Yobi vs Stairwell Variant Discovery: 2026 Comparison
Yobi is a free threat hunting tool. Stairwell Variant Discovery is a commercial threat hunting tool by Stairwell. Compare features, ratings, integrations, and community reviews side by side to find the best threat hunting fit for your security stack.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Threat hunters working small teams or solo will find Yobi useful for quick browser-based malware triage using Yara rules without infrastructure overhead. The free pricing and GitHub-native distribution mean you can deploy detection logic in seconds, and the Yara foundation lets you port existing detection logic across tools. Skip this if your organization needs centralized hunting infrastructure, tuning at scale, or integration with a larger security platform; Yobi is a standalone weapon for hunters who write their own rules.
Mid-market and enterprise threat hunters who need to move beyond hash-based detection will find real value in Stairwell Variant Discovery's structural analysis engine, which expands a single malware indicator into full family visibility without requiring YARA authoring. The tool's retroactive reanalysis across your entire historical file corpus means you can surface dormant variants the moment new threat intelligence arrives, directly strengthening your DE.AE and RS.AN capabilities. Skip this if your team lacks the analyst bandwidth to operationalize variant intelligence or if you need to pivot quickly to containment and eradication; Stairwell prioritizes discovery and forensics over automated response workflows.
