Training Course on Analyzing Malicious Documents

Course Title: Training Course on Analyzing Malicious Documents

Executive Summary

This two-week intensive training program equips participants with the knowledge and skills to effectively analyze malicious documents, a crucial aspect of cybersecurity and threat intelligence. Participants will learn to identify, dissect, and understand the anatomy of various malicious document types, including PDFs, Microsoft Office files, and others. The course covers static and dynamic analysis techniques, utilizing both open-source and commercial tools. Emphasis is placed on recognizing exploitation techniques, understanding malware behavior, and extracting valuable indicators of compromise (IOCs) for proactive threat mitigation. Through hands-on exercises and real-world case studies, attendees will develop the expertise to protect their organizations from document-borne cyberattacks and contribute to enhanced threat intelligence capabilities.

Introduction

In today’s threat landscape, malicious documents remain a significant attack vector for cybercriminals. These seemingly innocuous files are often weaponized with embedded malware, exploits, and social engineering tactics to compromise systems and steal sensitive data. The ability to effectively analyze these documents is critical for security professionals seeking to defend their organizations against evolving threats. This two-week training course provides a comprehensive approach to malicious document analysis, covering fundamental concepts, advanced techniques, and practical application. Participants will learn to identify suspicious characteristics, extract embedded objects, deobfuscate code, and understand the underlying malware functionality. The course blends theoretical knowledge with hands-on exercises, allowing attendees to apply their skills in a controlled environment. By the end of this program, participants will possess the expertise necessary to analyze malicious documents, identify indicators of compromise, and contribute to their organization’s overall security posture.

Course Outcomes

• Identify and classify various types of malicious documents.
• Perform static analysis to extract embedded objects and metadata.
• Utilize dynamic analysis techniques to observe document behavior in a controlled environment.
• Deobfuscate malicious code and understand exploitation techniques.
• Extract indicators of compromise (IOCs) for threat intelligence purposes.
• Utilize open-source and commercial tools for malicious document analysis.
• Develop effective strategies for mitigating document-borne cyberattacks.

Training Methodologies

• Interactive lectures and discussions.
• Hands-on lab exercises and case studies.
• Live demonstrations of analysis tools and techniques.
• Real-world malware sample analysis.
• Group projects and collaborative problem-solving.
• Guest lectures from industry experts.
• Practical simulations of incident response scenarios.

Benefits to Participants

• Enhanced skills in analyzing malicious documents and identifying threats.
• Improved ability to protect organizations from document-borne cyberattacks.
• Increased knowledge of malware behavior and exploitation techniques.
• Proficiency in using various analysis tools and techniques.
• Ability to extract IOCs for threat intelligence and incident response.
• Career advancement opportunities in cybersecurity and threat intelligence.
• Increased confidence in handling security incidents involving malicious documents.

Benefits to Sending Organization

• Reduced risk of successful cyberattacks through proactive threat detection.
• Improved incident response capabilities and faster remediation times.
• Enhanced threat intelligence gathering and analysis.
• Increased security awareness among employees.
• Better protection of sensitive data and intellectual property.
• Reduced financial losses associated with cyber incidents.
• Improved compliance with industry regulations and security standards.

Target Participants

• Security Analysts
• Incident Responders
• Malware Analysts
• Threat Intelligence Analysts
• System Administrators
• Network Engineers
• Cybersecurity Professionals

WEEK 1: Foundations of Malicious Document Analysis

Module 1: Introduction to Malicious Documents

1. Overview of document-based attacks and their impact.
2. Common types of malicious documents (PDF, Office, etc.).
3. Attack vectors and exploitation techniques.
4. The role of social engineering in document-based attacks.
5. Legal and ethical considerations in malware analysis.
6. Setting up a safe analysis environment (virtual machines, sandboxes).
7. Introduction to basic analysis tools and techniques.

Module 2: PDF Analysis

1. PDF file structure and components.
2. Identifying suspicious PDF features (JavaScript, embedded objects).
3. Tools for PDF analysis (pdfid, pdf-parser, peepdf).
4. Extracting and analyzing embedded JavaScript code.
5. Detecting and deobfuscating malicious JavaScript.
6. Exploitation techniques used in malicious PDFs.
7. Hands-on lab: Analyzing a malicious PDF sample.

Module 3: Microsoft Office Document Analysis

1. Office file formats (DOC, DOCX, XLS, XLSX, PPT, PPTX).
2. Understanding macros and their potential for abuse.
3. Analyzing VBA code and detecting malicious intent.
4. Tools for Office document analysis (olevba, OfficeMalScanner).
5. Exploitation techniques used in malicious Office documents.
6. Analyzing embedded objects and external references.
7. Hands-on lab: Analyzing a malicious Office document sample.

Module 4: Static Analysis Techniques

1. File hashing and malware identification.
2. String extraction and analysis.
3. Identifying embedded files and resources.
4. Metadata analysis and forensic investigation.
5. Using YARA rules for malware detection.
6. Detecting packing and obfuscation techniques.
7. Advanced static analysis tools and techniques.

Module 5: Introduction to Dynamic Analysis

1. Setting up a controlled dynamic analysis environment (sandbox).
2. Monitoring system activity (file system, registry, network).
3. Process monitoring and behavior analysis.
4. Analyzing API calls and function execution.
5. Detecting anti-analysis techniques.
6. Automated dynamic analysis tools (Cuckoo Sandbox).
7. Introduction to memory forensics.

WEEK 2: Advanced Analysis and Threat Intelligence

Module 6: Advanced Dynamic Analysis

1. Debugging malware and tracing execution flow.
2. Analyzing memory dumps for malicious code.
3. Detecting rootkits and kernel-level malware.
4. Bypassing anti-debugging techniques.
5. Advanced memory forensics tools and techniques.
6. Customizing and extending dynamic analysis environments.
7. Hands-on lab: Debugging a malicious document.

Module 7: Exploit Analysis

1. Understanding common exploit techniques.
2. Analyzing shellcode and identifying vulnerabilities.
3. Reverse engineering exploits and understanding their functionality.
4. Tools for exploit analysis (disassemblers, debuggers).
5. Detecting and mitigating exploit attempts.
6. Writing custom signatures for exploit detection.
7. Case study: Analyzing a recent document-based exploit.

Module 8: Malware Deobfuscation

1. Common obfuscation techniques used in malware.
2. Deobfuscating code using static and dynamic analysis.
3. Analyzing packed and compressed malware.
4. Using scripting languages for automated deobfuscation.
5. Advanced deobfuscation tools and techniques.
6. Identifying and removing anti-analysis techniques.
7. Hands-on lab: Deobfuscating a complex malicious document.

Module 9: Threat Intelligence and IOC Extraction

1. Introduction to threat intelligence and its importance.
2. Extracting indicators of compromise (IOCs) from malicious documents.
3. Types of IOCs (hashes, IP addresses, URLs, domain names).
4. Creating YARA rules for IOC detection.
5. Sharing and consuming threat intelligence feeds.
6. Using threat intelligence platforms (MISP).
7. Developing a threat intelligence program for your organization.

Module 10: Incident Response and Mitigation

1. Developing an incident response plan for document-based attacks.
2. Identifying and containing infected systems.
3. Remediating malware infections and restoring data.
4. Implementing security controls to prevent future attacks.
5. Training users to recognize and avoid phishing attacks.
6. Sharing information with law enforcement and CERTs.
7. Best practices for handling security incidents involving malicious documents.

Action Plan for Implementation

1. Implement a secure document handling policy within the organization.
2. Deploy endpoint detection and response (EDR) solutions.
3. Integrate threat intelligence feeds into security tools.
4. Conduct regular security awareness training for employees.
5. Establish a malware analysis sandbox environment.
6. Develop and maintain a library of YARA rules for malware detection.
7. Participate in information sharing communities to stay up-to-date on emerging threats.