How to Prepare for a Ransomware Attack: A Hands-On Guide

Ransomware attacks are no longer a distant threat—they are a harsh reality for organizations worldwide. The key to survival lies in rapid recovery and preparedness. Below is a detailed guide on ransomware defense, detection, and recovery, including practical commands and steps.

You Should Know: Essential Ransomware Defense & Recovery Steps

1. Detection & Monitoring

Use these commands to detect suspicious activity:

• Linux:

  Check for unusual file modifications 
  find / -type f -mtime -1 -exec ls -la {} \;
  
  Monitor network connections 
  netstat -tulnp | grep -E '(ssh|rdp|vnc)'
  
  Check for ransomware-related processes 
  ps aux | grep -E '(crypt|encrypt|locker|wannacry)' 
  

• Windows (PowerShell):

  Check for abnormal file encryption 
  Get-ChildItem -Path C:\ -Recurse | Where-Object { $_.Extension -eq ".encrypted" }
  
  Monitor RDP connections 
  Get-NetTCPConnection -State Established | Where-Object { $_.RemotePort -eq 3389 }
  
  Detect suspicious services 
  Get-Service | Where-Object { $_.DisplayName -match "crypt" } 
  

2. Incident Response & Recovery

• Isolate Infected Systems:

  Linux: Block suspicious IPs 
  iptables -A INPUT -s <MALICIOUS_IP> -j DROP
  
  Windows: Disable network adapter 
  Disable-NetAdapter -Name "Ethernet" -Confirm:$false 
  

• Restore from Backup (Linux):

  Verify backup integrity 
  sha256sum /backup/important_files.tar.gz
  
  Restore files 
  tar -xzvf /backup/important_files.tar.gz -C / 
  

• Windows System Restore:

  List restore points 
  vssadmin list shadows
  
  Recover files from shadow copy 
  robocopy "\?\GLOBALROOT\Device\HarddiskVolumeShadowCopy1\C\Users" "C:\Restored" /mir 
  

3. Prevent Future Attacks

• Patch Management (Linux):

  sudo apt update && sudo apt upgrade -y 
  

• Disable RDP if Unused (Windows):

  Set-ItemProperty -Path "HKLM:\System\CurrentControlSet\Control\Terminal Server" -Name "fDenyTSConnections" -Value 1 
  

What Undercode Say

Ransomware is evolving, and reactive measures are no longer enough. Organizations must adopt proactive strategies, including:
– Regular offline backups (3-2-1 rule).
– Network segmentation to limit lateral movement.
– Employee training to prevent phishing attacks.
– Automated threat detection using SIEM tools like Splunk or ELK Stack.

Prediction

Ransomware will increasingly target cloud environments and critical infrastructure in 2025-2026, with AI-driven attacks becoming more prevalent.

Expected Output:

A well-prepared organization with automated backups, real-time monitoring, and an incident response plan can recover from ransomware within hours, not days.

Relevant URL:

• Druva Ransomware Fire Drill Workshop (June 11, 2025)

(End of )

IT/Security Reporter URL:

Reported By: Trilokdhaked Web – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅

Join Our Cyber World:

💬 Whatsapp | 💬 Telegram