.clear()
|
|
data, error = self.get_shellcode_bytes()
|
|
if error:
|
|
self.sandbox_output.setText(error)
|
|
return
|
|
self.sandbox_output.clear()
|
|
try:
|
|
code = self.shellcode_input.toPlainText().strip().replace("\\x", "").replace(" ", "")
|
|
shellcode = bytes.fromhex(code)
|
|
alerts = []
|
|
|
|
if b"/bin/sh" in shellcode:
|
|
alerts.append("[⚠️] Detecção: /bin/sh encontrado (possível shell reversa Linux)")
|
|
if b"cmd.exe" in shellcode:
|
|
alerts.append("[⚠️] Detecção: cmd.exe encontrado (possível shell reversa Windows)")
|
|
if b"socket" in shellcode or b"connect" in shellcode:
|
|
alerts.append("[⚠️] Detecção: uso de socket/connect")
|
|
if b"WinExec" in shellcode or b"ShellExecute" in shellcode:
|
|
alerts.append("[⚠️] Detecção: API Windows encontrada (execução remota)")
|
|
if not alerts:
|
|
self.sandbox_output.append("[*] Nenhum comportamento suspeito identificado.")
|
|
else:
|
|
self.sandbox_output.append("[*] Heurísticas ativadas:\n")
|
|
for alert in alerts:
|
|
self.sandbox_output.append(alert)
|
|
except Exception as e:
|
|
self.sandbox_output.append(f"[!] Erro na análise heurística: {str(e)}")
|
|
|
|
def analyze_and_deobfuscate(self):
|
|
self.deob_output.clear()
|
|
data, error = self.get_shellcode_bytes()
|
|
if error:
|
|
self.deob_output.setText(error)
|
|
return
|
|
self.deob_output.clear()
|
|
try:
|
|
code = self.shellcode_input.toPlainText().strip().replace("\\x", "").replace(" ", "")
|
|
data = bytearray.fromhex(code)
|
|
|
|
def calc_entropy(blob):
|
|
from math import log2
|
|
if not blob:
|
|
return 0
|
|
freq = {b: blob.count(b) for b in set(blob)}
|
|
total = len(blob)
|
|
entropy = -sum((f / total) * log2(f / total) for f in freq.values())
|
|
return entropy
|
|
|
|
# 1. Detectar possível XOR
|
|
xor_detected = False
|
|
for key in range(1, 256):
|
|
decoded = bytearray([b ^ key for b in data])
|
|
if all(32 <= c <= 126 or c == 0 for c in decoded[:40]): # ascii legível
|
|
self.deob_output.append(f"[+] Possível XOR detectado com chave: 0x{key:02x}")
|
|
self.deob_output.append(f"[*] Shellcode normalizado:\n{decoded.hex()}")
|
|
xor_detected = True
|
|
break
|
|
|
|
# 2. Detectar NOP sled
|
|
if not xor_detected:
|
|
nop_free = [b for b in data if b != 0x90]
|
|
if len(nop_free) < len(data):
|
|
self.deob_output.append("[+] NOP sled detectado e removido.")
|
|
self.deob_output.append(f"[*] Shellcode limpo:\n{bytes(nop_free).hex()}")
|
|
|
|
# 3. Detectar AES por blocos repetidos (16 bytes)
|
|
blocks = [data[i:i+16] for i in range(0, len(data)-15, 16)]
|
|
block_set = set(bytes(b) for b in blocks)
|
|
if len(block_set) < len(blocks) * 0.8 and len(blocks) >= 3:
|
|
self.deob_output.append("[!] Padrão semelhante ao AES detectado (blocos de 16 bytes repetidos)")
|
|
|
|
# 4. Detectar RC4 ou criptografia com alta entropia
|
|
entropy = calc_entropy(data)
|
|
self.deob_output.append(f"[*] Entropia: {entropy:.2f}")
|
|
if entropy > 7.5:
|
|
self.deob_output.append("[!] Alta entropia detectada — possível uso de RC4, AES ou outro algoritmo.")
|
|
|
|
if not xor_detected and entropy < 5:
|
|
self.deob_output.append("[*] Shellcode parece não estar criptografado.")
|
|
elif not xor_detected:
|
|
self.deob_output.append("[*] Não foi possível desofuscar automaticamente, mas há indícios de criptografia.")
|
|
|
|
except Exception as e:
|
|
self.deob_output.append(f"[!] Erro na análise de ofuscação: {str(e)}")
|
|
|
|
def dump_memory_style(self):
|
|
self.mem_output.clear()
|
|
try:
|
|
code = self.shellcode_input.toPlainText().strip().replace("\\x", "").replace(" ", "")
|
|
data = bytes.fromhex(code)
|
|
result = ""
|
|
for i in range(0, len(data), 16):
|
|
chunk = data[i:i+16]
|
|
hex_part = " ".join(f"{b:02x}" for b in chunk)
|
|
ascii_part = ''.join(chr(b) if 32 <= b < 127 else '.' for b in chunk)
|
|
result += f"{i:08x} {hex_part:<48} {ascii_part}\n"
|
|
self.mem_output.setPlainText(result)
|
|
except Exception as e:
|
|
self.mem_output.setPlainText(f"[!] Erro ao gerar dump de memória: {str(e)}")
|
|
|
|
def show_credits(self):
|
|
QMessageBox.information(self, "Sobre o Shellcode Tester Pro",
|
|
"🔐 Shellcode Tester Pro\n\n"
|
|
"👨💻 Criado por: Joas Antonio dos Santos\n"
|
|
"🌐 GitHub: https://github.com/CyberSecurityUP/Shellcode-Tester-Pro\n"
|
|
"📖 Documentação: https://github.com/CyberSecurityUP/Shellcode-Tester-Pro/docs/\n"
|
|
"🐦 Twitter: @C0d3Cr4zy\n"
|
|
"🔗 LinkedIn: https://www.linkedin.com/in/joas-antonio-dos-santos/\n\n"
|
|
"🧠 Projeto open-source para análise segura de shellcodes\n"
|
|
"💥 Cuidado: execução de código real pode ser perigosa.\n\n"
|
|
"© 2025 - Todos os direitos reservados."
|
|
)
|
|
if __name__ == '__main__':
|
|
app = QApplication(sys.argv)
|
|
from splash_screen import SplashScreen
|
|
splash = SplashScreen()
|
|
splash.show()
|
|
sys.exit(app.exec_())
|