SMS Botnet 2024: Ethical Research & Cybersecurity

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What is an SMS Botnet?An SMS botnet is a network of compromised mobile devices controlled remotely to execute SMS-based attacks. The 2024 variants demonstrate alarming advancements:
 
Key Characteristics

• Carrier-grade persistence (survives factory resets)
  
• Zero-click infection (requires no user interaction)
  
• Dynamic C2 infrastructure (uses Telegram/SMS for commands)
  
• Multi-vector monetization (premium SMS fraud, credential theft)
  

Technical Features of SMS Botnet 20241. Advanced Infection Methods

• Exploiting RCS vulnerabilities 
  
• MMS-based payload delivery 
  
• SIM-jacking integration 
  
• Fake carrier updates
  

2. Botnet Control Mechanisms

• Decentralized C2 channels
  
• AI-driven targeting
  

3. Attack Capabilities

• Large-scale smishing campaigns
  • Bank credential phishing (posing as institutions)
    
  • 2FA interception (fake “verification code” requests)
    
• Premium SMS fraud
  • Silent subscription to paid services
    
  • $3-10 per message fraud (scales to millions)
    
• Location-based spam
  • Geo-fenced malicious messages near banks/retailers
    

4. Stealth and Evasion

• Baseband-level operation 
  
• Dynamic IMSI switching 
  
• EPDG tunneling
  
• Self-destruct mechanisms
  

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