👁️ Spyware & Keyloggers

Learn how spyware secretly collects information and why stealth is often more dangerous than destruction.

🚨 Incident Report

A company’s financial department reports:

• Unauthorized account access
• Suspicious login attempts
• Missing credentials

No ransomware.

No system crashes.

No obvious malware.

The investigation eventually uncovers spyware silently collecting information for months.

📖 What Is Spyware?

Spyware is malware designed to monitor user activity and collect information without consent.

Observe
Collect
Remain Hidden

Unlike ransomware, spyware prioritizes secrecy over disruption.

🎯 Common Objectives

• Credential Theft
• Financial Information Collection
• User Monitoring
• Corporate Espionage
• Identity Theft
• Surveillance

⌨️ What Is A Keylogger?

A keylogger is a type of spyware that records keyboard activity.

Potential targets include:

• Usernames
• Passwords
• Search Queries
• Business Information

Keyloggers are one of the most commonly discussed spyware categories.

🔍 Common Spyware Types

• Keyloggers
• Password Stealers
• Browser Monitoring Tools
• Information Stealers
• Screen Capture Malware

Different spyware families focus on different information sources.

📨 Delivery Methods

• Phishing Emails
• Fake Software
• Malicious Attachments
• Bundled Applications
• Compromised Downloads

Spyware often arrives disguised as legitimate software.

⚠ Warning Signs

• Unexpected network activity
• Browser changes
• Unknown startup entries
• Credential compromise
• Suspicious processes

Many spyware infections generate few visible symptoms.

🛠 Investigator Toolkit

Common tools used during investigations:

• Process Explorer
• Autoruns
• TCPView
• Wireshark
• Sysmon
• Windows Event Viewer

Analysts focus on unusual processes, startup entries, and network communications.

🔎 Indicators Of Compromise

• Unknown outbound connections
• Unexpected account activity
• Unauthorized authentication attempts
• New startup programs
• Suspicious browser extensions

These indicators often trigger deeper investigations.

🛡 Defensive Strategies

• Multi-Factor Authentication
• Endpoint Protection
• Application Control
• User Awareness Training
• Network Monitoring
• Regular Security Reviews

Strong authentication significantly reduces the impact of credential theft.

⚔ Spyware vs Ransomware

🎓 CEH Exam Focus

• Spyware collects information secretly
• Keyloggers record keyboard activity
• Credential theft is a common objective
• Stealth is a primary characteristic
• MFA helps reduce impact

🏆 Key Lesson

The most dangerous malware isn’t always the loudest.

Sometimes the greatest threat is the one that remains unnoticed.

Silent Threats
Require Active Monitoring

🥷 Rootkits & Stealth Techniques

Learn how attackers attempt to hide malware, processes, files, and activity from users and security tools using stealth-focused techniques.