Does it work with any decompiled C file?

The skill is currently optimized to parse the metadata and directory structure generated by the IDA-NO-MCP plugin for IDA Pro.

Is the recovered structure guaranteed to be accurate?

The skill provides a 'Confidence Level' based on the depth of analysis; while highly accurate, results should be verified against the binary for edge cases.

How does the skill infer specific variable types?

It identifies patterns such as calls to string functions (identifying char*), pointer dereferencing (identifying structs), and arithmetic operations (identifying counters or flags).

Can it handle nested structures and C++ vtables?

Yes, it specifically looks for multi-level pointer access and offset 0 function pointer tables to identify nested structs and C++ object hierarchies.

What prerequisites are needed to use rev-struct?

You must first export decompiled data from IDA Pro using the IDA-NO-MCP plugin and open the resulting export directory with Claude Code.

Binary Structure Recovery

Name: Binary Structure Recovery
Author: P4nda0s

byP4nda0s

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Seguridad y Pruebas

Reconstructs C data structure definitions by analyzing memory access patterns and function call chains in decompiled code.

Rev-Struct is a specialized reverse-engineering utility that automates the reconstruction of complex data structures from binary files. By parsing decompiled C code exported from IDA Pro, the skill analyzes memory offsets, pointer arithmetic, and cross-functional access patterns to intelligently infer field types, sizes, and relationships. It is particularly effective for recovering C++ objects, linked lists, and nested structs, providing security researchers and developers with high-confidence C-compatible definitions that bridge the gap between raw decompilation and readable code.

Características Principales

01Intelligent field type inference for vtables, strings, enums, and counters

02Generates structured C-style definitions with estimated sizes and confidence levels

03Deep-dive analysis of both caller and callee context for structural validation

0472 GitHub stars

05Automated memory access pattern analysis across function call chains

06Seamless integration with IDA-NO-MCP plugin exported metadata

Casos de Uso

01Documenting undocumented internal APIs or proprietary protocols through binary analysis

02Reconstructing complex C++ objects or C structs from stripped or obfuscated binaries

03Identifying hidden fields and data relationships during vulnerability research and security audits

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add p4nda0s/reverse-skills rev-struct

For use in Claude.ai and ChatGPT

Download Skill