Fake Bank SMS & OTP Scams Explained with Python GUI (Cyber Security Demo)
Demo :
Click Video 👇👇👇
⭐ Features :
-
Hacker-style Python GUI
-
SMS keyword detection
-
Link risk analysis
-
Scam awareness demo
-
Full
main.pycode
Code :
import customtkinter as ctk
import tkinter as tk
from tkinter import messagebox
import time
import threading
# ---------------- CONFIG ----------------
ctk.set_appearance_mode("dark")
ctk.set_default_color_theme("dark-blue")
SCAM_KEYWORDS = [
"urgent", "verify", "blocked", "suspended", "click",
"link", "otp", "immediately", "account", "debit",
"credit", "limit", "warning"
]
FAKE_DOMAINS = [
"bit.ly", "tinyurl", "rb.gy", "paytm-secure",
"upi-secure", "verify-now"
]
# ---------------- APP ----------------
class BankSMSDetector(ctk.CTk):
def __init__(self):
super().__init__()
self.title("Bank SMS Detector - Hacker Simulation")
self.geometry("520x580")
self.resizable(False, False)
self.build_ui()
def build_ui(self):
title = ctk.CTkLabel(
self,
text="⚠️ Fake Bank SMS Detector",
font=("Consolas", 24, "bold"),
text_color="#00ff99"
)
title.pack(pady=15)
subtitle = ctk.CTkLabel(
self,
text="Cyber Security Simulation | Python GUI",
font=("Consolas", 13),
text_color="#aaaaaa"
)
subtitle.pack(pady=5)
self.sms_box = ctk.CTkTextbox(
self,
width=580,
height=180,
font=("Consolas", 13)
)
self.sms_box.pack(pady=15)
self.sms_box.insert(
"0.0",
"Paste Bank / OTP SMS here..."
)
self.scan_btn = ctk.CTkButton(
self,
text="🔍 Scan SMS",
font=("Consolas", 16, "bold"),
command=self.start_scan
)
self.scan_btn.pack(pady=10)
self.status_label = ctk.CTkLabel(
self,
text="Status: Waiting for input...",
font=("Consolas", 14),
text_color="#ffaa00"
)
self.status_label.pack(pady=10)
self.result_box = ctk.CTkTextbox(
self,
width=580,
height=140,
font=("Consolas", 13)
)
self.result_box.pack(pady=10)
# ---------------- SCAN LOGIC ----------------
def start_scan(self):
sms = self.sms_box.get("0.0", "end").lower().strip()
if not sms or "paste" in sms:
messagebox.showwarning("Input Error", "Please paste an SMS to scan.")
return
self.result_box.delete("0.0", "end")
self.status_label.configure(text="Status: Scanning...", text_color="#ffaa00")
threading.Thread(target=self.fake_scan, args=(sms,), daemon=True).start()
def fake_scan(self, sms):
steps = [
"Connecting to cyber engine...",
"Analyzing sender pattern...",
"Checking keywords...",
"Scanning embedded links...",
"Finalizing risk score..."
]
for step in steps:
self.update_status(step)
time.sleep(0.7)
risk_score = 0
reasons = []
for word in SCAM_KEYWORDS:
if word in sms:
risk_score += 1
reasons.append(f"⚠ Suspicious keyword detected: '{word}'")
for domain in FAKE_DOMAINS:
if domain in sms:
risk_score += 2
reasons.append(f"🚨 Dangerous link detected: '{domain}'")
if "otp" in sms and "share" in sms:
risk_score += 2
reasons.append("🚨 OTP sharing attempt detected")
# ---------------- RESULT ----------------
self.result_box.insert("end", "=== Scan Report ===\n\n")
if risk_score >= 4:
self.status_label.configure(
text="Status: HIGH RISK (Possible Scam)",
text_color="#ff4444"
)
self.result_box.insert(
"end",
"❌ RESULT: HIGH RISK SMS\n\n"
)
elif risk_score >= 2:
self.status_label.configure(
text="Status: MEDIUM RISK",
text_color="#ffaa00"
)
self.result_box.insert(
"end",
"⚠ RESULT: SUSPICIOUS SMS\n\n"
)
else:
self.status_label.configure(
text="Status: LOW RISK",
text_color="#00ff99"
)
self.result_box.insert(
"end",
"✅ RESULT: SMS looks safe\n\n"
)
if reasons:
for r in reasons:
self.result_box.insert("end", f"- {r}\n")
else:
self.result_box.insert("end", "- No obvious scam indicators found\n")
self.result_box.insert(
"end",
"\n⚠ Note: This is a cyber security simulation for awareness."
)
def update_status(self, text):
self.status_label.configure(text=f"Status: {text}")
# ---------------- RUN ----------------
if __name__ == "__main__":
app = BankSMSDetector()
app.mainloop()
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