# dynStruct vs Stairwell Variant Discovery: side-by-side comparison (2026)

[dynStruct](https://cybersectools.com/tools/dynstruct) is a free [malware analysis](https://cybersectools.com/categories/malware-analysis) solution. [Stairwell Variant Discovery](https://cybersectools.com/tools/stairwell-variant-discovery) is a commercial [malware analysis](https://cybersectools.com/categories/malware-analysis) solution by [Stairwell](https://cybersectools.com/companies/stairwell). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | dynStruct | Stairwell Variant Discovery |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Malware Analysis | Malware Analysis |
| Verified | No | No |
| Deployment type | On-Premises | Cloud |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| GitHub stars | 324 | – |
| Last commit | Aug 2019 | – |
| Company | – | Stairwell |
| Headquarters | – | – |

### Use cases and capabilities

| | dynStruct | Stairwell Variant Discovery |
|---|---|---|
| ELF | Yes | – |
| Binary Analysis | Yes | – |
| Memory Forensics | Yes | – |
| YARA | – | Yes |
| IOC | – | Yes |
| Cyber Threat Intelligence | – | Yes |

### Core features

**dynStruct**

No features listed.

**Stairwell Variant Discovery**

7 features listed. Sign in on the page to see them.

### Integrations

**dynStruct**

No integrations listed.

**Stairwell Variant Discovery**

9 integrations listed. Sign in on the page to see them.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [dynStruct](https://cybersectools.com/tools/dynstruct) fits if you need to run it on your own servers, you need a free product and you want an open-source product.
- [Stairwell Variant Discovery](https://cybersectools.com/tools/stairwell-variant-discovery) fits if you want a cloud product.

## dynStruct vs Stairwell Variant Discovery FAQ

Common questions when comparing dynStruct vs Stairwell Variant Discovery for malware analysis.

### What is the difference between dynStruct and Stairwell Variant Discovery?

**dynStruct**: DynStruct is a tool for monitoring memory accesses of an ELF binary and recovering structures of the original code.

**Stairwell Variant Discovery**: Expands a single malware hash into full family visibility via structural analysis. Built by Stairwell.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes dynStruct and Stairwell Variant Discovery?

**dynStruct** is open-source with 324 GitHub stars. **Stairwell Variant Discovery** is made by Stairwell. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is dynStruct a good alternative to Stairwell Variant Discovery?

Often, yes. dynStruct and Stairwell Variant Discovery are both Malware Analysis products. Key differences: dynStruct is Free while Stairwell Variant Discovery is Commercial, dynStruct is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [dynStruct vs Stairwell Analyze](https://cybersectools.com/compare/dynstruct-vs-stairwell-analyze)
- [dynStruct vs Threatray](https://cybersectools.com/compare/dynstruct-vs-threatray)
- [dynStruct vs Reverse Engineering & Malware Analysis](https://cybersectools.com/compare/dynstruct-vs-reverse-engineering-and-malware-analysis)
- [Stairwell Variant Discovery vs Stairwell Analyze](https://cybersectools.com/compare/stairwell-analyze-vs-stairwell-variant-discovery)
- [Stairwell Variant Discovery vs Threatray](https://cybersectools.com/compare/stairwell-variant-discovery-vs-threatray)
- [Stairwell Variant Discovery vs Reverse Engineering & Malware Analysis](https://cybersectools.com/compare/reverse-engineering-and-malware-analysis-vs-stairwell-variant-discovery)

## Alternatives to each

- [See all dynStruct alternatives](https://cybersectools.com/alternatives/dynstruct)
- [See all Stairwell Variant Discovery alternatives](https://cybersectools.com/alternatives/stairwell-variant-discovery)

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Source: https://cybersectools.com/compare/dynstruct-vs-stairwell-variant-discovery

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More on dynStruct and Stairwell Variant Discovery: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md