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Favicon Behavior

Favicon fingerprints: icon hash stability and rotation, brand match, and the reputation of the domain hosting the icon. Each fires with named evidence and a 3-question analyst Q&A trail.

About

What Favicon Behavior captures

Favicon fingerprints: icon hash stability and rotation, brand match, and the reputation of the domain hosting the icon. Tier-1 SOC analysts use them to cut triage time on suspicious http crawling history behavior; CTI teams pivot from them to the broader campaign graph.

Verdict scenarios

How Favicon Behavior shapes the call

Three real-world situations where Favicon Behavior evidence dominates the decision. Verdict and explanation are how VerdictIQ would frame the outcome to an analyst, not raw signal slugs.

High riskVERDICT · BLOCK
The situation

A login page showing a bank's favicon, served from a domain registered last week, with the icon hash rotated three times in ten days.

VerdictIQ explains

“Decline. The icon borrows a brand the page does not belong to, and the rotation is the kind a kit uses to dodge hash matching.”

Medium riskVERDICT · REVIEW
The situation

A site whose favicon URL is missing or fails to load, with a page that otherwise looks like a finished product.

VerdictIQ explains

“Send to analyst review. A broken icon on a polished page is a soft tell of a rushed clone; confirm the operator before trusting it.”

Low riskVERDICT · ALLOW
The situation

A site with a single favicon hash unchanged for months, hosted on its own domain or a mainstream CDN, matching the service it presents.

VerdictIQ explains

“Allow. The icon is stable and consistent with the property. No favicon reason to delay.”

Sibling subgroups

Other subgroups in HTTP Crawling History

6 more subgroups in this group, each bundling signals that share a different mechanism. Tap one to inspect its signal names.

See subgroup detail
See subgroup detail
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See Favicon Behavior signals fire on your data

Free tier: 1,000 verdicts/month, LLM layer included.