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Upload main (2).py
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main (2).py
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| 1 |
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#!/usr/bin/env python3
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"""
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SecureX Light - Version simplifiée du système de détection de fraude
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"""
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import tkinter as tk
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from tkinter import scrolledtext, messagebox
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import re
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import sqlite3
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import json
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from datetime import datetime
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class FraudDetector:
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def __init__(self):
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self.patterns = [
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{
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"name": "fake_advisor",
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"keywords": ["conseiller", "banque", "urgent", "code"],
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"weight": 0.9
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},
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{
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"name": "fake_refund",
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"keywords": ["remboursement", "argent", "code"],
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"weight": 0.85
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},
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{
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"name": "credential_theft",
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"keywords": ["mot de passe", "identifiant", "code secret"],
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"weight": 0.95
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}
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]
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self.init_database()
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def init_database(self):
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"""Crée une base de données SQLite simple"""
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self.conn = sqlite3.connect(":memory:")
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self.cursor = self.conn.cursor()
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self.cursor.execute("""
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CREATE TABLE IF NOT EXISTS calls (
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id INTEGER PRIMARY KEY,
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transcript TEXT,
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score REAL,
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timestamp DATETIME
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)
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""")
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self.conn.commit()
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def analyze_text(self, text):
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"""Analyse le texte avec des motifs simples"""
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if not text:
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return 0.0
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text_lower = text.lower()
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total_score = 0.0
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for pattern in self.patterns:
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matches = sum(1 for word in pattern["keywords"] if word in text_lower)
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if matches > 0:
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total_score += (matches / len(pattern["keywords"])) * pattern["weight"]
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# Détection d'urgence
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urgency_words = ["urgent", "immédiat", "vite", "maintenant"]
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if sum(1 for word in urgency_words if word in text_lower) >= 2:
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total_score += 0.2
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return min(total_score, 1.0)
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def save_call(self, text, score):
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"""Sauvegarde l'appel dans la base"""
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self.cursor.execute("""
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INSERT INTO calls (transcript, score, timestamp)
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VALUES (?, ?, ?)
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""", (text, score, datetime.now()))
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self.conn.commit()
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class Application(tk.Tk):
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def __init__(self):
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super().__init__()
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self.title("SecureX Light - Détection de Fraude")
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self.geometry("700x500")
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self.detector = FraudDetector()
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self.create_widgets()
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def create_widgets(self):
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"""Crée l'interface utilisateur"""
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| 87 |
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# Zone de texte pour l'entrée
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tk.Label(self, text="Transcript d'appel:").pack(pady=5)
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self.text_input = scrolledtext.ScrolledText(self, height=10)
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self.text_input.pack(fill=tk.X, padx=10, pady=5)
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# Boutons
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btn_frame = tk.Frame(self)
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btn_frame.pack(pady=10)
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tk.Button(btn_frame, text="Analyser", command=self.analyze).pack(side=tk.LEFT, padx=5)
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tk.Button(btn_frame, text="Exemple Fraude", command=self.load_fraud_example).pack(side=tk.LEFT, padx=5)
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tk.Button(btn_frame, text="Exemple Normal", command=self.load_normal_example).pack(side=tk.LEFT, padx=5)
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# Résultats
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tk.Label(self, text="Résultats:").pack(pady=5)
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self.result_text = scrolledtext.ScrolledText(self, height=10)
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self.result_text.pack(fill=tk.BOTH, expand=True, padx=10, pady=5)
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def analyze(self):
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"""Lance l'analyse"""
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text = self.text_input.get("1.0", tk.END).strip()
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if not text:
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messagebox.showwarning("Attention", "Veuillez entrer un texte à analyser")
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return
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| 111 |
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score = self.detector.analyze_text(text)
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| 113 |
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self.detector.save_call(text, score)
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| 114 |
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# Affichage des résultats
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self.result_text.delete("1.0", tk.END)
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if score > 0.7:
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result = f"🚨 ALERTE FRAUDE (Score: {score:.0%})\n\n"
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result += "Indicateurs détectés:\n"
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result += "- Langage urgent ou pressant\n"
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result += "- Demande d'informations sensibles\n"
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result += "\nAction recommandée: Terminer l'appel et contacter votre banque"
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elif score > 0.4:
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result = f"⚠️ RISQUE MODÉRÉ (Score: {score:.0%})\n\n"
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result += "Soyez prudent et ne donnez pas d'informations personnelles"
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else:
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result = f"✅ APPEL NORMAL (Score: {score:.0%})\n\n"
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result += "Aucun indicateur de fraude détecté"
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self.result_text.insert(tk.END, result)
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def load_fraud_example(self):
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"""Charge un exemple frauduleux"""
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| 135 |
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example = ("Bonjour, je suis votre conseiller bancaire. Nous avons détecté une activité "
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"suspecte. Pour sécuriser votre compte, veuillez confirmer votre code secret IMMÉDIATEMENT.")
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| 137 |
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self.text_input.delete("1.0", tk.END)
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self.text_input.insert("1.0", example)
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| 139 |
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| 140 |
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def load_normal_example(self):
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| 141 |
+
"""Charge un exemple normal"""
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| 142 |
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example = ("Bonjour, je vous appelle pour vous informer que votre carte bancaire "
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| 143 |
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"arrive à expiration. Souhaitez-vous recevoir la nouvelle par courrier ?")
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| 144 |
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self.text_input.delete("1.0", tk.END)
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| 145 |
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self.text_input.insert("1.0", example)
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| 146 |
+
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| 147 |
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if __name__ == "__main__":
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| 148 |
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app = Application()
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| 149 |
+
app.mainloop()
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