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12 lessons · Reversing

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L3Reverse engineeringStep 215–22612 lessons

215 Ghidra In Depth: Function Analysis and Struct Recovery — Turning Machine-Made Names into Human LanguageRename functions (L) and edit signatures (Edit Function Signature) in Ghidra Level 3Reversing5 hours
216 x64dbg In Depth: Memory Breakpoints and Patching — Surgery on a Running ProgramPerform the routine of reverse-tracing comparison code via string search in x64dbg Level 3Reversing5 hours
217 10 crackmes (Easy Difficulty) — Building the Speed to Recognize PatternsDistinguish the three types of easy crackmes (direct comparison / transformed comparison / per-character branc… Level 3Reversing6 hours
218 10 crackmes (Medium Difficulty) — Reading Relations, Opening Gates One by OneDistinguish the three hallmarks of medium difficulty (relational verification, multi-stage checks, runtime-dep… Level 3Reversing8 hours
219 Anti-Debugging Techniques and Bypasses — Programs That Dodge Debuggers, and How to Break ThroughExplain what anti-debugging is and why it's used Level 3Reversing4 hours
220 Packing and Unpacking — UPX and Finding the OEPExplain the structure of a packer — a compressed payload plus an unpacking stub Level 3Reversing4 hours
221 Keygen — Serial Algorithm Analysis and Writing a GeneratorExplain the standard structure of a serial verification program (input → transform → compare) Level 3Reversing6 hours
222 Reversing .NET and Python Binaries — Binaries That Aren't Machine CodeExplain and identify the differences between native / .NET / Python binaries Level 3Reversing3 hours
223 A First Taste of Android APK Analysis — jadxExplain an APK's internal structure (AndroidManifest.xml, classes.dex, resources) Level 3Reversing3 hours
224 Strategies for Analyzing Obfuscated Code — Read It Head-On and You LoseDistinguish the three types of obfuscation (name destruction, string encryption, control-flow flattening) Level 3Reversing4 hours
225 Static Malware Analysis (Isolated Lab Required) — Reading the Insides Without Running ItExplain the three rules of an isolated lab (network isolation, snapshots, dedicated environment) together with… Level 3Reversing5 hours
226 ★ Mid-Check: Independently Dissecting a Medium-Difficulty crackme — No Solutions, All the WaySelect a crackme that makes for a fair test (difficulty, architecture, solution-count criteria) Level 3Reversing8–12 hours (spread over several days)