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Topic 5.1 of In-Depth Malware Analysis
How packers work, the four structural indicators of packing, packer identification with Detect-It-Easy, common packer families from UPX to VMProtect, and when high entropy alone is insufficient evidence.
By the end of this topic, you will
Quadrant 1 · e-Tutorial
Quadrant 2 · e-Content
Quadrant 3 · Web Resources
Downloadable reference material
External links
Detect-It-Easy (DIE) — Packer Identifier
Free tool that identifies packers, compilers, and protectors by signature matching with entropy graphs per section.
UPX — Official Download and Documentation
Official UPX packer. Download to unpack UPX-compressed samples with upx -d. Understand the format before manual unpacking.
REMA eBook 2026 — Chapter 5, Packed Malware
Full packed PE structure diagram and packer family comparison table in the REMA eBook Chapter 5.
Quadrant 4 · Self-Assessment
In-Depth Malware Analysis
Covers packed malware, manual unpacking, obfuscated PowerShell, fileless malware, code injection, API hooking, memory forensics with Volatility, sandbox analysis, and network signatures.
REMA Complete Assessment
A comprehensive 120-question assessment covering the entire Reverse Engineering and Malware Analysis curriculum: malware taxonomy and reverse engineering fundamentals, static and dynamic analysis, reversing malicious code, malicious web and document files, in-depth analysis of packed and fileless malware, and self-defending malware techniques.
