Reverse Engineering and Malware Analysis
Reverse Engineering and Malware Analysis
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Topic 5.2 of In-Depth Malware Analysis
The OEP concept, the ESP hardware breakpoint technique step-by-step in x32dbg, alternative breakpoint strategies, Scylla IAT rebuild workflow, dump verification, and common unpacking failures with fixes.
By the end of this topic, you will
Quadrant 1 · e-Tutorial
EZ Bytes · quick recaps
ESP Breakpoint. Tail Jump. OEP Found. | Unpacking Malware with a Debugger
82s
Video lessons
Quadrant 2 · e-Content
Quadrant 3 · Web Resources
Downloadable reference material
External links
Scylla — IAT Reconstruction Plugin for x64dbg
Scylla is bundled with x64dbg. Access via Plugins menu. Essential for IAT reconstruction after manual unpacking.
OpenRCE — Unpacking Tutorials Archive
Classic OpenRCE article on manual unpacking methodology. Covers ESP breakpoint technique with screenshots.
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.
Quadrant 5 · Play
Ungraded practice for Unpacking with a Debugger: games and hands-on Skill Labs that use this topic, plus the crossword for In-Depth Malware Analysis. It never affects your unit assessment, and clearing a game or lab for the first time earns EZ Board points when you are signed in.
Lab
Packed and Unpacked: Defeat a Packer
13 tasks from this unit. Free to play. Earn 30 EZ Board points on your first clear.
Crossword
In-Depth Malware Analysis
9 key terms from this unit. Free to play.
Race
Unpack Underpass
6 checkpoints from this unit. Free to play. Earn 30 EZ Board points on your first clear.
Discussion · 0 comments
This is the discussion thread for the lesson "Unpacking with a Debugger" (Reverse Engineering and Malware Analysis, Unit 5). Ask questions, share real-world examples, and help classmates who are stuck. Conversation starters. Try explaining one of these in your own words: - Explain why PUSHAD/POPAD enables the ESP hardware breakpoint technique - Apply the ten-step ESP breakpoint procedure in x32dbg to reach the OEP - Recognise the OEP by the standard compiler prologue pattern
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Open in forumREMA eBook 2026 — Chapter 5, Manual Unpacking
Full ESP breakpoint procedure and Scylla workflow in the REMA eBook Chapter 5.